Update

2019-03-04 09:15:44 +01:00 · 2019-03-04 09:15:44 +01:00 · ed677c34d5
commit ed677c34d5
parent c161994e96
45 changed files with 1575 additions and 705 deletions
--- a/README.md
+++ b/README.md
@ -94,7 +94,7 @@ If you need full functionality of any plugin, please use it directly with your p
 - [jst](https://github.com/briancollins/vim-jst) (syntax, indent)
 - [jsx](https://github.com/mxw/vim-jsx) (after)
 - [julia](https://github.com/JuliaEditorSupport/julia-vim) (syntax, indent, autoload, ftplugin)
- [kotlin](https://github.com/udalov/kotlin-vim) (syntax, indent)
+- [kotlin](https://github.com/udalov/kotlin-vim) (syntax, indent, ftplugin)
 - [latex](https://github.com/LaTeX-Box-Team/LaTeX-Box) (syntax, indent, ftplugin)
 - [less](https://github.com/groenewege/vim-less) (syntax, indent, ftplugin)
 - [liquid](https://github.com/tpope/vim-liquid) (syntax, indent, ftplugin)
--- a/after/syntax/yaml.vim
+++ b/after/syntax/yaml.vim
@ -27,7 +27,7 @@ syn match yamlBlock "[>|]\d\?[+-]"
 syn region yamlComment	start="\#" end="$"
 syn match yamlIndicator	"#YAML:\S\+"

-syn region yamlString	start="\(^\|\s\|\[\|\,\|\-\)'" end="'" skip="\\'"
+syn region yamlString	start="\(^\|\s\|\[\|\,\|\-\)\@<='" end="'" skip="\\'"
 syn region yamlString	start='"' end='"' skip='\\"' contains=yamlEscape
 syn region yamlString	matchgroup=yamlBlock start=/[>|]\s*\n\+\z(\s\+\)\S/rs=s+1 skip=/^\%(\z1\S\|^$\)/ end=/^\z1\@!.*/me=s-1
 syn region yamlString	matchgroup=yamlBlock start=/[>|]\(\d\|[+-]\)\s*\n\+\z(\s\+\)\S/rs=s+2 skip=/^\%(\z1\S\|^$\)/ end=/^\z1\@!.*/me=s-1
--- a/autoload/RstFold.vim
+++ b/autoload/RstFold.vim
@ -2,9 +2,13 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'rst') == -1
  
 " Author: Antony Lee <anntzer.lee@gmail.com>
 " Description: Helper functions for reStructuredText syntax folding
-" Last Modified: 2018-01-07
+" Last Modified: 2018-12-29

 function s:CacheRstFold()
+  if !g:rst_fold_enabled
+    return
+  endif
+
  let closure = {'header_types': {}, 'max_level': 0, 'levels': {}}
  function closure.Process(match) dict
    let curline = getcurpos()[1]
@ -30,6 +34,10 @@ function s:CacheRstFold()
 endfunction

 function RstFold#GetRstFold()
+  if !g:rst_fold_enabled
+    return
+  endif
+
  if !has_key(b:, 'RstFoldCache')
    call s:CacheRstFold()
  endif
@ -41,6 +49,10 @@ function RstFold#GetRstFold()
 endfunction

 function RstFold#GetRstFoldText()
+  if !g:rst_fold_enabled
+    return
+  endif
+
  if !has_key(b:, 'RstFoldCache')
    call s:CacheRstFold()
  endif
--- a/autoload/elixir/indent.vim
+++ b/autoload/elixir/indent.vim
@ -267,7 +267,7 @@ function! elixir#indent#handle_inside_block(context)
    let config = {
          \'f': {'aligned_clauses': s:keyword('end'), 'pattern_match_clauses': never_match},
          \'c': {'aligned_clauses': s:keyword('end'), 'pattern_match_clauses': never_match},
-          \'t': {'aligned_clauses': s:keyword('end\|catch\|rescue\|after'), 'pattern_match_clauses': s:keyword('catch\|rescue')},
+          \'t': {'aligned_clauses': s:keyword('end\|catch\|rescue\|after\|else'), 'pattern_match_clauses': s:keyword('catch\|rescue\|else')},
          \'r': {'aligned_clauses': s:keyword('end\|after'), 'pattern_match_clauses': s:keyword('after')},
          \'i': {'aligned_clauses': s:keyword('end\|else'), 'pattern_match_clauses': never_match},
          \'[': {'aligned_clauses': ']', 'pattern_match_clauses': never_match},
--- a/autoload/go/config.vim
+++ b/autoload/go/config.vim
@ -390,8 +390,9 @@ function! go#config#HighlightFunctions() abort
  return get(g:, 'go_highlight_functions', 0)
 endfunction

-function! go#config#HighlightFunctionArguments() abort
-  return get(g:, 'go_highlight_function_arguments', 0)
+function! go#config#HighlightFunctionParameters() abort
+  " fallback to highlight_function_arguments for backwards compatibility
+  return get(g:, 'go_highlight_function_parameters', get(g:, 'go_highlight_function_arguments', 0))
 endfunction

 function! go#config#HighlightFunctionCalls() abort
@ -441,6 +442,11 @@ function! go#config#FoldEnable(...) abort
  return get(g:, 'go_fold_enable', ['block', 'import', 'varconst', 'package_comment'])
 endfunction

+function! go#config#EchoGoInfo() abort
+  return get(g:, "go_echo_go_info", 1)
+endfunction
+
+
 " Set the default value. A value of "1" is a shortcut for this, for
 " compatibility reasons.
 if exists("g:go_gorename_prefill") && g:go_gorename_prefill == 1
--- a/autoload/rubycomplete.vim
+++ b/autoload/rubycomplete.vim
@ -1,11 +1,10 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'ruby') == -1
  
 " Vim completion script
-" Language:             Ruby
-" Maintainer:           Mark Guzman <segfault@hasno.info>
-" URL:                  https://github.com/vim-ruby/vim-ruby
-" Release Coordinator:  Doug Kearns <dougkearns@gmail.com>
-" Maintainer Version:   0.8.1
+" Language:		Ruby
+" Maintainer:		Mark Guzman <segfault@hasno.info>
+" URL:			https://github.com/vim-ruby/vim-ruby
+" Release Coordinator:	Doug Kearns <dougkearns@gmail.com>
 " ----------------------------------------------------------------------------
 "
 " Ruby IRB/Complete author: Keiju ISHITSUKA(keiju@ishitsuka.com)
@ -55,6 +54,23 @@ if !exists("g:rubycomplete_include_objectspace")
 endif
 " }}} configuration failsafe initialization

+" {{{ regex patterns
+
+" Regex that defines the start-match for the 'end' keyword.
+let s:end_start_regex =
+      \ '\C\%(^\s*\|[=,*/%+\-|;{]\|<<\|>>\|:\s\)\s*\zs' .
+      \ '\<\%(module\|class\|if\|for\|while\|until\|case\|unless\|begin' .
+      \   '\|\%(\K\k*[!?]\?\s\+\)\=def\):\@!\>' .
+      \ '\|\%(^\|[^.:@$]\)\@<=\<do:\@!\>'
+
+" Regex that defines the middle-match for the 'end' keyword.
+let s:end_middle_regex = '\<\%(ensure\|else\|\%(\%(^\|;\)\s*\)\@<=\<rescue:\@!\>\|when\|elsif\):\@!\>'
+
+" Regex that defines the end-match for the 'end' keyword.
+let s:end_end_regex = '\%(^\|[^.:@$]\)\@<=\<end:\@!\>'
+
+" }}} regex patterns
+
 " {{{ vim-side support functions
 let s:rubycomplete_debug = 0

@ -105,7 +121,7 @@ function! s:GetBufferRubyEntity( name, type, ... )
    endif

    let curpos = getpos(".")
-    let [enum,ecol] = searchpairpos( crex, '', '\(end\|}\)', 'W' )
+    let [enum,ecol] = searchpairpos( s:end_start_regex, s:end_middle_regex, s:end_end_regex, 'W' )
    call cursor(lastpos[1], lastpos[2])

    if lnum > enum
@ -130,19 +146,28 @@ function! s:IsPosInClassDef(pos)
    return ret
 endfunction

+function! s:IsInComment(pos)
+    let stack = synstack(a:pos[0], a:pos[1])
+    if !empty(stack)
+        return synIDattr(stack[0], 'name') =~ 'ruby\%(.*Comment\|Documentation\)'
+    else
+        return 0
+    endif
+endfunction
+
 function! s:GetRubyVarType(v)
    let stopline = 1
    let vtp = ''
-    let pos = getpos('.')
+    let curpos = getpos('.')
    let sstr = '^\s*#\s*@var\s*'.escape(a:v, '*').'\>\s\+[^ \t]\+\s*$'
    let [lnum,lcol] = searchpos(sstr,'nb',stopline)
    if lnum != 0 && lcol != 0
-        call setpos('.',pos)
+        call setpos('.',curpos)
        let str = getline(lnum)
        let vtp = substitute(str,sstr,'\1','')
        return vtp
    endif
-    call setpos('.',pos)
+    call setpos('.',curpos)
    let ctors = '\(now\|new\|open\|get_instance'
    if exists('g:rubycomplete_rails') && g:rubycomplete_rails == 1 && s:rubycomplete_rails_loaded == 1
        let ctors = ctors.'\|find\|create'
@ -152,9 +177,13 @@ function! s:GetRubyVarType(v)

    let fstr = '=\s*\([^ \t]\+.' . ctors .'\>\|[\[{"''/]\|%[xwQqr][(\[{@]\|[A-Za-z0-9@:\-()\.]\+...\?\|lambda\|&\)'
    let sstr = ''.escape(a:v, '*').'\>\s*[+\-*/]*'.fstr
-    let [lnum,lcol] = searchpos(sstr,'nb',stopline)
-    if lnum != 0 && lcol != 0
-        let str = matchstr(getline(lnum),fstr,lcol)
+    let pos = searchpos(sstr,'bW')
+    while pos != [0,0] && s:IsInComment(pos)
+        let pos = searchpos(sstr,'bW')
+    endwhile
+    if pos != [0,0]
+        let [lnum, col] = pos
+        let str = matchstr(getline(lnum),fstr,col)
        let str = substitute(str,'^=\s*','','')

        call setpos('.',pos)
@ -176,7 +205,7 @@ function! s:GetRubyVarType(v)
        end
        return ''
    endif
-    call setpos('.',pos)
+    call setpos('.',curpos)
    return ''
 endfunction

@ -673,11 +702,10 @@ class VimRubyCompletion
          methods.delete_if { |c| c.match( /'/ ) }
        end

-      when /^::([A-Z][^:\.\(]*)$/ # Absolute Constant or class methods
+      when /^::([A-Z][^:\.\(]*)?$/ # Absolute Constant or class methods
        dprint "const or cls"
        receiver = $1
-        methods = Object.constants
-        methods.grep(/^#{receiver}/).collect{|e| "::" + e}
+        methods = Object.constants.collect{ |c| c.to_s }.grep(/^#{receiver}/)

      when /^(((::)?[A-Z][^:.\(]*)+?)::?([^:.]*)$/ # Constant or class methods
        receiver = $1
@ -686,13 +714,13 @@ class VimRubyCompletion
        load_buffer_class( receiver )
        load_buffer_module( receiver )
        begin
-          classes = eval("#{receiver}.constants")
-          #methods = eval("#{receiver}.methods")
+          constants = eval("#{receiver}.constants").collect{ |c| c.to_s }.grep(/^#{message}/)
+          methods = eval("#{receiver}.methods").collect{ |m| m.to_s }.grep(/^#{message}/)
        rescue Exception
          dprint "exception: %s" % $!
+          constants = []
          methods = []
        end
-        methods.grep(/^#{message}/).collect{|e| receiver + "::" + e}

      when /^(:[^:.]+)\.([^.]*)$/ # Symbol
        dprint "symbol"
--- a/autoload/rust.vim
+++ b/autoload/rust.vim
@ -5,8 +5,6 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'rust') == -1
 " Last Modified: May 27, 2014
 " For bugs, patches and license go to https://github.com/rust-lang/rust.vim

-" Jump {{{1
-
 function! rust#Load()
    " Utility call to get this script loaded, for debugging
 endfunction
@ -22,6 +20,44 @@ function! rust#GetConfigVar(name, default)
    return a:default
 endfunction

+" Include expression {{{1
+
+function! rust#IncludeExpr(fname) abort
+    " Remove leading 'crate::' to deal with 2018 edition style 'use'
+    " statements
+    let l:fname = substitute(a:fname, '^crate::', '', '')
+
+    " Remove trailing colons arising from lines like
+    "
+    "     use foo::{Bar, Baz};
+    let l:fname = substitute(l:fname, ':\+$', '', '')
+
+    " Replace '::' with '/'
+    let l:fname = substitute(l:fname, '::', '/', 'g')
+
+    " When we have
+    "
+    "    use foo::bar::baz;
+    "
+    " we can't tell whether baz is a module or a function; and we can't tell
+    " which modules correspond to files.
+    "
+    " So we work our way up, trying
+    "
+    "     foo/bar/baz.rs
+    "     foo/bar.rs
+    "     foo.rs
+    while l:fname !=# '.'
+        let l:path = findfile(l:fname)
+        if !empty(l:path)
+            return l:fname
+        endif
+        let l:fname = fnamemodify(l:fname, ':h')
+    endwhile
+    return l:fname
+endfunction
+
+" Jump {{{1

 function! rust#Jump(mode, function) range
    let cnt = v:count1
@ -487,14 +523,6 @@ function! rust#Test(all, options) abort
        return
    endif

-    let mod_name = expand('%:t:r')
-    if mod_name ==# ''
-        echohl ErrorMsg
-        echo 'Cannot extract a module name from file name. Please add ! to command if you want to run all tests'
-        echohl None
-        return
-    endif
-
    let saved = getpos('.')
    try
        let func_name = s:SearchTestFunctionNameUnderCursor()
@ -504,11 +532,10 @@ function! rust#Test(all, options) abort
            echohl None
            return
        endif
-        let spec = mod_name . '::' . func_name
        if a:options ==# ''
-            execute cmd . 'cargo test --manifest-path' manifest spec
+            execute cmd . 'cargo test --manifest-path' manifest func_name
        else
-            execute cmd . 'cargo test --manifest-path' manifest spec a:options
+            execute cmd . 'cargo test --manifest-path' manifest func_name a:options
        endif
        return
    finally
--- a/compiler/ruby.vim
+++ b/compiler/ruby.vim
@ -6,7 +6,6 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'ruby') == -1
 " Maintainer:		Tim Pope <vimNOSPAM@tpope.org>
 " URL:			https://github.com/vim-ruby/vim-ruby
 " Release Coordinator:	Doug Kearns <dougkearns@gmail.com>
-" ----------------------------------------------------------------------------

 if exists("current_compiler")
  finish
--- a/compiler/sbt.vim
+++ b/compiler/sbt.vim
@ -22,8 +22,8 @@ set cpo-=C
 CompilerSet makeprg=sbt\ -Dsbt.log.noformat=true\ compile

 CompilerSet errorformat=
-      \%E\ %#[error]\ %f:%l:\ %m,%C\ %#[error]\ %p^,%-C%.%#,%Z,
-      \%W\ %#[warn]\ %f:%l:\ %m,%C\ %#[warn]\ %p^,%-C%.%#,%Z,
+      \%E\ %#[error]\ %f:%l:%c:\ %m,%C\ %#[error]\ %p^,%-C%.%#,%Z,
+      \%W\ %#[warn]\ %f:%l:%c:\ %m,%C\ %#[warn]\ %p^,%-C%.%#,%Z,
      \%-G%.%#

 let &cpo = s:cpo_save
--- a/extras/flow.vim
+++ b/extras/flow.vim
@ -5,13 +5,14 @@ syntax region  jsFlowArgumentDef    contained                        start=/:/
 syntax region  jsFlowArray          contained matchgroup=jsFlowNoise start=/\[/   end=/\]/        contains=@jsFlowCluster,jsComment fold
 syntax region  jsFlowObject         contained matchgroup=jsFlowNoise start=/{/    end=/}/         contains=@jsFlowCluster,jsComment fold
 syntax region  jsFlowExactObject    contained matchgroup=jsFlowNoise start=/{|/   end=/|}/       contains=@jsFlowCluster,jsComment fold
-syntax region  jsFlowParens         contained matchgroup=jsFlowNoise start=/(/  end=/)/ contains=@jsFlowCluster keepend fold
+syntax region  jsFlowParens         contained matchgroup=jsFlowNoise start=/(/  end=/)/ contains=@jsFlowCluster nextgroup=jsFlowArrow skipwhite keepend extend fold
 syntax match   jsFlowNoise          contained /[:;,<>]/
 syntax keyword jsFlowType           contained boolean number string null void any mixed JSON array Function object array bool class
-syntax keyword jsFlowTypeof         contained typeof skipempty skipempty nextgroup=jsFlowTypeCustom,jsFlowType
-syntax match   jsFlowTypeCustom     contained /[0-9a-zA-Z_.]*/ skipwhite skipempty nextgroup=jsFlowGroup
-syntax region  jsFlowGroup          contained matchgroup=jsFlowNoise start=/</ end=/>/ contains=@jsFlowCluster
-syntax region  jsFlowArrowArguments contained matchgroup=jsFlowNoise start=/(/  end=/)\%(\s*=>\)\@=/ oneline skipwhite skipempty nextgroup=jsFlowArrow contains=@jsFlowCluster
+syntax keyword jsFlowTypeof         contained typeof skipempty skipwhite nextgroup=jsFlowTypeCustom,jsFlowType
+syntax match   jsFlowTypeCustom     contained /[0-9a-zA-Z_.]*/ skipwhite skipempty nextgroup=jsFlowGeneric
+syntax region  jsFlowGeneric                  matchgroup=jsFlowNoise start=/\k\@<=</ end=/>/ contains=@jsFlowCluster containedin=@jsExpression,jsFlowDeclareBlock
+syntax region  jsFlowGeneric        contained matchgroup=jsFlowNoise start=/</ end=/>(\@=/ oneline contains=@jsFlowCluster containedin=@jsExpression,jsFlowDeclareBlock
+syntax region  jsFlowObjectGeneric  contained matchgroup=jsFlowNoise start=/\k\@<=</ end=/>/ contains=@jsFlowCluster nextgroup=jsFuncArgs
 syntax match   jsFlowArrow          contained /=>/ skipwhite skipempty nextgroup=jsFlowType,jsFlowTypeCustom,jsFlowParens
 syntax match   jsFlowObjectKey      contained /[0-9a-zA-Z_$?]*\(\s*:\)\@=/ contains=jsFunctionKey,jsFlowMaybe skipwhite skipempty nextgroup=jsObjectValue containedin=jsObject
 syntax match   jsFlowOrOperator     contained /|/ skipwhite skipempty nextgroup=@jsFlowCluster
@ -19,7 +20,7 @@ syntax keyword jsFlowImportType     contained type typeof skipwhite skipempty ne
 syntax match   jsFlowWildcard       contained /*/

 syntax match   jsFlowReturn         contained /:\s*/ contains=jsFlowNoise skipwhite skipempty nextgroup=@jsFlowReturnCluster,jsFlowArrow,jsFlowReturnParens
-syntax region  jsFlowReturnObject   contained matchgroup=jsFlowNoise start=/{/    end=/}/  contains=@jsFlowCluster skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturnOrOp fold
+syntax region  jsFlowReturnObject   contained matchgroup=jsFlowNoise start=/{/    end=/}/  contains=@jsFlowCluster skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturnOrOp extend fold
 syntax region  jsFlowReturnArray    contained matchgroup=jsFlowNoise start=/\[/   end=/\]/ contains=@jsFlowCluster skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturnOrOp fold
 syntax region  jsFlowReturnParens   contained matchgroup=jsFlowNoise start=/(/    end=/)/  contains=@jsFlowCluster skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturnOrOp,jsFlowReturnArrow fold
 syntax match   jsFlowReturnArrow    contained /=>/ skipwhite skipempty nextgroup=@jsFlowReturnCluster
@ -28,13 +29,15 @@ syntax match   jsFlowReturnMaybe    contained /?/ skipwhite skipempty nextgroup=
 syntax region  jsFlowReturnGroup    contained matchgroup=jsFlowNoise start=/</ end=/>/ contains=@jsFlowCluster skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturnOrOp
 syntax match   jsFlowReturnOrOp     contained /\s*|\s*/ skipwhite skipempty nextgroup=@jsFlowReturnCluster
 syntax match   jsFlowWildcardReturn contained /*/ skipwhite skipempty nextgroup=jsFuncBlock
+syntax keyword jsFlowTypeofReturn   contained typeof skipempty skipwhite nextgroup=@jsFlowReturnCluster

 syntax region  jsFlowFunctionGroup      contained matchgroup=jsFlowNoise start=/</ end=/>/ contains=@jsFlowCluster skipwhite skipempty nextgroup=jsFuncArgs
 syntax region  jsFlowClassGroup         contained matchgroup=jsFlowNoise start=/</ end=/>/ contains=@jsFlowCluster skipwhite skipempty nextgroup=jsClassBlock
 syntax region  jsFlowClassFunctionGroup contained matchgroup=jsFlowNoise start=/</ end=/>/ contains=@jsFlowCluster skipwhite skipempty nextgroup=jsFuncArgs
+syntax match   jsFlowObjectFuncName contained /\<\K\k*<\@=/ skipwhite skipempty nextgroup=jsFlowObjectGeneric containedin=jsObject

 syntax region  jsFlowTypeStatement                                   start=/\(opaque\s\+\)\?type\%(\s\+\k\)\@=/    end=/=\@=/ contains=jsFlowTypeOperator oneline skipwhite skipempty nextgroup=jsFlowTypeValue keepend
-syntax region  jsFlowTypeValue      contained     matchgroup=jsFlowNoise start=/=/       end=/[\n;]/ contains=@jsFlowCluster,jsFlowGroup,jsFlowMaybe
+syntax region  jsFlowTypeValue      contained     matchgroup=jsFlowNoise start=/=/ end=/\%(;\|\n\%(\s*|\)\@!\)/ contains=@jsFlowCluster,jsFlowGeneric,jsFlowMaybe
 syntax match   jsFlowTypeOperator   contained /=/ containedin=jsFlowTypeValue
 syntax match   jsFlowTypeOperator   contained /=/
 syntax keyword jsFlowTypeKeyword    contained type
@ -43,20 +46,17 @@ syntax keyword jsFlowDeclare                  declare skipwhite skipempty nextgr
 syntax match   jsFlowClassProperty  contained /\<[0-9a-zA-Z_$]*\>:\@=/ skipwhite skipempty nextgroup=jsFlowClassDef containedin=jsClassBlock
 syntax region  jsFlowClassDef       contained start=/:/    end=/\%(\s*[,=;)\n]\)\@=/ contains=@jsFlowCluster skipwhite skipempty nextgroup=jsClassValue

-syntax region  jsFlowModule         contained start=/module/ end=/{\@=/ skipempty skipempty nextgroup=jsFlowDeclareBlock contains=jsString
-syntax region  jsFlowInterface      contained start=/interface/ end=/{\@=/ skipempty skipempty nextgroup=jsFlowInterfaceBlock contains=@jsFlowCluster
+syntax region  jsFlowModule         contained start=/module/ end=/\%({\|:\)\@=/ skipempty skipwhite nextgroup=jsFlowDeclareBlock contains=jsString
+syntax region  jsFlowInterface      contained start=/interface/ end=/{\@=/ skipempty skipwhite nextgroup=jsFlowInterfaceBlock contains=@jsFlowCluster
 syntax region  jsFlowDeclareBlock   contained matchgroup=jsFlowNoise start=/{/ end=/}/ contains=jsFlowDeclare,jsFlowNoise fold

-" NOTE: It appears the nextgroup was causing a ton of breakages... testing it
-" witout a nextgroup, but keeping this arround for reference incase something breaks
-" syntax match   jsFlowMaybe          contained /?/ nextgroup=jsFlowType,jsFlowTypeCustom,jsFlowParens,jsFlowArrowArguments,jsFlowObject,jsFlowReturnObject extend keepend
 syntax match   jsFlowMaybe          contained /?/
-syntax region  jsFlowInterfaceBlock contained matchgroup=jsFlowNoise start=/{/ end=/}/ contains=jsObjectKey,jsObjectKeyString,jsObjectKeyComputed,jsObjectSeparator,jsObjectFuncName,jsObjectMethodType,jsGenerator,jsComment,jsObjectStringKey,jsSpreadExpression,jsFlowNoise keepend fold
+syntax region  jsFlowInterfaceBlock contained matchgroup=jsFlowNoise start=/{/ end=/}/ contains=jsObjectKey,jsObjectKeyString,jsObjectKeyComputed,jsObjectSeparator,jsObjectFuncName,jsFlowObjectFuncName,jsObjectMethodType,jsGenerator,jsComment,jsObjectStringKey,jsSpreadExpression,jsFlowNoise,jsFlowParens,jsFlowGeneric keepend fold

 syntax region  jsFlowParenAnnotation contained start=/:/ end=/[,=)]\@=/ containedin=jsParen contains=@jsFlowCluster

-syntax cluster jsFlowReturnCluster            contains=jsFlowNoise,jsFlowReturnObject,jsFlowReturnArray,jsFlowReturnKeyword,jsFlowReturnGroup,jsFlowReturnMaybe,jsFlowReturnOrOp,jsFlowWildcardReturn,jsFlowReturnArrow
-syntax cluster jsFlowCluster                  contains=jsFlowArray,jsFlowObject,jsFlowExactObject,jsFlowNoise,jsFlowTypeof,jsFlowType,jsFlowGroup,jsFlowArrowArguments,jsFlowMaybe,jsFlowParens,jsFlowOrOperator,jsFlowWildcard
+syntax cluster jsFlowReturnCluster            contains=jsFlowNoise,jsFlowReturnObject,jsFlowReturnArray,jsFlowReturnKeyword,jsFlowReturnGroup,jsFlowReturnMaybe,jsFlowReturnOrOp,jsFlowWildcardReturn,jsFlowReturnArrow,jsFlowTypeofReturn
+syntax cluster jsFlowCluster                  contains=jsFlowArray,jsFlowObject,jsFlowExactObject,jsFlowNoise,jsFlowTypeof,jsFlowType,jsFlowGeneric,jsFlowMaybe,jsFlowParens,jsFlowOrOperator,jsFlowWildcard

 if version >= 508 || !exists("did_javascript_syn_inits")
  if version < 508
@ -71,21 +71,22 @@ if version >= 508 || !exists("did_javascript_syn_inits")
  HiLink jsFlowType               Type
  HiLink jsFlowTypeCustom         PreProc
  HiLink jsFlowTypeof             PreProc
+  HiLink jsFlowTypeofReturn       PreProc
  HiLink jsFlowArray              PreProc
  HiLink jsFlowObject             PreProc
  HiLink jsFlowExactObject        PreProc
  HiLink jsFlowParens             PreProc
-  HiLink jsFlowGroup              PreProc
+  HiLink jsFlowGeneric            PreProc
+  HiLink jsFlowObjectGeneric      jsFlowGeneric
  HiLink jsFlowReturn             PreProc
  HiLink jsFlowParenAnnotation    PreProc
  HiLink jsFlowReturnObject       jsFlowReturn
  HiLink jsFlowReturnArray        jsFlowArray
  HiLink jsFlowReturnParens       jsFlowParens
-  HiLink jsFlowReturnGroup        jsFlowGroup
+  HiLink jsFlowReturnGroup        jsFlowGeneric
  HiLink jsFlowFunctionGroup      PreProc
  HiLink jsFlowClassGroup         PreProc
  HiLink jsFlowClassFunctionGroup PreProc
-  HiLink jsFlowArrowArguments     PreProc
  HiLink jsFlowArrow              PreProc
  HiLink jsFlowReturnArrow        PreProc
  HiLink jsFlowTypeStatement      PreProc
@ -105,6 +106,7 @@ if version >= 508 || !exists("did_javascript_syn_inits")
  HiLink jsFlowWildcardReturn     PreProc
  HiLink jsFlowImportType         PreProc
  HiLink jsFlowTypeValue          PreProc
+  HiLink jsFlowObjectFuncName     jsObjectFuncName
  delcommand HiLink
 endif

--- a/ftdetect/polyglot.vim
+++ b/ftdetect/polyglot.vim
@ -141,9 +141,18 @@ function! s:setupTemplate()
  set ft=jinja2
 endfunction

-au BufNewFile,BufRead * if s:isAnsible() | set ft=yaml.ansible | en
-au BufNewFile,BufRead *.j2 call s:setupTemplate()
-au BufNewFile,BufRead hosts set ft=ansible_hosts
+augroup ansible_vim_ftyaml_ansible
+    au!
+    au BufNewFile,BufRead * if s:isAnsible() | set ft=yaml.ansible | en
+augroup END
+augroup ansible_vim_ftjinja2
+    au!
+    au BufNewFile,BufRead *.j2 call s:setupTemplate()
+augroup END
+augroup ansible_vim_fthosts
+    au!
+    au BufNewFile,BufRead hosts set ft=ansible_hosts
+augroup END
  augroup end
 endif

@ -363,45 +372,19 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'go') == -1
 let s:cpo_save = &cpo
 set cpo&vim

-" We take care to preserve the user's fileencodings and fileformats,
-" because those settings are global (not buffer local), yet we want
-" to override them for loading Go files, which are defined to be UTF-8.
-let s:current_fileformats = ''
-let s:current_fileencodings = ''
-
-" define fileencodings to open as utf-8 encoding even if it's ascii.
-function! s:gofiletype_pre(type)
-  let s:current_fileformats = &g:fileformats
-  let s:current_fileencodings = &g:fileencodings
-  set fileencodings=utf-8 fileformats=unix
-  let &l:filetype = a:type
-endfunction
-
-" restore fileencodings as others
-function! s:gofiletype_post()
-  let &g:fileformats = s:current_fileformats
-  let &g:fileencodings = s:current_fileencodings
-endfunction
-
 " Note: should not use augroup in ftdetect (see :help ftdetect)
-au BufNewFile *.go setfiletype go | if &modifiable | setlocal fileencoding=utf-8 fileformat=unix | endif
-au BufRead *.go call s:gofiletype_pre("go")
-au BufReadPost *.go call s:gofiletype_post()
-
-au BufNewFile *.s setfiletype asm | if &modifiable | setlocal fileencoding=utf-8 fileformat=unix | endif
-au BufRead *.s call s:gofiletype_pre("asm")
-au BufReadPost *.s call s:gofiletype_post()
-
-au BufRead,BufNewFile *.tmpl set filetype=gohtmltmpl
+au BufRead,BufNewFile *.go setfiletype go
+au BufRead,BufNewFile *.s setfiletype asm
+au BufRead,BufNewFile *.tmpl setfiletype gohtmltmpl

 " remove the autocommands for modsim3, and lprolog files so that their
 " highlight groups, syntax, etc. will not be loaded. *.MOD is included, so
 " that on case insensitive file systems the module2 autocmds will not be
 " executed.
-au! BufNewFile,BufRead *.mod,*.MOD
+au! BufRead,BufNewFile *.mod,*.MOD
 " Set the filetype if the first non-comment and non-blank line starts with
 " 'module <path>'.
-au BufNewFile,BufRead go.mod call s:gomod()
+au BufRead,BufNewFile go.mod call s:gomod()

 fun! s:gomod()
  for l:i in range(1, line('$'))
@ -411,7 +394,7 @@ fun! s:gomod()
    endif

    if l:l =~# '^module .\+'
-      set filetype=gomod
+      setfiletype gomod
    endif

    break
@ -663,9 +646,14 @@ endif
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'markdown') == -1
  augroup filetypedetect
  " markdown, from markdown.vim in plasticboy/vim-markdown:_SYNTAX
+if !has('patch-7.4.480')
+    " Before this patch, vim used modula2 for .md.
+    au! filetypedetect BufRead,BufNewFile *.md
+endif
+
 " markdown filetype file
-au BufRead,BufNewFile *.{md,mdown,mkd,mkdn,markdown,mdwn} set filetype=markdown
-au BufRead,BufNewFile *.{md,mdown,mkd,mkdn,markdown,mdwn}.{des3,des,bf,bfa,aes,idea,cast,rc2,rc4,rc5,desx} set filetype=markdown
+au BufRead,BufNewFile *.{md,mdown,mkd,mkdn,markdown,mdwn} setfiletype markdown
+au BufRead,BufNewFile *.{md,mdown,mkd,mkdn,markdown,mdwn}.{des3,des,bf,bfa,aes,idea,cast,rc2,rc4,rc5,desx} setfiletype markdown
  augroup end
 endif

@ -1040,7 +1028,7 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'rust') == -1
  " rust, from rust.vim in rust-lang/rust.vim
 " vint: -ProhibitAutocmdWithNoGroup

-autocmd BufRead,BufNewFile *.rs set filetype=rust
+autocmd BufRead,BufNewFile *.rs setf rust
 autocmd BufRead,BufNewFile Cargo.toml if &filetype == "" | set filetype=cfg | endif

 " vim: set et sw=4 sts=4 ts=8:
@ -1164,7 +1152,7 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'toml') == -1
  augroup filetypedetect
  " toml, from toml.vim in cespare/vim-toml
 " Go dep and Rust use several TOML config files that are not named with .toml.
-autocmd BufNewFile,BufRead *.toml,Gopkg.lock,Cargo.lock,*/.cargo/config,*/.cargo/credentials,Pipfile set filetype=toml
+autocmd BufNewFile,BufRead *.toml,Gopkg.lock,Cargo.lock,*/.cargo/config,*/.cargo/credentials,Pipfile setf toml
  augroup end
 endif

--- a/ftplugin/elixir.vim
+++ b/ftplugin/elixir.vim
@ -30,7 +30,7 @@ let &l:path =
      \   &g:path
      \ ], ',')
 setlocal includeexpr=elixir#util#get_filename(v:fname)
-setlocal suffixesadd=.ex,.exs,.eex,.erl,.yrl,.hrl
+setlocal suffixesadd=.ex,.exs,.eex,.erl,.xrl,.yrl,.hrl

 let &l:define = 'def\(macro\|guard\|delegate\)\=p\='

@ -49,9 +49,7 @@ onoremap <buffer> <silent> <expr> [[ ':silent keeppatterns ?'.b:block_begin.'<CR
 onoremap <buffer> <silent> <expr> ][ ':silent keeppatterns /'.b:block_end  .'<CR>'
 onoremap <buffer> <silent> <expr> [] ':silent keeppatterns ?'.b:block_end  .'<CR>'

-silent! setlocal formatoptions-=t formatoptions+=croqlj
-
-let b:undo_ftplugin = 'setlocal sw< sts< et< isk< com< cms< path< inex< sua< def<'.
+let b:undo_ftplugin = 'setlocal sw< sts< et< isk< com< cms< path< inex< sua< def< fo<'.
      \ '| unlet! b:match_ignorecase b:match_words b:block_begin b:block_end'

 endif
--- a/ftplugin/eruby.vim
+++ b/ftplugin/eruby.vim
@ -7,7 +7,7 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'ruby') == -1
 " Release Coordinator:	Doug Kearns <dougkearns@gmail.com>

 " Only do this when not done yet for this buffer
-if get(b:, 'did_ftplugin') =~# '\<eruby\>'
+if exists("b:did_ftplugin")
  finish
 endif

@ -25,8 +25,6 @@ endif

 if &filetype =~ '^eruby\.'
  let b:eruby_subtype = matchstr(&filetype,'^eruby\.\zs\w\+')
-elseif &filetype =~ '^.*\.eruby\>'
-  let b:eruby_subtype = matchstr(&filetype,'^.\{-\}\ze\.eruby\>')
 elseif !exists("b:eruby_subtype")
  let s:lines = getline(1)."\n".getline(2)."\n".getline(3)."\n".getline(4)."\n".getline(5)."\n".getline("$")
  let b:eruby_subtype = matchstr(s:lines,'eruby_subtype=\zs\w\+')
@ -49,14 +47,11 @@ elseif !exists("b:eruby_subtype")
  endif
 endif

-if &filetype =~# '^eruby\>'
-  if exists("b:eruby_subtype") && b:eruby_subtype != '' && b:eruby_subtype !=? 'eruby'
-    exe "runtime! ftplugin/".b:eruby_subtype.".vim ftplugin/".b:eruby_subtype."_*.vim ftplugin/".b:eruby_subtype."/*.vim"
-  else
-    runtime! ftplugin/html.vim ftplugin/html_*.vim ftplugin/html/*.vim
-  endif
+if exists("b:eruby_subtype") && b:eruby_subtype != '' && b:eruby_subtype !=? 'eruby'
+  exe "runtime! ftplugin/".b:eruby_subtype.".vim ftplugin/".b:eruby_subtype."_*.vim ftplugin/".b:eruby_subtype."/*.vim"
+else
+  runtime! ftplugin/html.vim ftplugin/html_*.vim ftplugin/html/*.vim
 endif
-let s:did_ftplugin = get(b:, 'did_ftplugin', 1)
 unlet! b:did_ftplugin

 " Override our defaults if these were set by an included ftplugin.
@ -89,7 +84,7 @@ let s:path = &l:path
 let s:suffixesadd = &l:suffixesadd

 runtime! ftplugin/ruby.vim ftplugin/ruby_*.vim ftplugin/ruby/*.vim
-let b:did_ftplugin = s:did_ftplugin . '.eruby'
+let b:did_ftplugin = 1

 " Combine the new set of values with those previously included.
 if exists("b:undo_ftplugin")
--- a/ftplugin/graphql.vim
+++ b/ftplugin/graphql.vim
@ -17,4 +17,6 @@ setlocal softtabstop=2
 setlocal shiftwidth=2
 setlocal expandtab

+let b:undo_ftplugin = 'setlocal com< cms< fo< isk< sts< sw< et<'
+
 endif
--- a/ftplugin/kotlin.vim
+++ b/ftplugin/kotlin.vim
@ -0,0 +1,9 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'kotlin') == -1
+  
+if exists("b:did_ftplugin") | finish | endif
+let b:did_ftplugin = 1
+
+setlocal comments=://
+setlocal commentstring=//\ %s
+
+endif
--- a/ftplugin/rst.vim
+++ b/ftplugin/rst.vim
@ -5,7 +5,7 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'rst') == -1
 " Maintainer: Marshall Ward <marshall.ward@gmail.com>
 " Original Maintainer: Nikolai Weibull <now@bitwi.se>
 " Website: https://github.com/marshallward/vim-restructuredtext
-" Latest Revision: 2018-01-07
+" Latest Revision: 2018-12-29

 if exists("b:did_ftplugin")
    finish
@ -15,6 +15,11 @@ let b:did_ftplugin = 1
 let s:cpo_save = &cpo
 set cpo&vim

+"Disable folding
+if !exists('g:rst_fold_enabled')
+  let g:rst_fold_enabled = 0
+endif
+
 let b:undo_ftplugin = "setl com< cms< et< fo<"

 setlocal comments=fb:.. commentstring=..\ %s expandtab
@ -27,7 +32,7 @@ setlocal formatoptions+=tcroql
 "
 " More sophisticated indentation rules should be revisted in the future.

-if !exists("g:rst_style") || g:rst_style != 0
+if exists("g:rst_style") && g:rst_style != 0
    setlocal expandtab shiftwidth=3 softtabstop=3 tabstop=8
 endif

--- a/ftplugin/ruby.vim
+++ b/ftplugin/ruby.vim
@ -4,8 +4,7 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'ruby') == -1
 " Language:		Ruby
 " Maintainer:		Tim Pope <vimNOSPAM@tpope.org>
 " URL:			https://github.com/vim-ruby/vim-ruby
-" Release Coordinator:  Doug Kearns <dougkearns@gmail.com>
-" ----------------------------------------------------------------------------
+" Release Coordinator:	Doug Kearns <dougkearns@gmail.com>

 if (exists("b:did_ftplugin"))
  finish
@ -26,20 +25,20 @@ if exists("loaded_matchit") && !exists("b:match_words")
  let b:match_ignorecase = 0

  let b:match_words =
-	\ '\<\%(if\|unless\|case\|while\|until\|for\|do\|class\|module\|def\|begin\)\>=\@!' .
+	\ '\<\%(if\|unless\|case\|while\|until\|for\|do\|class\|module\|def\|=\@<!begin\)\>=\@!' .
 	\ ':' .
 	\ '\<\%(else\|elsif\|ensure\|when\|rescue\|break\|redo\|next\|retry\)\>' .
 	\ ':' .
-        \ '\%(^\|[^.\:@$]\)\@<=\<end\:\@!\>' .
+        \ '\%(^\|[^.\:@$=]\)\@<=\<end\:\@!\>' .
+        \ ',^=begin\>:^=end\>,' .
 	\ ',{:},\[:\],(:)'

  let b:match_skip =
 	\ "synIDattr(synID(line('.'),col('.'),0),'name') =~ '" .
-	\ "\\<ruby\\%(String\\|StringDelimiter\\|ASCIICode\\|Escape\\|" .
-        \ "Regexp\\|RegexpDelimiter\\|" .
-	\ "Interpolation\\|NoInterpolation\\|Comment\\|Documentation\\|" .
-	\ "ConditionalModifier\\|RepeatModifier\\|OptionalDo\\|" .
-	\ "Function\\|BlockArgument\\|KeywordAsMethod\\|ClassVariable\\|" .
+	\ "\\<ruby\\%(String\\|.\+Delimiter\\|Character\\|.\+Escape\\|" .
+        \ "Regexp\\|Interpolation\\|Comment\\|Documentation\\|" .
+	\ "ConditionalModifier\\|RepeatModifier\\|RescueModifier\\|OptionalDo\\|" .
+	\ "MethodName\\|BlockArgument\\|KeywordAsMethod\\|ClassVariable\\|" .
 	\ "InstanceVariable\\|GlobalVariable\\|Symbol\\)\\>'"
 endif

@ -154,7 +153,7 @@ endif
 function! s:map(mode, flags, map) abort
  let from = matchstr(a:map, '\S\+')
  if empty(mapcheck(from, a:mode))
-    exe a:mode.'map' '<buffer>' a:map
+    exe a:mode.'map' '<buffer>' a:flags a:map
    let b:undo_ftplugin .= '|sil! '.a:mode.'unmap <buffer> '.from
  endif
 endfunction
@ -313,13 +312,16 @@ function! s:synid() abort
 endfunction

 function! s:wrap_i(back,forward) abort
-  execute 'norm k'.a:forward
+  execute 'norm! k'
+  execute 'norm '.a:forward
  let line = line('.')
  execute 'norm '.a:back
  if line('.') == line - 1
    return s:wrap_a(a:back,a:forward)
  endif
-  execute 'norm jV'.a:forward.'k'
+  execute 'norm! jV'
+  execute 'norm '.a:forward
+  execute 'norm! k'
 endfunction

 function! s:wrap_a(back,forward) abort
@ -332,11 +334,15 @@ function! s:wrap_a(back,forward) abort
    -
  endwhile
  if exists('after')
-    execute 'norm V'.a:forward.'j'
+    execute 'norm! V'
+    execute 'norm '.a:forward
+    execute 'norm! j'
  elseif line('.') > 1 && getline(line('.')-1) =~# '^\s*$'
-    execute 'norm kV'.a:forward
+    execute 'norm! kV'
+    execute 'norm '.a:forward
  else
-    execute 'norm V'.a:forward
+    execute 'norm! V'
+    execute 'norm '.a:forward
  endif
 endfunction

--- a/ftplugin/rust.vim
+++ b/ftplugin/rust.vim
@ -54,8 +54,8 @@ if get(g:, 'rust_recommended_style', 1)
    setlocal textwidth=99
 endif

-" This includeexpr isn't perfect, but it's a good start
-setlocal includeexpr=substitute(v:fname,'::','/','g')
+setlocal include=\\v^\\s*(pub\\s+)?use\\s+\\zs(\\f\|:)+
+setlocal includeexpr=rust#IncludeExpr(v:fname)

 setlocal suffixesadd=.rs

@ -149,7 +149,7 @@ endif
 " Cleanup {{{1

 let b:undo_ftplugin = "
-            \ setlocal formatoptions< comments< commentstring< includeexpr< suffixesadd<
+            \ setlocal formatoptions< comments< commentstring< include< includeexpr< suffixesadd<
            \|if exists('b:rust_set_style')
                \|setlocal tabstop< shiftwidth< softtabstop< expandtab< textwidth<
                \|endif
@ -188,7 +188,7 @@ let b:undo_ftplugin = "
 " Code formatting on save
 augroup rust.vim.PreWrite
    autocmd!
-    autocmd BufWritePre <buffer> silent! call rustfmt#PreWrite()
+    autocmd BufWritePre *.rs silent! call rustfmt#PreWrite()
 augroup END

 setlocal matchpairs+=<:>
--- a/ftplugin/terraform.vim
+++ b/ftplugin/terraform.vim
@ -3,6 +3,8 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'terraform') ==
 " terraform.vim - basic vim/terraform integration
 " Maintainer: HashiVim <https://github.com/hashivim>

+set formatoptions-=t
+
 if exists("g:loaded_terraform") || v:version < 700 || &cp || !executable('terraform')
  finish
 endif
@ -44,7 +46,7 @@ endfunction
 " https://github.com/fatih/vim-hclfmt/blob/master/autoload/fmt.vim
 function! terraform#fmt()
  let l:curw = winsaveview()
-  let l:tmpfile = tempname()
+  let l:tmpfile = tempname() . ".tf"
  call writefile(getline(1, "$"), l:tmpfile)
  let output = system("terraform fmt -write " . l:tmpfile)
  if v:shell_error == 0
--- a/ftplugin/toml.vim
+++ b/ftplugin/toml.vim
@ -3,7 +3,7 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'toml') == -1
 " File: ftplugin/toml.vim
 " Author: Kevin Ballard <kevin@sb.org>
 " Description: FileType Plugin for Toml
-" Last Change: Dec 09, 2014
+" Last Change: Feb 12, 2019

 if exists('b:did_ftplugin')
    finish
@ -12,24 +12,10 @@ let b:did_ftplugin = 1

 let s:save_cpo = &cpo
 set cpo&vim
+let b:undo_ftplugin = 'setlocal commentstring< comments<'

 setlocal commentstring=#\ %s
-
-" Add NERDCommenter delimiters
-
-let s:delims = { 'left': '#' }
-if exists('g:NERDDelimiterMap')
-    if !has_key(g:NERDDelimiterMap, 'toml')
-        let g:NERDDelimiterMap.toml = s:delims
-    endif
-elseif exists('g:NERDCustomDelimiters')
-    if !has_key(g:NERDCustomDelimiters, 'toml')
-        let g:NERDCustomDelimiters.toml = s:delims
-    endif
-else
-    let g:NERDCustomDelimiters = { 'toml': s:delims }
-endif
-unlet s:delims
+setlocal comments=:#

 let &cpo = s:save_cpo
 unlet s:save_cpo
--- a/indent/ansible.vim
+++ b/indent/ansible.vim
@ -10,7 +10,7 @@ setlocal expandtab
 setlocal softtabstop=2
 setlocal shiftwidth=2
 setlocal commentstring=#%s
-setlocal formatoptions=cl
+setlocal formatoptions+=cl
 " c -> wrap long comments, including #
 " l -> do not wrap long lines

--- a/indent/blade.vim
+++ b/indent/blade.vim
@ -55,9 +55,9 @@ function! GetBladeIndent()
    let indent = indent(lnum)

    " 1. Check for special directives
-    " @section is a single-line directive if it has a second argument.
+    " @section and @slot are single-line if they have a second argument.
    " @php is a single-line directive if it is followed by parentheses.
-    if (line =~# '@section\%(.*@end\)\@!' && line !~# '@section\s*([^,]*)')
+    if (line =~# '@\%(section\|slot\)\%(.*@end\)\@!' && line !~# '@\%(section\|slot\)\s*([^,]*)')
                \ || line =~# '@php\s*('
        return indent
    endif
--- a/indent/crystal.vim
+++ b/indent/crystal.vim
@ -49,8 +49,8 @@ let s:skip_expr =

 " Regex used for words that, at the start of a line, add a level of indent.
 let s:crystal_indent_keywords =
-      \ '^\s*\zs\<\%(module\|\%(abstract\)\=\s*\%(class\|struct\)\|enum\|if\|for\|macro' .
-      \ '\|while\|until\|else\|elsif\|case\|when\|unless\|begin\|ensure\|rescue\|lib' .
+      \ '^\s*\zs\<\%(module\|\%(private\s\+\)\=\%(abstract\s\+\)\=\%(class\|struct\)\|enum\|if' .
+      \ '\|for\|macro\|while\|until\|else\|elsif\|case\|when\|unless\|begin\|ensure\|rescue\|lib' .
      \ '\|\%(protected\|private\)\=\s*def\):\@!\>' .
      \ '\|\%([=,*/%+-]\|<<\|>>\|:\s\)\s*\zs' .
      \ '\<\%(if\|for\|while\|until\|case\|unless\|begin\):\@!\>' .
@ -66,7 +66,7 @@ let s:crystal_deindent_keywords =
 let s:end_start_regex =
      \ '{%\s*\<\%(if\|for\|while\|until\|unless\|begin\|lib\)\>\|' .
      \ '\C\%(^\s*\|[=,*/%+\-|;{]\|<<\|>>\|:\s\)\s*\zs' .
-      \ '\<\%(module\|\%(abstract\)\=\s*\%(class\|struct\)\|enum\|macro\|if\|for\|while\|until\|case\|unless\|begin\|lib' .
+      \ '\<\%(module\|\%(private\s\+\)\=\%(abstract\s\+\)\=\%(class\|struct\)\|enum\|macro\|if\|for\|while\|until\|case\|unless\|begin\|lib' .
      \ '\|\%(protected\|private\)\=\s*def\):\@!\>' .
      \ '\|\%(^\|[^.:@$]\)\@<=\<do:\@!\>'

--- a/indent/eruby.vim
+++ b/indent/eruby.vim
@ -6,7 +6,7 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'ruby') == -1
 " URL:			https://github.com/vim-ruby/vim-ruby
 " Release Coordinator:	Doug Kearns <dougkearns@gmail.com>

-if get(b:, 'did_indent') =~# '\<eruby\>'
+if exists("b:did_indent")
  finish
 endif

@ -14,14 +14,12 @@ runtime! indent/ruby.vim
 unlet! b:did_indent
 setlocal indentexpr=

-if &filetype =~# '^eruby\>'
-  if exists("b:eruby_subtype") && b:eruby_subtype != '' && b:eruby_subtype !=# 'eruby'
-    exe "runtime! indent/".b:eruby_subtype.".vim"
-  else
-    runtime! indent/html.vim
-  endif
+if exists("b:eruby_subtype") && b:eruby_subtype != '' && b:eruby_subtype !=# 'eruby'
+  exe "runtime! indent/".b:eruby_subtype.".vim"
+else
+  runtime! indent/html.vim
 endif
-let b:did_indent = get(b:, 'did_indent', 1) . '.eruby'
+unlet! b:did_indent

 " Force HTML indent to not keep state.
 let b:html_indent_usestate = 0
@ -35,6 +33,8 @@ if &l:indentexpr == ''
 endif
 let b:eruby_subtype_indentexpr = &l:indentexpr

+let b:did_indent = 1
+
 setlocal indentexpr=GetErubyIndent()
 setlocal indentkeys=o,O,*<Return>,<>>,{,},0),0],o,O,!^F,=end,=else,=elsif,=rescue,=ensure,=when

--- a/indent/graphql.vim
+++ b/indent/graphql.vim
@ -15,7 +15,7 @@ setlocal nolisp
 setlocal nosmartindent

 setlocal indentexpr=GetGraphQLIndent()
-setlocal indentkeys=0{,0},0),0[,0],0#,!^F,o,O,e
+setlocal indentkeys=0{,0},0),0[,0],0#,!^F,o,O

 " If our indentation function already exists, we have nothing more to do.
 if exists('*GetGraphQLIndent')
--- a/indent/ruby.vim
+++ b/indent/ruby.vim
@ -2,7 +2,8 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'ruby') == -1
  
 " Vim indent file
 " Language:		Ruby
-" Maintainer:		Nikolai Weibull <now at bitwi.se>
+" Maintainer:		Andrew Radev <andrey.radev@gmail.com>
+" Previous Maintainer:	Nikolai Weibull <now at bitwi.se>
 " URL:			https://github.com/vim-ruby/vim-ruby
 " Release Coordinator:	Doug Kearns <dougkearns@gmail.com>

@ -51,15 +52,26 @@ set cpo&vim

 " Syntax group names that are strings.
 let s:syng_string =
-      \ ['String', 'Interpolation', 'InterpolationDelimiter', 'NoInterpolation', 'StringEscape']
+      \ ['String', 'Interpolation', 'InterpolationDelimiter', 'StringEscape']

 " Syntax group names that are strings or documentation.
 let s:syng_stringdoc = s:syng_string + ['Documentation']

 " Syntax group names that are or delimit strings/symbols/regexes or are comments.
-let s:syng_strcom = s:syng_stringdoc +
-      \ ['Regexp', 'RegexpDelimiter', 'RegexpEscape',
-      \ 'Symbol', 'StringDelimiter', 'ASCIICode', 'Comment']
+let s:syng_strcom = s:syng_stringdoc + [
+      \ 'Character',
+      \ 'Comment',
+      \ 'HeredocDelimiter',
+      \ 'PercentRegexpDelimiter',
+      \ 'PercentStringDelimiter',
+      \ 'PercentSymbolDelimiter',
+      \ 'Regexp',
+      \ 'RegexpDelimiter',
+      \ 'RegexpEscape',
+      \ 'StringDelimiter',
+      \ 'Symbol',
+      \ 'SymbolDelimiter',
+      \ ]

 " Expression used to check whether we should skip a match with searchpair().
 let s:skip_expr =
@ -69,7 +81,7 @@ let s:skip_expr =
 let s:ruby_indent_keywords =
      \ '^\s*\zs\<\%(module\|class\|if\|for' .
      \   '\|while\|until\|else\|elsif\|case\|when\|unless\|begin\|ensure\|rescue' .
-      \   '\|\%(\K\k*[!?]\?\)\=\s*def\):\@!\>' .
+      \   '\|\%(\K\k*[!?]\?\s\+\)\=def\):\@!\>' .
      \ '\|\%([=,*/%+-]\|<<\|>>\|:\s\)\s*\zs' .
      \    '\<\%(if\|for\|while\|until\|case\|unless\|begin\):\@!\>'

@ -83,7 +95,7 @@ let s:ruby_deindent_keywords =
 let s:end_start_regex =
      \ '\C\%(^\s*\|[=,*/%+\-|;{]\|<<\|>>\|:\s\)\s*\zs' .
      \ '\<\%(module\|class\|if\|for\|while\|until\|case\|unless\|begin' .
-      \   '\|\%(\K\k*[!?]\?\)\=\s*def\):\@!\>' .
+      \   '\|\%(\K\k*[!?]\?\s\+\)\=def\):\@!\>' .
      \ '\|\%(^\|[^.:@$]\)\@<=\<do:\@!\>'

 " Regex that defines the middle-match for the 'end' keyword.
@ -146,7 +158,7 @@ let s:block_regex =
 let s:block_continuation_regex = '^\s*[^])}\t ].*'.s:block_regex

 " Regex that describes a leading operator (only a method call's dot for now)
-let s:leading_operator_regex = '^\s*[.]'
+let s:leading_operator_regex = '^\s*\%(&\=\.\)'

 " 2. GetRubyIndent Function {{{1
 " =========================
@ -695,7 +707,10 @@ endfunction

 " Check if the character at lnum:col is inside a string delimiter
 function! s:IsInStringDelimiter(lnum, col) abort
-  return s:IsInRubyGroup(['StringDelimiter'], a:lnum, a:col)
+  return s:IsInRubyGroup(
+        \ ['HeredocDelimiter', 'PercentStringDelimiter', 'StringDelimiter'],
+        \ a:lnum, a:col
+        \ )
 endfunction

 function! s:IsAssignment(str, pos) abort
--- a/syntax/crystal.vim
+++ b/syntax/crystal.vim
@ -83,6 +83,12 @@ syn match crystalFloat	"\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+
 syn match crystalLocalVariableOrMethod "\<[_[:lower:]][_[:alnum:]]*[?!=]\=" contains=NONE display transparent
 syn match crystalBlockArgument	    "&[_[:lower:]][_[:alnum:]]"		 contains=NONE display transparent

+syn match  crystalTypeName		"\%(\%([.@$]\@<!\.\)\@<!\<\|::\)\_s*\zs\u\w*\%(\>\|::\)\@=" contained
+syn match  crystalClassName		"\%(\%([.@$]\@<!\.\)\@<!\<\|::\)\_s*\zs\u\w*\%(\>\|::\)\@=" contained
+syn match  crystalModuleName		"\%(\%([.@$]\@<!\.\)\@<!\<\|::\)\_s*\zs\u\w*\%(\>\|::\)\@=" contained
+syn match  crystalStructName		"\%(\%([.@$]\@<!\.\)\@<!\<\|::\)\_s*\zs\u\w*\%(\>\|::\)\@=" contained
+syn match  crystalLibName		"\%(\%([.@$]\@<!\.\)\@<!\<\|::\)\_s*\zs\u\w*\%(\>\|::\)\@=" contained
+syn match  crystalEnumName		"\%(\%([.@$]\@<!\.\)\@<!\<\|::\)\_s*\zs\u\w*\%(\>\|::\)\@=" contained
 syn match  crystalConstant		"\%(\%([.@$]\@<!\.\)\@<!\<\|::\)\_s*\zs\u\w*\%(\>\|::\)\@="
 syn match  crystalClassVariable	"@@\%(\h\|%\|[^\x00-\x7F]\)\%(\w\|%\|[^\x00-\x7F]\)*" display
 syn match  crystalInstanceVariable "@\%(\h\|%\|[^\x00-\x7F]\)\%(\w\|%\|[^\x00-\x7F]\)*"  display
@ -176,15 +182,15 @@ end

 syn match crystalAliasDeclaration    "[^[:space:];#.()]\+" contained contains=crystalSymbol,crystalGlobalVariable,crystalPredefinedVariable nextgroup=crystalAliasDeclaration2 skipwhite
 syn match crystalAliasDeclaration2   "[^[:space:];#.()]\+" contained contains=crystalSymbol,crystalGlobalVariable,crystalPredefinedVariable
-syn match crystalMethodDeclaration   "[^[:space:];#(]\+"	 contained contains=crystalConstant,crystalBoolean,crystalPseudoVariable,crystalInstanceVariable,crystalClassVariable,crystalGlobalVariable
-syn match crystalFunctionDeclaration "[^[:space:];#(=]\+"	 contained contains=crystalConstant
-syn match crystalTypeDeclaration     "[^[:space:];#=]\+"	 contained contains=crystalConstant
-syn match crystalClassDeclaration    "[^[:space:];#<]\+"	 contained contains=crystalConstant,crystalOperator
-syn match crystalModuleDeclaration   "[^[:space:];#<]\+"	 contained contains=crystalConstant,crystalOperator
-syn match crystalStructDeclaration   "[^[:space:];#<]\+"	 contained contains=crystalConstant,crystalOperator
-syn match crystalLibDeclaration      "[^[:space:];#<]\+"	 contained contains=crystalConstant,crystalOperator
-syn match crystalMacroDeclaration    "[^[:space:];#<\"]\+"	 contained contains=crystalConstant,crystalOperator
-syn match crystalEnumDeclaration     "[^[:space:];#<\"]\+"	 contained contains=crystalConstant
+syn match crystalMethodDeclaration   "[^[:space:];#(]\+"	 contained contains=crystalConstant,crystalFunction,crystalBoolean,crystalPseudoVariable,crystalInstanceVariable,crystalClassVariable,crystalGlobalVariable
+syn match crystalFunctionDeclaration "[^[:space:];#(=]\+"	 contained contains=crystalFunction
+syn match crystalTypeDeclaration     "[^[:space:];#=]\+"	 contained contains=crystalTypeName
+syn match crystalClassDeclaration    "[^[:space:];#<]\+"	 contained contains=crystalClassName,crystalOperator
+syn match crystalModuleDeclaration   "[^[:space:];#]\+"		 contained contains=crystalModuleName,crystalOperator
+syn match crystalStructDeclaration   "[^[:space:];#<]\+"	 contained contains=crystalStructName,crystalOperator
+syn match crystalLibDeclaration      "[^[:space:];#]\+"		 contained contains=crystalLibName,crystalOperator
+syn match crystalMacroDeclaration    "[^[:space:];#(]\+"	 contained contains=crystalFunction
+syn match crystalEnumDeclaration     "[^[:space:];#<\"]\+"	 contained contains=crystalEnumName
 syn match crystalFunction "\<[_[:alpha:]][_[:alnum:]]*[?!=]\=[[:alnum:]_.:?!=]\@!" contained containedin=crystalMethodDeclaration,crystalFunctionDeclaration
 syn match crystalFunction "\%(\s\|^\)\@<=[_[:alpha:]][_[:alnum:]]*[?!=]\=\%(\s\|$\)\@=" contained containedin=crystalAliasDeclaration,crystalAliasDeclaration2
 syn match crystalFunction "\%([[:space:].]\|^\)\@<=\%(\[\][=?]\=\|\*\*\|[+-]@\=\|[*/%|&^~]\|<<\|>>\|[<>]=\=\|<=>\|===\|[=!]=\|[=!]\~\|!\|`\)\%([[:space:];#(]\|$\)\@=" contained containedin=crystalAliasDeclaration,crystalAliasDeclaration2,crystalMethodDeclaration,crystalFunctionDeclaration
@ -345,6 +351,12 @@ else
 endif
 hi def link crystalClassVariable	crystalIdentifier
 hi def link crystalConstant		Type
+hi def link crystalTypeName		crystalConstant
+hi def link crystalClassName		crystalConstant
+hi def link crystalModuleName		crystalConstant
+hi def link crystalStructName		crystalConstant
+hi def link crystalLibName		crystalConstant
+hi def link crystalEnumName		crystalConstant
 hi def link crystalGlobalVariable	crystalIdentifier
 hi def link crystalBlockParameter	crystalIdentifier
 hi def link crystalInstanceVariable	crystalIdentifier
--- a/syntax/dart.vim
+++ b/syntax/dart.vim
@ -28,14 +28,15 @@ syntax keyword dartConstant       null
 syntax keyword dartTypedef        this super class typedef enum mixin
 syntax keyword dartOperator       new is as in
 syntax match   dartOperator       "+=\=\|-=\=\|*=\=\|/=\=\|%=\=\|\~/=\=\|<<=\=\|>>=\=\|[<>]=\=\|===\=\|\!==\=\|&=\=\|\^=\=\||=\=\|||\|&&\|\[\]=\=\|=>\|!\|\~\|?\|:"
-syntax keyword dartType           void var bool int double num dynamic covariant
+syntax keyword dartType           void var bool int double num dynamic
 syntax keyword dartStatement      return
 syntax keyword dartStorageClass   static abstract final const factory
 syntax keyword dartExceptions     throw rethrow try on catch finally
 syntax keyword dartAssert         assert
 syntax keyword dartClassDecl      extends with implements
 syntax keyword dartBranch         break continue nextgroup=dartUserLabelRef skipwhite
-syntax keyword dartKeyword        get set operator call external async await yield sync native
+syntax keyword dartKeyword        get set operator call external async await
+    \ yield sync native covariant
 syntax match   dartUserLabelRef   "\k\+" contained

 syntax region  dartLabelRegion   transparent matchgroup=dartLabel start="\<case\>" matchgroup=NONE end=":"
--- a/syntax/elixir.vim
+++ b/syntax/elixir.vim
@ -13,7 +13,7 @@ syn sync minlines=2000
 syn cluster elixirNotTop contains=@elixirRegexSpecial,@elixirStringContained,@elixirDeclaration,elixirTodo,elixirArguments,elixirBlockDefinition,elixirUnusedVariable,elixirStructDelimiter
 syn cluster elixirRegexSpecial contains=elixirRegexEscape,elixirRegexCharClass,elixirRegexQuantifier,elixirRegexEscapePunctuation
 syn cluster elixirStringContained contains=elixirInterpolation,elixirRegexEscape,elixirRegexCharClass
-syn cluster elixirDeclaration contains=elixirFunctionDeclaration,elixirModuleDeclaration,elixirProtocolDeclaration,elixirImplDeclaration,elixirRecordDeclaration,elixirMacroDeclaration,elixirDelegateDeclaration,elixirOverridableDeclaration,elixirExceptionDeclaration,elixirCallbackDeclaration,elixirStructDeclaration
+syn cluster elixirDeclaration contains=elixirFunctionDeclaration,elixirPrivateFunctionDeclaration,elixirModuleDeclaration,elixirProtocolDeclaration,elixirImplDeclaration,elixirRecordDeclaration,elixirPrivateRecordDeclaration,elixirMacroDeclaration,elixirPrivateMacroDeclaration,elixirDelegateDeclaration,elixirOverridableDeclaration,elixirExceptionDeclaration,elixirCallbackDeclaration,elixirStructDeclaration

 syn match elixirComment '#.*' contains=elixirTodo,@Spell
 syn keyword elixirTodo FIXME NOTE TODO OPTIMIZE XXX HACK contained
@ -84,7 +84,6 @@ syn match elixirAtomInterpolated   ':\("\)\@=' contains=elixirString
 syn match elixirString             "\(\w\)\@<!?\%(\\\(x\d{1,2}\|\h{1,2}\h\@!\>\|0[0-7]{0,2}[0-7]\@!\>\|[^x0MC]\)\|(\\[MC]-)+\w\|[^\s\\]\)"

 syn region elixirBlock              matchgroup=elixirBlockDefinition start="\<do\>:\@!" end="\<end\>" contains=ALLBUT,@elixirNotTop fold
-syn region elixirElseBlock          matchgroup=elixirBlockDefinition start="\<else\>:\@!" end="\<end\>" contains=ALLBUT,@elixirNotTop fold
 syn region elixirAnonymousFunction  matchgroup=elixirBlockDefinition start="\<fn\>"     end="\<end\>" contains=ALLBUT,@elixirNotTop fold

 syn region elixirArguments start="(" end=")" contained contains=elixirOperator,elixirAtom,elixirPseudoVariable,elixirAlias,elixirBoolean,elixirVariable,elixirUnusedVariable,elixirNumber,elixirDocString,elixirAtomInterpolated,elixirRegex,elixirString,elixirStringDelimiter,elixirRegexDelimiter,elixirInterpolationDelimiter,elixirSigil,elixirAnonymousFunction,elixirComment
@ -120,102 +119,110 @@ else
  syn region elixirDocTest start="^\s*\%(iex\|\.\.\.\)\%((\d*)\)\?>\s" end="^\s*$" contained
 endif

-syn region elixirDocString matchgroup=elixirSigilDelimiter  start="\%(@\w*doc\s\+\)\@<=\~[Ss]\z(/\|\"\|'\||\)" end="\z1" skip="\\\\\|\\\z1" contains=@elixirDocStringContained fold keepend
-syn region elixirDocString matchgroup=elixirSigilDelimiter  start="\%(@\w*doc\s\+\)\@<=\~[Ss]{"                   end="}"   skip="\\\\\|\\}"   contains=@elixirDocStringContained fold keepend
-syn region elixirDocString matchgroup=elixirSigilDelimiter  start="\%(@\w*doc\s\+\)\@<=\~[Ss]<"                   end=">"   skip="\\\\\|\\>"   contains=@elixirDocStringContained fold keepend
-syn region elixirDocString matchgroup=elixirSigilDelimiter  start="\%(@\w*doc\s\+\)\@<=\~[Ss]\["                  end="\]"  skip="\\\\\|\\\]"  contains=@elixirDocStringContained fold keepend
-syn region elixirDocString matchgroup=elixirSigilDelimiter  start="\%(@\w*doc\s\+\)\@<=\~[Ss]("                   end=")"   skip="\\\\\|\\)"   contains=@elixirDocStringContained fold keepend
-syn region elixirDocString matchgroup=elixirStringDelimiter start=+\%(@\w*doc\s\+\)\@<=\z("\)+                 end=+\z1+ skip=+\\\\\|\\\z1+  contains=@elixirDocStringContained keepend
-syn region elixirDocString matchgroup=elixirStringDelimiter start=+\%(@\w*doc\s\+\)\@<=\z("""\)+               end=+\z1+ contains=@elixirDocStringContained fold keepend
-syn region elixirDocString matchgroup=elixirSigilDelimiter  start=+\%(@\w*doc\s\+\)\@<=\~[Ss]\z('''\)+ end=+\z1+ skip=+\\'+ contains=@elixirDocStringContained fold keepend
-syn region elixirDocString matchgroup=elixirSigilDelimiter  start=+\%(@\w*doc\s\+\)\@<=\~[Ss]\z("""\)+ end=+\z1+ skip=+\\"+ contains=@elixirDocStringContained fold keepend
+syn region elixirDocString matchgroup=elixirDocSigilDelimiter  start="\%(@\w*doc\s\+\)\@<=\~[Ss]\z(/\|\"\|'\||\)" end="\z1" skip="\\\\\|\\\z1" contains=@elixirDocStringContained fold keepend
+syn region elixirDocString matchgroup=elixirDocSigilDelimiter  start="\%(@\w*doc\s\+\)\@<=\~[Ss]{"                   end="}"   skip="\\\\\|\\}"   contains=@elixirDocStringContained fold keepend
+syn region elixirDocString matchgroup=elixirDocSigilDelimiter  start="\%(@\w*doc\s\+\)\@<=\~[Ss]<"                   end=">"   skip="\\\\\|\\>"   contains=@elixirDocStringContained fold keepend
+syn region elixirDocString matchgroup=elixirDocSigilDelimiter  start="\%(@\w*doc\s\+\)\@<=\~[Ss]\["                  end="\]"  skip="\\\\\|\\\]"  contains=@elixirDocStringContained fold keepend
+syn region elixirDocString matchgroup=elixirDocSigilDelimiter  start="\%(@\w*doc\s\+\)\@<=\~[Ss]("                   end=")"   skip="\\\\\|\\)"   contains=@elixirDocStringContained fold keepend
+syn region elixirDocString matchgroup=elixirDocStringDelimiter start=+\%(@\w*doc\s\+\)\@<=\z("\)+                 end=+\z1+ skip=+\\\\\|\\\z1+  contains=@elixirDocStringContained keepend
+syn region elixirDocString matchgroup=elixirDocStringDelimiter start=+\%(@\w*doc\s\+\)\@<=\z("""\)+               end=+\z1+ contains=@elixirDocStringContained fold keepend
+syn region elixirDocString matchgroup=elixirDocSigilDelimiter  start=+\%(@\w*doc\s\+\)\@<=\~[Ss]\z('''\)+ end=+\z1+ skip=+\\'+ contains=@elixirDocStringContained fold keepend
+syn region elixirDocString matchgroup=elixirDocSigilDelimiter  start=+\%(@\w*doc\s\+\)\@<=\~[Ss]\z("""\)+ end=+\z1+ skip=+\\"+ contains=@elixirDocStringContained fold keepend

 " Defines
-syn match elixirDefine              '\<def\>\(:\)\@!'             nextgroup=elixirFunctionDeclaration    skipwhite skipnl
-syn match elixirPrivateDefine       '\<defp\>\(:\)\@!'            nextgroup=elixirFunctionDeclaration    skipwhite skipnl
-syn match elixirGuard               '\<defguard\>\(:\)\@!'        nextgroup=elixirFunctionDeclaration    skipwhite skipnl
-syn match elixirPrivateGuard        '\<defguardp\>\(:\)\@!'       nextgroup=elixirFunctionDeclaration    skipwhite skipnl
-syn match elixirModuleDefine        '\<defmodule\>\(:\)\@!'       nextgroup=elixirModuleDeclaration      skipwhite skipnl
-syn match elixirProtocolDefine      '\<defprotocol\>\(:\)\@!'     nextgroup=elixirProtocolDeclaration    skipwhite skipnl
-syn match elixirImplDefine          '\<defimpl\>\(:\)\@!'         nextgroup=elixirImplDeclaration        skipwhite skipnl
-syn match elixirRecordDefine        '\<defrecord\>\(:\)\@!'       nextgroup=elixirRecordDeclaration      skipwhite skipnl
-syn match elixirPrivateRecordDefine '\<defrecordp\>\(:\)\@!'      nextgroup=elixirRecordDeclaration      skipwhite skipnl
-syn match elixirMacroDefine         '\<defmacro\>\(:\)\@!'        nextgroup=elixirMacroDeclaration       skipwhite skipnl
-syn match elixirPrivateMacroDefine  '\<defmacrop\>\(:\)\@!'       nextgroup=elixirMacroDeclaration       skipwhite skipnl
-syn match elixirDelegateDefine      '\<defdelegate\>\(:\)\@!'     nextgroup=elixirDelegateDeclaration    skipwhite skipnl
-syn match elixirOverridableDefine   '\<defoverridable\>\(:\)\@!'  nextgroup=elixirOverridableDeclaration skipwhite skipnl
-syn match elixirExceptionDefine     '\<defexception\>\(:\)\@!'    nextgroup=elixirExceptionDeclaration   skipwhite skipnl
-syn match elixirCallbackDefine      '\<defcallback\>\(:\)\@!'     nextgroup=elixirCallbackDeclaration    skipwhite skipnl
+syn match elixirDefine              '\<def\>\(:\)\@!'             nextgroup=elixirFunctionDeclaration        skipwhite skipnl
+syn match elixirPrivateDefine       '\<defp\>\(:\)\@!'            nextgroup=elixirPrivateFunctionDeclaration skipwhite skipnl
+syn match elixirGuard               '\<defguard\>\(:\)\@!'        nextgroup=elixirFunctionDeclaration        skipwhite skipnl
+syn match elixirPrivateGuard        '\<defguardp\>\(:\)\@!'       nextgroup=elixirPrivateFunctionDeclaration skipwhite skipnl
+syn match elixirModuleDefine        '\<defmodule\>\(:\)\@!'       nextgroup=elixirModuleDeclaration          skipwhite skipnl
+syn match elixirProtocolDefine      '\<defprotocol\>\(:\)\@!'     nextgroup=elixirProtocolDeclaration        skipwhite skipnl
+syn match elixirImplDefine          '\<defimpl\>\(:\)\@!'         nextgroup=elixirImplDeclaration            skipwhite skipnl
+syn match elixirRecordDefine        '\<defrecord\>\(:\)\@!'       nextgroup=elixirRecordDeclaration          skipwhite skipnl
+syn match elixirPrivateRecordDefine '\<defrecordp\>\(:\)\@!'      nextgroup=elixirPrivateRecordDeclaration   skipwhite skipnl
+syn match elixirMacroDefine         '\<defmacro\>\(:\)\@!'        nextgroup=elixirMacroDeclaration           skipwhite skipnl
+syn match elixirPrivateMacroDefine  '\<defmacrop\>\(:\)\@!'       nextgroup=elixirPrivateMacroDeclaration    skipwhite skipnl
+syn match elixirDelegateDefine      '\<defdelegate\>\(:\)\@!'     nextgroup=elixirDelegateDeclaration        skipwhite skipnl
+syn match elixirOverridableDefine   '\<defoverridable\>\(:\)\@!'  nextgroup=elixirOverridableDeclaration     skipwhite skipnl
+syn match elixirExceptionDefine     '\<defexception\>\(:\)\@!'    nextgroup=elixirExceptionDeclaration       skipwhite skipnl
+syn match elixirCallbackDefine      '\<defcallback\>\(:\)\@!'     nextgroup=elixirCallbackDeclaration        skipwhite skipnl
 syn match elixirStructDefine        '\<defstruct\>\(:\)\@!'       skipwhite skipnl

 " Declarations
-syn match  elixirModuleDeclaration      "[^[:space:];#<]\+"        contained                      nextgroup=elixirBlock     skipwhite skipnl
-syn match  elixirFunctionDeclaration    "[^[:space:];#<,()\[\]]\+" contained                      nextgroup=elixirArguments skipwhite skipnl
-syn match  elixirProtocolDeclaration    "[^[:space:];#<]\+"        contained contains=elixirAlias                           skipwhite skipnl
-syn match  elixirImplDeclaration        "[^[:space:];#<]\+"        contained contains=elixirAlias                           skipwhite skipnl
-syn match  elixirRecordDeclaration      "[^[:space:];#<]\+"        contained contains=elixirAlias,elixirAtom                skipwhite skipnl
-syn match  elixirMacroDeclaration       "[^[:space:];#<,()\[\]]\+" contained                      nextgroup=elixirArguments skipwhite skipnl
-syn match  elixirDelegateDeclaration    "[^[:space:];#<,()\[\]]\+" contained contains=elixirFunctionDeclaration             skipwhite skipnl
-syn region elixirDelegateDeclaration    start='\['     end='\]'    contained contains=elixirFunctionDeclaration             skipwhite skipnl
-syn match  elixirOverridableDeclaration "[^[:space:];#<]\+"        contained contains=elixirAlias,elixirAtom                skipwhite skipnl
-syn match  elixirExceptionDeclaration   "[^[:space:];#<]\+"        contained contains=elixirAlias,elixirAtom                skipwhite skipnl
-syn match  elixirCallbackDeclaration    "[^[:space:];#<,()\[\]]\+" contained contains=elixirFunctionDeclaration             skipwhite skipnl
+syn match  elixirModuleDeclaration          "[^[:space:];#<,()\[\]]\+" contained                      nextgroup=elixirBlock     skipwhite skipnl
+syn match  elixirFunctionDeclaration        "[^[:space:];#<,()\[\]]\+" contained                      nextgroup=elixirArguments skipwhite skipnl
+syn match  elixirPrivateFunctionDeclaration "[^[:space:];#<,()\[\]]\+" contained                      nextgroup=elixirArguments skipwhite skipnl
+syn match  elixirProtocolDeclaration        "[^[:space:];#<]\+"        contained contains=elixirAlias                           skipwhite skipnl
+syn match  elixirImplDeclaration            "[^[:space:];#<]\+"        contained contains=elixirAlias                           skipwhite skipnl
+syn match  elixirRecordDeclaration          "[^[:space:];#<]\+"        contained contains=elixirAlias,elixirAtom                skipwhite skipnl
+syn match  elixirPrivateRecordDeclaration   "[^[:space:];#<]\+"        contained contains=elixirAlias,elixirAtom                skipwhite skipnl
+syn match  elixirMacroDeclaration           "[^[:space:];#<,()\[\]]\+" contained                      nextgroup=elixirArguments skipwhite skipnl
+syn match  elixirPrivateMacroDeclaration    "[^[:space:];#<,()\[\]]\+" contained                      nextgroup=elixirArguments skipwhite skipnl
+syn match  elixirDelegateDeclaration        "[^[:space:];#<,()\[\]]\+" contained contains=elixirFunctionDeclaration             skipwhite skipnl
+syn region elixirDelegateDeclaration        start='\['     end='\]'    contained contains=elixirFunctionDeclaration             skipwhite skipnl
+syn match  elixirOverridableDeclaration     "[^[:space:];#<]\+"        contained contains=elixirAlias,elixirAtom                skipwhite skipnl
+syn match  elixirExceptionDeclaration       "[^[:space:];#<]\+"        contained contains=elixirAlias,elixirAtom                skipwhite skipnl
+syn match  elixirCallbackDeclaration        "[^[:space:];#<,()\[\]]\+" contained contains=elixirFunctionDeclaration             skipwhite skipnl

 " ExUnit
 syn match  elixirExUnitMacro "\(^\s*\)\@<=\<\(test\|describe\|setup\|setup_all\|on_exit\|doctest\)\>"
 syn match  elixirExUnitAssert "\(^\s*\)\@<=\<\(assert\|assert_in_delta\|assert_raise\|assert_receive\|assert_received\|catch_error\)\>"
 syn match  elixirExUnitAssert "\(^\s*\)\@<=\<\(catch_exit\|catch_throw\|flunk\|refute\|refute_in_delta\|refute_receive\|refute_received\)\>"

-hi def link elixirBlockDefinition        Define
-hi def link elixirDefine                 Define
-hi def link elixirPrivateDefine          Define
-hi def link elixirGuard                  Define
-hi def link elixirPrivateGuard           Define
-hi def link elixirModuleDefine           Define
-hi def link elixirProtocolDefine         Define
-hi def link elixirImplDefine             Define
-hi def link elixirRecordDefine           Define
-hi def link elixirPrivateRecordDefine    Define
-hi def link elixirMacroDefine            Define
-hi def link elixirPrivateMacroDefine     Define
-hi def link elixirDelegateDefine         Define
-hi def link elixirOverridableDefine      Define
-hi def link elixirExceptionDefine        Define
-hi def link elixirCallbackDefine         Define
-hi def link elixirStructDefine           Define
-hi def link elixirExUnitMacro            Define
-hi def link elixirModuleDeclaration      Type
-hi def link elixirFunctionDeclaration    Function
-hi def link elixirMacroDeclaration       Macro
-hi def link elixirInclude                Include
-hi def link elixirComment                Comment
-hi def link elixirTodo                   Todo
-hi def link elixirKeyword                Define
-hi def link elixirExUnitAssert           Keyword
-hi def link elixirOperator               Operator
-hi def link elixirAtom                   Constant
-hi def link elixirPseudoVariable         Constant
-hi def link elixirAlias                  Type
-hi def link elixirBoolean                Boolean
-hi def link elixirVariable               Identifier
-hi def link elixirSelf                   Identifier
-hi def link elixirUnusedVariable         Comment
-hi def link elixirNumber                 Number
-hi def link elixirDocString              Comment
-hi def link elixirDocTest                elixirKeyword
-hi def link elixirAtomInterpolated       elixirAtom
-hi def link elixirRegex                  elixirString
-hi def link elixirRegexEscape            elixirSpecial
-hi def link elixirRegexEscapePunctuation elixirSpecial
-hi def link elixirRegexCharClass         elixirSpecial
-hi def link elixirRegexQuantifier        elixirSpecial
-hi def link elixirSpecial                Special
-hi def link elixirString                 String
-hi def link elixirSigil                  String
-hi def link elixirStringDelimiter        Delimiter
-hi def link elixirRegexDelimiter         Delimiter
-hi def link elixirInterpolationDelimiter Delimiter
-hi def link elixirSigilDelimiter         Delimiter
+hi def link elixirBlockDefinition            Define
+hi def link elixirDefine                     Define
+hi def link elixirPrivateDefine              Define
+hi def link elixirGuard                      Define
+hi def link elixirPrivateGuard               Define
+hi def link elixirModuleDefine               Define
+hi def link elixirProtocolDefine             Define
+hi def link elixirImplDefine                 Define
+hi def link elixirRecordDefine               Define
+hi def link elixirPrivateRecordDefine        Define
+hi def link elixirMacroDefine                Define
+hi def link elixirPrivateMacroDefine         Define
+hi def link elixirDelegateDefine             Define
+hi def link elixirOverridableDefine          Define
+hi def link elixirExceptionDefine            Define
+hi def link elixirCallbackDefine             Define
+hi def link elixirStructDefine               Define
+hi def link elixirExUnitMacro                Define
+hi def link elixirModuleDeclaration          Type
+hi def link elixirPrivateFunctionDeclaration elixirFunctionDeclaration
+hi def link elixirFunctionDeclaration        Function
+hi def link elixirPrivateMacroDeclaration    elixirMacroDeclaration
+hi def link elixirMacroDeclaration           Macro
+hi def link elixirInclude                    Include
+hi def link elixirComment                    Comment
+hi def link elixirTodo                       Todo
+hi def link elixirKeyword                    Define
+hi def link elixirExUnitAssert               Keyword
+hi def link elixirOperator                   Operator
+hi def link elixirAtom                       Constant
+hi def link elixirPseudoVariable             Constant
+hi def link elixirAlias                      Type
+hi def link elixirBoolean                    Boolean
+hi def link elixirVariable                   Identifier
+hi def link elixirSelf                       Identifier
+hi def link elixirUnusedVariable             Comment
+hi def link elixirNumber                     Number
+hi def link elixirDocString                  Comment
+hi def link elixirDocTest                    elixirKeyword
+hi def link elixirAtomInterpolated           elixirAtom
+hi def link elixirRegex                      elixirString
+hi def link elixirRegexEscape                elixirSpecial
+hi def link elixirRegexEscapePunctuation     elixirSpecial
+hi def link elixirRegexCharClass             elixirSpecial
+hi def link elixirRegexQuantifier            elixirSpecial
+hi def link elixirSpecial                    Special
+hi def link elixirString                     String
+hi def link elixirSigil                      String
+hi def link elixirDocStringDelimiter         elixirStringDelimiter
+hi def link elixirDocSigilDelimiter          elixirSigilDelimiter
+hi def link elixirStringDelimiter            Delimiter
+hi def link elixirRegexDelimiter             Delimiter
+hi def link elixirInterpolationDelimiter     Delimiter
+hi def link elixirSigilDelimiter             Delimiter
+hi def link elixirPrivateRecordDeclaration   elixirRecordDeclaration

 let b:current_syntax = "elixir"

--- a/syntax/gitrebase.vim
+++ b/syntax/gitrebase.vim
@ -20,8 +20,9 @@ syn match   gitrebaseEdit   "\v^e%(dit)=>"   nextgroup=gitrebaseCommit skipwhite
 syn match   gitrebaseSquash "\v^s%(quash)=>" nextgroup=gitrebaseCommit skipwhite
 syn match   gitrebaseFixup  "\v^f%(ixup)=>"  nextgroup=gitrebaseCommit skipwhite
 syn match   gitrebaseExec   "\v^%(x|exec)>" nextgroup=gitrebaseCommand skipwhite
-syn match   gitrebaseDrop   "\v^d%(rop)=>"   nextgroup=gitrebaseCommit skipwhite
 syn match   gitrebaseBreak  "\v^b%(reak)=>"  nextgroup=gitrebaseCommit skipwhite
+syn match   gitrebaseDrop   "\v^d%(rop)=>"   nextgroup=gitrebaseCommit skipwhite
+syn match   gitrebaseNoop   "\v^noop>"
 syn match   gitrebaseSummary ".*"               contains=gitrebaseHash contained
 syn match   gitrebaseCommand ".*"                                      contained
 syn match   gitrebaseComment "^\s*#.*"             contains=gitrebaseHash
@ -35,8 +36,9 @@ hi def link gitrebaseEdit           PreProc
 hi def link gitrebaseSquash         Type
 hi def link gitrebaseFixup          Special
 hi def link gitrebaseExec           Function
-hi def link gitrebaseDrop           Comment
 hi def link gitrebaseBreak          Macro
+hi def link gitrebaseDrop           Comment
+hi def link gitrebaseNoop           Comment
 hi def link gitrebaseSummary        String
 hi def link gitrebaseComment        Comment
 hi def link gitrebaseSquashError    Error
--- a/syntax/go.vim
+++ b/syntax/go.vim
@ -74,7 +74,7 @@ hi def link     goComment           Comment
 hi def link     goTodo              Todo

 if go#config#HighlightGenerateTags()
-  syn match       goGenerateVariables contained /\(\$GOARCH\|\$GOOS\|\$GOFILE\|\$GOLINE\|\$GOPACKAGE\|\$DOLLAR\)\>/
+  syn match       goGenerateVariables contained /\%(\$GOARCH\|\$GOOS\|\$GOFILE\|\$GOLINE\|\$GOPACKAGE\|\$DOLLAR\)\>/
  syn region      goGenerate          start="^\s*//go:generate" end="$" contains=goGenerateVariables
  hi def link     goGenerate          PreProc
  hi def link     goGenerateVariables Special
@ -115,7 +115,7 @@ if go#config#HighlightFormatStrings()
  " 5. Match [n] or nothing before a verb
  " 6. Match a formatting verb
  syn match       goFormatSpecifier   /\
-        \([^%]\(%%\)*\)\
+        \%([^%]\%(%%\)*\)\
        \@<=%[-#0 +]*\
        \%(\%(\%(\[\d\+\]\)\=\*\)\|\d\+\)\=\
        \%(\.\%(\%(\%(\[\d\+\]\)\=\*\)\|\d\+\)\=\)\=\
@ -150,18 +150,18 @@ endif
 " var, const
 if go#config#FoldEnable('varconst')
  syn region    goVar               start='var ('   end='^\s*)$' transparent fold
-                        \ contains=ALLBUT,goParen,goBlock,goFunction,goTypeName,goReceiverType,goReceiverVar,goArgumentName,goArgumentType,goSimpleArguments,goPointerOperator
+                        \ contains=ALLBUT,goParen,goBlock,goFunction,goTypeName,goReceiverType,goReceiverVar,goParamName,goParamType,goSimpleParams,goPointerOperator
  syn region    goConst             start='const (' end='^\s*)$' transparent fold
-                        \ contains=ALLBUT,goParen,goBlock,goFunction,goTypeName,goReceiverType,goReceiverVar,goArgumentName,goArgumentType,goSimpleArguments,goPointerOperator
+                        \ contains=ALLBUT,goParen,goBlock,goFunction,goTypeName,goReceiverType,goReceiverVar,goParamName,goParamType,goSimpleParams,goPointerOperator
 else
  syn region    goVar               start='var ('   end='^\s*)$' transparent
-                        \ contains=ALLBUT,goParen,goBlock,goFunction,goTypeName,goReceiverType,goReceiverVar,goArgumentName,goArgumentType,goSimpleArguments,goPointerOperator
+                        \ contains=ALLBUT,goParen,goBlock,goFunction,goTypeName,goReceiverType,goReceiverVar,goParamName,goParamType,goSimpleParams,goPointerOperator
  syn region    goConst             start='const (' end='^\s*)$' transparent
-                        \ contains=ALLBUT,goParen,goBlock,goFunction,goTypeName,goReceiverType,goReceiverVar,goArgumentName,goArgumentType,goSimpleArguments,goPointerOperator
+                        \ contains=ALLBUT,goParen,goBlock,goFunction,goTypeName,goReceiverType,goReceiverVar,goParamName,goParamType,goSimpleParams,goPointerOperator
 endif

 " Single-line var, const, and import.
-syn match       goSingleDecl        /\(import\|var\|const\) [^(]\@=/ contains=goImport,goVar,goConst
+syn match       goSingleDecl        /\%(import\|var\|const\) [^(]\@=/ contains=goImport,goVar,goConst

 " Integers
 syn match       goDecimalInt        "\<-\=\d\+\%([Ee][-+]\=\d\+\)\=\>"
@ -192,7 +192,7 @@ hi def link     goImaginaryFloat    Float

 " Spaces after "[]"
 if go#config#HighlightArrayWhitespaceError()
-  syn match goSpaceError display "\(\[\]\)\@<=\s\+"
+  syn match goSpaceError display "\%(\[\]\)\@<=\s\+"
 endif

 " Spacing errors around the 'chan' keyword
@ -201,24 +201,24 @@ if go#config#HighlightChanWhitespaceError()
  "
  " \(\<chan\>\)\@<!<-  (only pick arrow when it doesn't come after a chan)
  " this prevents picking up 'chan<- chan<-' but not '<- chan'
-  syn match goSpaceError display "\(\(\<chan\>\)\@<!<-\)\@<=\s\+\(\<chan\>\)\@="
+  syn match goSpaceError display "\%(\%(\<chan\>\)\@<!<-\)\@<=\s\+\%(\<chan\>\)\@="

  " send-only annotation on chan type
  "
  " \(<-\)\@<!\<chan\>  (only pick chan when it doesn't come after an arrow)
  " this prevents picking up '<-chan <-chan' but not 'chan <-'
-  syn match goSpaceError display "\(\(<-\)\@<!\<chan\>\)\@<=\s\+\(<-\)\@="
+  syn match goSpaceError display "\%(\%(<-\)\@<!\<chan\>\)\@<=\s\+\%(<-\)\@="

  " value-ignoring receives in a few contexts
-  syn match goSpaceError display "\(\(^\|[={(,;]\)\s*<-\)\@<=\s\+"
+  syn match goSpaceError display "\%(\%(^\|[={(,;]\)\s*<-\)\@<=\s\+"
 endif

 " Extra types commonly seen
 if go#config#HighlightExtraTypes()
-  syn match goExtraType /\<bytes\.\(Buffer\)\>/
-  syn match goExtraType /\<context\.\(Context\)\>/
-  syn match goExtraType /\<io\.\(Reader\|ReadSeeker\|ReadWriter\|ReadCloser\|ReadWriteCloser\|Writer\|WriteCloser\|Seeker\)\>/
-  syn match goExtraType /\<reflect\.\(Kind\|Type\|Value\)\>/
+  syn match goExtraType /\<bytes\.\%(Buffer\)\>/
+  syn match goExtraType /\<context\.\%(Context\)\>/
+  syn match goExtraType /\<io\.\%(Reader\|ReadSeeker\|ReadWriter\|ReadCloser\|ReadWriteCloser\|Writer\|WriteCloser\|Seeker\)\>/
+  syn match goExtraType /\<reflect\.\%(Kind\|Type\|Value\)\>/
  syn match goExtraType /\<unsafe\.Pointer\>/
 endif

@ -265,21 +265,22 @@ endif
 hi def link     goOperator          Operator

 " Functions;
-if go#config#HighlightFunctions() || go#config#HighlightFunctionArguments()
-  syn match goDeclaration       /\<func\>/ nextgroup=goReceiver,goFunction,goSimpleArguments skipwhite skipnl
-  syn match goReceiverVar       /\w\+\ze\s\+\(\w\|\*\)/ nextgroup=goPointerOperator,goReceiverType skipwhite skipnl contained
+if go#config#HighlightFunctions() || go#config#HighlightFunctionParameters()
+  syn match goDeclaration       /\<func\>/ nextgroup=goReceiver,goFunction,goSimpleParams skipwhite skipnl
+  syn match goReceiverVar       /\w\+\ze\s\+\%(\w\|\*\)/ nextgroup=goPointerOperator,goReceiverType skipwhite skipnl contained
  syn match goPointerOperator   /\*/ nextgroup=goReceiverType contained skipwhite skipnl
-  syn match goFunction          /\w\+/ nextgroup=goSimpleArguments contained skipwhite skipnl
+  syn match goFunction          /\w\+/ nextgroup=goSimpleParams contained skipwhite skipnl
  syn match goReceiverType      /\w\+/ contained
-if go#config#HighlightFunctionArguments()
-  syn match goSimpleArguments   /(\(\w\|\_s\|[*\.\[\],\{\}<>-]\)*)/ contained contains=goArgumentName nextgroup=goSimpleArguments skipwhite skipnl
-  syn match goArgumentName      /\w\+\(\s*,\s*\w\+\)*\ze\s\+\(\w\|\.\|\*\|\[\)/ contained nextgroup=goArgumentType skipwhite skipnl
-  syn match goArgumentType      /\([^,)]\|\_s\)\+,\?/ contained nextgroup=goArgumentName skipwhite skipnl
-                        \ contains=goVarArgs,goType,goSignedInts,goUnsignedInts,goFloats,goComplexes,goDeclType,goBlock
-  hi def link   goReceiverVar       goArgumentName
-  hi def link   goArgumentName      Identifier
-endif
-  syn match goReceiver          /(\s*\w\+\(\s\+\*\?\s*\w\+\)\?\s*)\ze\s*\w/ contained nextgroup=goFunction contains=goReceiverVar skipwhite skipnl
+  if go#config#HighlightFunctionParameters()
+    syn match goSimpleParams      /(\%(\w\|\_s\|[*\.\[\],\{\}<>-]\)*)/ contained contains=goParamName,goType nextgroup=goFunctionReturn skipwhite skipnl
+    syn match goFunctionReturn   /(\%(\w\|\_s\|[*\.\[\],\{\}<>-]\)*)/ contained contains=goParamName,goType skipwhite skipnl
+    syn match goParamName        /\w\+\%(\s*,\s*\w\+\)*\ze\s\+\%(\w\|\.\|\*\|\[\)/ contained nextgroup=goParamType skipwhite skipnl
+    syn match goParamType        /\%([^,)]\|\_s\)\+,\?/ contained nextgroup=goParamName skipwhite skipnl
+                          \ contains=goVarArgs,goType,goSignedInts,goUnsignedInts,goFloats,goComplexes,goDeclType,goBlock
+    hi def link   goReceiverVar    goParamName
+    hi def link   goParamName      Identifier
+  endif
+  syn match goReceiver          /(\s*\w\+\%(\s\+\*\?\s*\w\+\)\?\s*)\ze\s*\w/ contained nextgroup=goFunction contains=goReceiverVar skipwhite skipnl
 else
  syn keyword goDeclaration func
 endif
@ -293,7 +294,20 @@ hi def link     goFunctionCall      Type

 " Fields;
 if go#config#HighlightFields()
-  syn match goField                 /\.\w\+\([.\ \n\r\:\)\[,]\)\@=/hs=s+1
+  " 1. Match a sequence of word characters coming after a '.'
+  " 2. Require the following but dont match it: ( \@= see :h E59)
+  "    - The symbols: / - + * %   OR
+  "    - The symbols: [] {} <> )  OR
+  "    - The symbols: \n \r space OR
+  "    - The symbols: , : .
+  " 3. Have the start of highlight (hs) be the start of matched
+  "    pattern (s) offsetted one to the right (+1) (see :h E401)
+  syn match       goField   /\.\w\+\
+        \%(\%([\/\-\+*%]\)\|\
+        \%([\[\]{}<\>\)]\)\|\
+        \%([\!=\^|&]\)\|\
+        \%([\n\r\ ]\)\|\
+        \%([,\:.]\)\)\@=/hs=s+1
 endif
 hi def link    goField              Identifier

@ -302,7 +316,7 @@ if go#config#HighlightTypes()
  syn match goTypeConstructor      /\<\w\+{\@=/
  syn match goTypeDecl             /\<type\>/ nextgroup=goTypeName skipwhite skipnl
  syn match goTypeName             /\w\+/ contained nextgroup=goDeclType skipwhite skipnl
-  syn match goDeclType             /\<\(interface\|struct\)\>/ skipwhite skipnl
+  syn match goDeclType             /\<\%(interface\|struct\)\>/ skipwhite skipnl
  hi def link     goReceiverType      Type
 else
  syn keyword goDeclType           struct interface
--- a/syntax/i3config.vim
+++ b/syntax/i3config.vim
@ -55,8 +55,12 @@ syn keyword InitializeKeyword set contained
 syn match Initialize /^\s*set\s\+.*$/ contains=Variable,InitializeKeyword,Color,String

 " Gaps
-syn keyword GapStyleKeyword inner outer current all set plus minus contained
-syn match GapStyle /^\s*\(gaps\)\s\+\(inner\|outer\)\(\s\+\(current\|all\)\)\?\(\s\+\(set\|plus\|minus\)\)\?\(\s\+\d\+\)$/ contains=GapStyleKeyword,number
+syn keyword GapStyleKeyword inner outer horizontal vertical top right bottom left current all set plus minus toggle contained
+syn match GapStyle /^\s*\(gaps\)\s\+\(inner\|outer\|horizontal\|vertical\|left\|top\|right\|bottom\)\(\s\+\(current\|all\)\)\?\(\s\+\(set\|plus\|minus\|toggle\)\)\?\(\s\+\(\d\+\|\$.*\)\)$/ contains=GapStyleKeyword,number,Variable
+syn keyword SmartGapKeyword on inverse_outer contained
+syn match SmartGap /^\s*smart_gaps\s\+\(on\|inverse_outer\)\s\?$/ contains=SmartGapKeyword
+syn keyword SmartBorderKeyword on no_gaps contained
+syn match SmartBorder /^\s*smart_borders\s\+\(on\|no_gaps\)\s\?$/ contains=SmartBorderKeyword

 " Keyboard bindings
 syn keyword Action toggle fullscreen restart key import kill shrink grow contained
@ -87,8 +91,8 @@ syn keyword BorderStyleKeyword none normal pixel contained
 syn match BorderStyle /^\s*\(new_window\|new_float\|default_border\|default_floating_border\)\s\+\(none\|\(normal\|pixel\)\(\s\+\d\+\)\?\)\s\?$/ contains=BorderStyleKeyword,number

 " Hide borders and edges
-syn keyword EdgeKeyword none vertical horizontal both contained
-syn match Edge /^\s*hide_edge_borders\s\+\(none\|vertical\|horizontal\|both\)\s\?$/ contains=EdgeKeyword
+syn keyword EdgeKeyword none vertical horizontal both smart smart_no_gaps contained
+syn match Edge /^\s*hide_edge_borders\s\+\(none\|vertical\|horizontal\|both\|smart\|smart_no_gaps\)\s\?$/ contains=EdgeKeyword

 " Arbitrary commands for specific windows (for_window)
 syn keyword CommandKeyword for_window contained
@ -187,6 +191,8 @@ hi! def link OrientationKeyword Type
 hi! def link MouseWarpingType Type
 hi! def link FocusFollowsMouseType Type
 hi! def link GapStyleKeyword Type
+hi! def link SmartGapKeyword Type
+hi! def link SmartBorderKeyword Type
 hi! def link LayoutKeyword Type
 hi! def link BorderStyleKeyword Type
 hi! def link EdgeKeyword Type
@ -215,6 +221,8 @@ hi! def link FontKeyword Identifier
 hi! def link BindKeyword Identifier
 hi! def link Orientation Identifier
 hi! def link GapStyle Identifier
+hi! def link SmartGap Identifier
+hi! def link SmartBorder Identifier
 hi! def link Layout Identifier
 hi! def link BorderStyle Identifier
 hi! def link Edge Identifier
@ -239,7 +247,7 @@ hi! def link FocusOnActivationKeyword Identifier
 hi! def link DrawingMarksKeyword Identifier
 hi! def link BlockKeyword Identifier
 hi! def link Variable Statement
-hi! def link ArbitraryCommand Ignore
+hi! def link ArbitraryCommand Type

 let b:current_syntax = "i3config"

--- a/syntax/javascript.vim
+++ b/syntax/javascript.vim
@ -138,8 +138,8 @@ syntax keyword jsHtmlEvents     onblur onclick oncontextmenu ondblclick onfocus
 syntax region  jsBracket                      matchgroup=jsBrackets            start=/\[/ end=/\]/ contains=@jsExpression,jsSpreadExpression extend fold
 syntax region  jsParen                        matchgroup=jsParens              start=/(/  end=/)/  contains=@jsExpression extend fold nextgroup=jsFlowDefinition
 syntax region  jsParenDecorator     contained matchgroup=jsParensDecorator     start=/(/  end=/)/  contains=@jsAll extend fold
-syntax region  jsParenIfElse        contained matchgroup=jsParensIfElse        start=/(/  end=/)/  contains=@jsAll skipwhite skipempty nextgroup=jsCommentIfElse,jsIfElseBlock extend fold
-syntax region  jsParenRepeat        contained matchgroup=jsParensRepeat        start=/(/  end=/)/  contains=@jsAll skipwhite skipempty nextgroup=jsCommentRepeat,jsRepeatBlock extend fold
+syntax region  jsParenIfElse        contained matchgroup=jsParensIfElse        start=/(/  end=/)/  contains=@jsAll skipwhite skipempty nextgroup=jsCommentIfElse,jsIfElseBlock,jsReturn extend fold
+syntax region  jsParenRepeat        contained matchgroup=jsParensRepeat        start=/(/  end=/)/  contains=@jsAll skipwhite skipempty nextgroup=jsCommentRepeat,jsRepeatBlock,jsReturn extend fold
 syntax region  jsParenSwitch        contained matchgroup=jsParensSwitch        start=/(/  end=/)/  contains=@jsAll skipwhite skipempty nextgroup=jsSwitchBlock extend fold
 syntax region  jsParenCatch         contained matchgroup=jsParensCatch         start=/(/  end=/)/  skipwhite skipempty nextgroup=jsTryCatchBlock extend fold
 syntax region  jsFuncArgs           contained matchgroup=jsFuncParens          start=/(/  end=/)/  contains=jsFuncArgCommas,jsComment,jsFuncArgExpression,jsDestructuringBlock,jsDestructuringArray,jsRestExpression,jsFlowArgumentDef skipwhite skipempty nextgroup=jsCommentFunction,jsFuncBlock,jsFlowReturn extend fold
@ -157,7 +157,7 @@ syntax region  jsBlock                        matchgroup=jsBraces              s
 syntax region  jsModuleGroup        contained matchgroup=jsModuleBraces        start=/{/ end=/}/   contains=jsModuleKeyword,jsModuleComma,jsModuleAs,jsComment,jsFlowTypeKeyword skipwhite skipempty nextgroup=jsFrom fold
 syntax region  jsSpreadExpression   contained matchgroup=jsSpreadOperator      start=/\.\.\./ end=/[,}\]]\@=/ contains=@jsExpression
 syntax region  jsRestExpression     contained matchgroup=jsRestOperator        start=/\.\.\./ end=/[,)]\@=/
-syntax region  jsTernaryIf                    matchgroup=jsTernaryIfOperator   start=/?/  end=/\%(:\|}\@=\)/  contains=@jsExpression extend skipwhite skipempty nextgroup=@jsExpression
+syntax region  jsTernaryIf                    matchgroup=jsTernaryIfOperator   start=/?:\@!/  end=/\%(:\|}\@=\)/  contains=@jsExpression extend skipwhite skipempty nextgroup=@jsExpression
 syntax match   jsOperator       /?\.\ze\_D/

 syntax match   jsGenerator            contained /\*/ skipwhite skipempty nextgroup=jsFuncName,jsFuncArgs,jsFlowFunctionGroup
--- a/syntax/julia.vim
+++ b/syntax/julia.vim
@ -156,37 +156,41 @@ syntax region  juliaParBlockInRange	matchgroup=juliaParDelim contained start="("
 syntax region  juliaSqBraBlock		matchgroup=juliaParDelim start="\[" end="\]" contains=@juliaExpressions,juliaParBlockInRange,juliaRangeEnd,juliaComprehensionFor,juliaSymbolS,juliaQuotedParBlockS,juliaQuotedQMarkParS
 syntax region  juliaCurBraBlock		matchgroup=juliaParDelim start="{" end="}" contains=@juliaExpressions

-syntax match   juliaKeyword		display "\<\%(return\|local\|global\|import\%(all\)\?\|export\|using\|const\|where\)\>"
+" This is really ugly. It would be better to mask most keywords when a dot is
+" found, introducing some kind of dot-environment
+let s:nodot = '\%(\.\)\@'.s:d(1).'1<!'
+
+exec 'syntax match   juliaKeyword		display "'.s:nodot.'\<\%(return\|local\|global\|import\%(all\)\?\|export\|using\|const\|where\)\>"'
 syntax match   juliaInfixKeyword	display "\%(=\s*\)\@<!\<\%(in\|isa\)\>\S\@!\%(\s*=\)\@!"
-syntax match   juliaRepKeyword		display "\<\%(break\|continue\)\>"
-syntax region  juliaConditionalBlock	matchgroup=juliaConditional start="\<if\>" end="\<end\>" contains=@juliaExpressions,juliaConditionalEIBlock,juliaConditionalEBlock fold
-syntax region  juliaConditionalEIBlock	matchgroup=juliaConditional transparent contained start="\<elseif\>" end="\<\%(end\|else\|elseif\)\>"me=s-1 contains=@juliaExpressions,juliaConditionalEIBlock,juliaConditionalEBlock
-syntax region  juliaConditionalEBlock	matchgroup=juliaConditional transparent contained start="\<else\>" end="\<end\>"me=s-1 contains=@juliaExpressions
-syntax region  juliaWhileBlock		matchgroup=juliaRepeat start="\<while\>" end="\<end\>" contains=@juliaExpressions fold
-syntax region  juliaForBlock		matchgroup=juliaRepeat start="\<for\>" end="\<end\>" contains=@juliaExpressions,juliaOuter fold
-syntax region  juliaBeginBlock		matchgroup=juliaBlKeyword start="\<begin\>" end="\<end\>" contains=@juliaExpressions fold
-syntax region  juliaFunctionBlock	matchgroup=juliaBlKeyword start="\<function\>" end="\<end\>" contains=@juliaExpressions fold
-syntax region  juliaMacroBlock		matchgroup=juliaBlKeyword start="\<macro\>" end="\<end\>" contains=@juliaExpressions fold
-syntax region  juliaQuoteBlock		matchgroup=juliaBlKeyword start="\<quote\>" end="\<end\>" contains=@juliaExpressions fold
+exec 'syntax match   juliaRepKeyword		display "'.s:nodot.'\<\%(break\|continue\)\>"'
+exec 'syntax region  juliaConditionalBlock	matchgroup=juliaConditional start="'.s:nodot.'\<if\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions,juliaConditionalEIBlock,juliaConditionalEBlock fold'
+exec 'syntax region  juliaConditionalEIBlock	matchgroup=juliaConditional transparent contained start="'.s:nodot.'\<elseif\>" end="'.s:nodot.'\<\%(end\|else\|elseif\)\>"me=s-1 contains=@juliaExpressions,juliaConditionalEIBlock,juliaConditionalEBlock'
+exec 'syntax region  juliaConditionalEBlock	matchgroup=juliaConditional transparent contained start="'.s:nodot.'\<else\>" end="'.s:nodot.'\<end\>"me=s-1 contains=@juliaExpressions'
+exec 'syntax region  juliaWhileBlock		matchgroup=juliaRepeat start="'.s:nodot.'\<while\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions fold'
+exec 'syntax region  juliaForBlock		matchgroup=juliaRepeat start="'.s:nodot.'\<for\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions,juliaOuter fold'
+exec 'syntax region  juliaBeginBlock		matchgroup=juliaBlKeyword start="'.s:nodot.'\<begin\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions fold'
+exec 'syntax region  juliaFunctionBlock	matchgroup=juliaBlKeyword start="'.s:nodot.'\<function\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions fold'
+exec 'syntax region  juliaMacroBlock		matchgroup=juliaBlKeyword start="'.s:nodot.'\<macro\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions fold'
+exec 'syntax region  juliaQuoteBlock		matchgroup=juliaBlKeyword start="'.s:nodot.'\<quote\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions fold'
 if b:julia_syntax_version <= 10
-  syntax region  juliaTypeBlock		matchgroup=juliaBlKeyword06 start="\<type\>" end="\<end\>" contains=@juliaExpressions fold
-  syntax region  juliaImmutableBlock	matchgroup=juliaBlKeyword06 start="\<immutable\>" end="\<end\>" contains=@juliaExpressions fold
+  exec 'syntax region  juliaTypeBlock		matchgroup=juliaBlKeyword06 start="'.s:nodot.'\<type\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions fold'
+  exec 'syntax region  juliaImmutableBlock	matchgroup=juliaBlKeyword06 start="'.s:nodot.'\<immutable\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions fold'
 endif
-syntax region  juliaStructBlock		matchgroup=juliaBlKeyword start="\<struct\>" end="\<end\>" contains=@juliaExpressions fold
-syntax region  juliaMutableStructBlock	matchgroup=juliaBlKeyword start="\<mutable struct\>" end="\<end\>" contains=@juliaExpressions fold
-syntax region  juliaLetBlock		matchgroup=juliaBlKeyword start="\<let\>" end="\<end\>" contains=@juliaExpressions fold
-syntax region  juliaDoBlock		matchgroup=juliaBlKeyword start="\<do\>" end="\<end\>" contains=@juliaExpressions fold
+exec 'syntax region  juliaStructBlock		matchgroup=juliaBlKeyword start="'.s:nodot.'\<struct\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions fold'
+exec 'syntax region  juliaMutableStructBlock	matchgroup=juliaBlKeyword start="'.s:nodot.'\<mutable struct\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions fold'
+exec 'syntax region  juliaLetBlock		matchgroup=juliaBlKeyword start="'.s:nodot.'\<let\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions fold'
+exec 'syntax region  juliaDoBlock		matchgroup=juliaBlKeyword start="'.s:nodot.'\<do\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions fold'
 exec 'syntax region  juliaModuleBlock		matchgroup=juliaBlKeyword start="\%(\%(\.\s*\)\@'.s:d(6).'<!\|\%(@\s*\.\s*\)\@'.s:d(6).'<=\)\<\%(bare\)\?module\>" end="\<end\>" contains=@juliaExpressions fold'
-syntax region  juliaExceptionBlock	matchgroup=juliaException start="\<try\>" end="\<end\>" contains=@juliaExpressions,juliaCatchBlock,juliaFinallyBlock fold
-syntax region  juliaCatchBlock		matchgroup=juliaException transparent contained start="\<catch\>" end="\<end\>"me=s-1 contains=@juliaExpressions,juliaFinallyBlock
-syntax region  juliaFinallyBlock	matchgroup=juliaException transparent contained start="\<finally\>" end="\<end\>"me=s-1 contains=@juliaExpressions
-syntax match   juliaTypedef		"\<\%(abstract\|typealias\|bitstype\)\>"
+exec 'syntax region  juliaExceptionBlock	matchgroup=juliaException start="'.s:nodot.'\<try\>" end="'.s:nodot.'\<end\>" contains=@juliaExpressions,juliaCatchBlock,juliaFinallyBlock fold'
+exec 'syntax region  juliaCatchBlock		matchgroup=juliaException transparent contained start="'.s:nodot.'\<catch\>" end="'.s:nodot.'\<end\>"me=s-1 contains=@juliaExpressions,juliaFinallyBlock'
+exec 'syntax region  juliaFinallyBlock	matchgroup=juliaException transparent contained start="'.s:nodot.'\<finally\>" end="'.s:nodot.'\<end\>"me=s-1 contains=@juliaExpressions'
+exec 'syntax match   juliaTypedef		"'.s:nodot.'\<\%(abstract\|typealias\|bitstype\)\>"'
 " AbstractBlock needs to come after to take precedence
-syntax region  juliaAbstractBlock	matchgroup=juliaBlKeyword start="\<abstract type\>" end="\<end\>" fold contains=@juliaExpressions
-syntax region  juliaPrimitiveBlock	matchgroup=juliaBlKeyword start="\<primitive type\>" end="\<end\>" fold contains=@juliaExpressions
+exec 'syntax region  juliaAbstractBlock	matchgroup=juliaBlKeyword start="'.s:nodot.'\<abstract type\>" end="'.s:nodot.'\<end\>" fold contains=@juliaExpressions'
+exec 'syntax region  juliaPrimitiveBlock	matchgroup=juliaBlKeyword start="'.s:nodot.'\<primitive type\>" end="'.s:nodot.'\<end\>" fold contains=@juliaExpressions'

 exec 'syntax region  juliaComprehensionFor	matchgroup=juliaComprehensionFor transparent contained start="\%([^[:space:],;:({[]\_s*\)\@'.s:d(80).'<=\<for\>" end="\ze[]);]" contains=@juliaExpressions,juliaComprehensionIf,juliaComprehensionFor'
-syntax match   juliaComprehensionIf	contained "\<if\>"
+exec 'syntax match   juliaComprehensionIf	contained "'.s:nodot.'\<if\>"'

 exec 'syntax match   juliaOuter    contained "\<outer\ze\s\+' . s:idregex . '\>"'

@ -219,7 +223,7 @@ syntax match   juliaBaseTypeRange	display "\<\%(Dims\|RangeIndex\|\%(Ordinal\|St
 syntax match   juliaBaseTypeRange06	display "\<Range\>"
 syntax match   juliaBaseTypeRange1011	display "\<\(Abstract\|Lin\)Range\>"
 syntax match   juliaBaseTypeRegex	display "\<Regex\%(Match\)\?\>"
-syntax match   juliaBaseTypeFact	display "\<Factorization\>"
+syntax match   juliaBaseTypeFact	display "\<\%(Factorization\|BunchKaufman\|\%(Cholesky\|QR\)\%(Pivoted\)\?\|\%(Generalized\)\?\%(Eigen\|SVD\|Schur\)\|Hessenberg\|LDLt\|LQ\|LU\)\>"
 syntax match   juliaBaseTypeSort	display "\<\%(Insertion\|\(Partial\)\?Quick\|Merge\)Sort\>"
 syntax match   juliaBaseTypeRound	display "\<Round\%(ingMode\|FromZero\|Down\|Nearest\%(Ties\%(Away\|Up\)\)\?\|ToZero\|Up\)\>"
 syntax match   juliaBaseTypeSpecial	display "\<\%(LocalProcess\|ClusterManager\)\>"
--- a/syntax/kotlin.vim
+++ b/syntax/kotlin.vim
@ -3,7 +3,7 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'kotlin') == -1
 " Vim syntax file
 " Language: Kotlin
 " Maintainer: Alexander Udalov
-" Latest Revision: 23 November 2017
+" Latest Revision: 14 January 2019

 if exists("b:current_syntax")
    finish
@ -36,6 +36,12 @@ syn match ktShebang "\v^#!.*$"
 syn match ktLineComment "\v//.*$" contains=ktTodo,@Spell
 syn region ktComment matchgroup=ktCommentMatchGroup start="/\*" end="\*/" contains=ktComment,ktTodo,@Spell

+syn region ktDocComment start="/\*\*" end="\*/" contains=ktDocTag,ktTodo,@Spell
+syn match ktDocTag "\v\@(author|constructor|receiver|return|since|suppress)>" contained
+syn match ktDocTag "\v\@(exception|param|property|throws|see|sample)>\s*\S+" contains=ktDocTagParam contained
+syn match ktDocTagParam "\v(\s|\[)\S+" contained
+syn match ktComment "/\*\*/"
+
 syn match ktSpecialCharError "\v\\." contained
 syn match ktSpecialChar "\v\\([tbnr'"$\\]|u\x{4})" contained
 syn region ktString start='"' skip='\\"' end='"' contains=ktSimpleInterpolation,ktComplexInterpolation,ktSpecialChar,ktSpecialCharError
@ -49,11 +55,11 @@ syn match ktAnnotation "\v(\w)@<!\@[[:alnum:]_.]*(:[[:alnum:]_.]*)?"
 syn match ktLabel "\v\w+\@"

 syn match ktSimpleInterpolation "\v\$\h\w*" contained
-syn region ktComplexInterpolation matchgroup=ktComplexInterpolationBrace start="\v\$\{" end="\v\}" contains=ALLBUT,ktSimpleInterpolation
+syn region ktComplexInterpolation matchgroup=ktComplexInterpolationBrace start="\v\$\{" end="\v\}" contains=ALLBUT,ktSimpleInterpolation,ktTodo,ktSpecialCharError,ktSpecialChar,ktDocTag,ktDocTagParam

-syn match ktNumber "\v<\d+[_[:digit:]]*[LFf]?"
-syn match ktNumber "\v<0[Xx]\x+[_[:xdigit:]]*L?"
-syn match ktNumber "\v<0[Bb][01]+[_01]*L?"
+syn match ktNumber "\v<\d+[_[:digit:]]*(uL?|UL?|[LFf])?"
+syn match ktNumber "\v<0[Xx]\x+[_[:xdigit:]]*(uL?|UL?|L)?"
+syn match ktNumber "\v<0[Bb][01]+[_01]*(uL?|UL?|L)?"
 syn match ktFloat "\v<\d*(\d[eE][-+]?\d+|\.\d+([eE][-+]?\d+)?)[Ff]?"

 syn match ktEscapedName "\v`.*`"
@ -86,6 +92,9 @@ hi link ktShebang Comment
 hi link ktLineComment Comment
 hi link ktComment Comment
 hi link ktCommentMatchGroup Comment
+hi link ktDocComment Comment
+hi link ktDocTag Special
+hi link ktDocTagParam Identifier

 hi link ktSpecialChar SpecialChar
 hi link ktSpecialCharError Error
--- a/syntax/markdown.vim
+++ b/syntax/markdown.vim
@ -38,10 +38,14 @@ syn sync linebreaks=1

 let s:conceal = ''
 let s:concealends = ''
+let s:concealcode = ''
 if has('conceal') && get(g:, 'vim_markdown_conceal', 1)
  let s:conceal = ' conceal'
  let s:concealends = ' concealends'
 endif
+if has('conceal') && get(g:, 'vim_markdown_conceal_code_blocks', 1)
+  let s:concealcode = ' concealends'
+endif

 " additions to HTML groups
 if get(g:, 'vim_markdown_emphasis_multiline', 1)
@ -96,13 +100,13 @@ syn match  htmlH2       /^.\+\n-\+$/ contains=mkdLink,mkdInlineURL,@Spell
 "define Markdown groups
 syn match  mkdLineBreak    /  \+$/
 syn region mkdBlockquote   start=/^\s*>/                   end=/$/ contains=mkdLink,mkdInlineURL,mkdLineBreak,@Spell
-execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!`/                     end=/\(\([^\\]\|^\)\\\)\@<!`/'  . s:concealends
-execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!``/ skip=/[^`]`[^`]/   end=/\(\([^\\]\|^\)\\\)\@<!``/' . s:concealends
-execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/^\s*\z(`\{3,}\)[^`]*$/                       end=/^\s*\z1`*\s*$/'            . s:concealends
-execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!\~\~/  end=/\(\([^\\]\|^\)\\\)\@<!\~\~/'               . s:concealends
-execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/^\s*\z(\~\{3,}\)\s*[0-9A-Za-z_+-]*\s*$/      end=/^\s*\z1\~*\s*$/'           . s:concealends
-execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start="<pre[^>]*\\\@<!>"                            end="</pre>"'                   . s:concealends
-execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start="<code[^>]*\\\@<!>"                           end="</code>"'                  . s:concealends
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!`/                     end=/`/'  . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!``/ skip=/[^`]`[^`]/   end=/\(\([^\\]\|^\)\\\)\@<!``/' . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/^\s*\z(`\{3,}\)[^`]*$/                       end=/^\s*\z1`*\s*$/'            . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/\(\([^\\]\|^\)\\\)\@<!\~\~/  end=/\(\([^\\]\|^\)\\\)\@<!\~\~/'               . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start=/^\s*\z(\~\{3,}\)\s*[0-9A-Za-z_+-]*\s*$/      end=/^\s*\z1\~*\s*$/'           . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start="<pre[^>]*\\\@<!>"                            end="</pre>"'                   . s:concealcode
+execute 'syn region mkdCode matchgroup=mkdCodeDelimiter start="<code[^>]*\\\@<!>"                           end="</code>"'                  . s:concealcode
 syn region mkdFootnote     start="\[^"                     end="\]"
 syn match  mkdCode         /^\s*\n\(\(\s\{8,}[^ ]\|\t\t\+[^\t]\).*\n\)\+/
 syn match  mkdCode         /\%^\(\(\s\{4,}[^ ]\|\t\+[^\t]\).*\n\)\+/
@ -147,7 +151,13 @@ if get(g:, 'vim_markdown_math', 0)
  syn region mkdMath start="\\\@<!\$\$" end="\$\$" skip="\\\$" contains=@tex keepend
 endif

-syn cluster mkdNonListItem contains=@htmlTop,htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdInlineURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6,mkdMath
+" Strike through
+if get(g:, 'vim_markdown_strikethrough', 0)
+    syn region mkdStrike matchgroup=mkdStrike start="\%(\~\~\)"    end="\%(\~\~\)"
+    HtmlHiLink mkdStrike        htmlStrike
+endif
+
+syn cluster mkdNonListItem contains=@htmlTop,htmlItalic,htmlBold,htmlBoldItalic,mkdFootnotes,mkdInlineURL,mkdLink,mkdLinkDef,mkdLineBreak,mkdBlockquote,mkdCode,mkdRule,htmlH1,htmlH2,htmlH3,htmlH4,htmlH5,htmlH6,mkdMath,htmlStrike

 "highlighting for Markdown groups
 HtmlHiLink mkdString        String
--- a/syntax/mustache.vim
+++ b/syntax/mustache.vim
@ -44,7 +44,7 @@ endif
 syntax match mustacheError '}}}\?'
 syntax match mustacheInsideError '{{[{$#<>=!\/]\?'
 syntax region mustacheInside start=/{{[^!][$#^/]\?/ end=/}}}\?/ keepend containedin=TOP,@htmlMustacheContainer
-syntax match mustacheOperators '=\|\.\|/' contained containedin=mustacheInside,mustacheParam,@htmlMustacheContainer
+syntax match mustacheOperators '=\|\.\|/' contained containedin=mustacheInside,mustacheParam
 syntax region mustacheHtmlValue start=/={{[^!][$#^/]\?/rs=s+1,hs=s+1 end=/}}/ oneline keepend contained containedin=htmlTag contains=mustacheInside
 syntax region mustachePartial start=/{{[<>]/lc=2 end=/}}/me=e-2 contained containedin=mustacheInside,@htmlMustacheContainer
 syntax region mustacheMarkerSet start=/{{=/lc=2 end=/=}}/me=e-2 contained containedin=mustacheInside,@htmlMustacheContainer
--- a/syntax/pug.vim
+++ b/syntax/pug.vim
@ -32,16 +32,17 @@ syn region  pugJavascript matchgroup=pugJavascriptOutputChar start="[!&]\==\|\~"
 syn region  pugJavascript matchgroup=pugJavascriptChar start="-" skip=",\s*$" end="$" contained contains=@htmlJavascript keepend
 syn cluster pugTop contains=pugBegin,pugComment,pugHtmlComment,pugJavascript
 syn match   pugBegin "^\s*\%([<>]\|&[^=~ ]\)\@!" nextgroup=pugTag,pugClassChar,pugIdChar,pugPlainChar,pugJavascript,pugScriptConditional,pugScriptStatement,pugPipedText
-syn match   pugTag "+\?[[:alnum:]_-]\+\%(:\w\+\)\=" contained contains=htmlTagName,htmlSpecialTagName nextgroup=@pugComponent
+syn match   pugTag "+\?[[:alnum:]_-]\+\%(:\w\+\)\=" contained contains=htmlTagName,htmlSpecialTagName,pugJavascript nextgroup=@pugComponent
 syn cluster pugComponent contains=pugAttributes,pugIdChar,pugBlockExpansionChar,pugClassChar,pugPlainChar,pugJavascript,pugTagBlockChar,pugTagInlineText
-syntax keyword pugCommentTodo  contained TODO FIXME XXX TBD
+syn keyword pugCommentTodo  contained TODO FIXME XXX TBD
 syn match   pugComment '\(\s\+\|^\)\/\/.*$' contains=pugCommentTodo,@Spell
 syn region  pugCommentBlock start="\z(\s\+\|^\)\/\/.*$" end="^\%(\z1\s\|\s*$\)\@!" contains=pugCommentTodo,@Spell keepend
 syn region  pugHtmlConditionalComment start="<!--\%(.*\)>" end="<!\%(.*\)-->" contains=pugCommentTodo,@Spell
 syn region  pugAngular2 start="(" end=")" contains=htmlEvent
 syn region  pugJavascriptString start=+"+  skip=+\\\("\|$\)+  end=+"\|$+ contained
 syn region  pugJavascriptString start=+'+  skip=+\\\('\|$\)+  end=+'\|$+ contained
-syn region  pugAttributes matchgroup=pugAttributesDelimiter start="(" end=")" contained contains=pugJavascriptString,pugHtmlArg,pugAngular2,htmlArg,htmlEvent,htmlCssDefinition nextgroup=@pugComponent
+syn region  pugJavascriptString start=+`+  skip=+\\\(`\|$\)+  end=+`\|$+ contains=javascriptInterpolation contained
+syn region  pugAttributes matchgroup=pugAttributesDelimiter start="(" end="\(.\zs)\)\|)" contained contains=pugJavascriptString,pugHtmlArg,pugAngular2,htmlArg,htmlEvent,htmlCssDefinition nextgroup=@pugComponent
 syn match   pugClassChar "\." containedin=htmlTagName nextgroup=pugClass
 syn match   pugBlockExpansionChar ":\s\+" contained nextgroup=pugTag,pugClassChar,pugIdChar
 syn match   pugIdChar "#[[{]\@!" contained nextgroup=pugId
@ -71,9 +72,10 @@ syn region  pugPlainFilter matchgroup=pugFilter start="^\z(\s*\):\%(sass\|less\|
 syn match  pugScriptConditional "^\s*\<\%(if\|else\|else if\|elif\|unless\|while\|until\|case\|when\|default\)\>[?!]\@!"
 syn match  pugScriptStatement "^\s*\<\%(each\|for\|block\|prepend\|append\|mixin\|extends\|include\)\>[?!]\@!"
 syn region  pugScriptLoopRegion start="^\s*\(for \)" end="$" contains=pugScriptLoopKeywords
-syn keyword  pugScriptLoopKeywords for in contained
+syn keyword  pugScriptLoopKeywords for in

 syn region  pugJavascript start="^\z(\s*\)script\%(:\w\+\)\=" end="^\%(\z1\s\|\s*$\)\@!" contains=@htmlJavascript,pugJavascriptTag,pugCoffeescriptFilter keepend
+syn region javascriptInterpolation start=/${/ end=/}/ contained

 syn region  pugCoffeescriptFilter matchgroup=pugFilter start="^\z(\s*\):coffee-\?script\s*$" end="^\%(\z1\s\|\s*$\)\@!" contains=@htmlCoffeescript contained
 syn region  pugJavascriptTag contained start="^\z(\s*\)script\%(:\w\+\)\=" end="$" contains=pugBegin,pugTag
@ -104,6 +106,7 @@ hi def link pugComment                Comment
 hi def link pugCommentBlock           Comment
 hi def link pugHtmlConditionalComment pugComment
 hi def link pugJavascriptString       String
+hi def link javascriptInterpolation   Delimiter

 let b:current_syntax = "pug"

--- a/syntax/python.vim
+++ b/syntax/python.vim
@ -46,6 +46,7 @@ if s:Enabled('g:python_highlight_all')
  if s:Enabled('g:python_highlight_builtins')
    call s:EnableByDefault('g:python_highlight_builtin_objs')
    call s:EnableByDefault('g:python_highlight_builtin_funcs')
+    call s:EnableByDefault('g:python_highlight_builtin_types')
  endif
  call s:EnableByDefault('g:python_highlight_exceptions')
  call s:EnableByDefault('g:python_highlight_string_formatting')
@ -94,7 +95,7 @@ else
  syn match   pythonStatement   '\<async\s\+def\>' nextgroup=pythonFunction skipwhite
  syn match   pythonStatement   '\<async\s\+with\>'
  syn match   pythonStatement   '\<async\s\+for\>'
-  syn cluster pythonExpression contains=pythonStatement,pythonRepeat,pythonConditional,pythonOperator,pythonNumber,pythonHexNumber,pythonOctNumber,pythonBinNumber,pythonFloat,pythonString,pythonBytes,pythonBoolean,pythonBuiltinObj,pythonBuiltinFunc
+  syn cluster pythonExpression contains=pythonStatement,pythonRepeat,pythonConditional,pythonOperator,pythonNumber,pythonHexNumber,pythonOctNumber,pythonBinNumber,pythonFloat,pythonString,pythonBytes,pythonBoolean,pythonNone,pythonSingleton,pythonBuiltinObj,pythonBuiltinFunc,pythonBuiltinType
 endif


@ -328,18 +329,17 @@ else

  syn match   pythonFloat       '\.\d\%([_0-9]*\d\)\=\%([eE][+-]\=\d\%([_0-9]*\d\)\=\)\=[jJ]\=\>' display
  syn match   pythonFloat       '\<\d\%([_0-9]*\d\)\=[eE][+-]\=\d\%([_0-9]*\d\)\=[jJ]\=\>' display
-  syn match   pythonFloat       '\<\d\%([_0-9]*\d\)\=\.\d\%([_0-9]*\d\)\=\%([eE][+-]\=\d\%([_0-9]*\d\)\=\)\=[jJ]\=' display
+  syn match   pythonFloat       '\<\d\%([_0-9]*\d\)\=\.\d\=\%([_0-9]*\d\)\=\%([eE][+-]\=\d\%([_0-9]*\d\)\=\)\=[jJ]\=' display
 endif

 "
-" Builtin objects and types
+" Builtin objects
 "

 if s:Enabled('g:python_highlight_builtin_objs')
  syn keyword pythonNone        None
  syn keyword pythonBoolean     True False
-  syn keyword pythonBuiltinObj  Ellipsis NotImplemented
-  syn match pythonBuiltinObj    '\v\.@<!<%(object|bool|int|float|tuple|str|list|dict|set|frozenset|bytearray|bytes)>'
+  syn keyword pythonSingleton   Ellipsis NotImplemented
  syn keyword pythonBuiltinObj  __debug__ __doc__ __file__ __name__ __package__
  syn keyword pythonBuiltinObj  __loader__ __spec__ __path__ __cached__
 endif
@ -357,7 +357,7 @@ if s:Enabled('g:python_highlight_builtin_funcs')
      let s:funcs_re .= '|print'
    endif
  else
-      let s:funcs_re .= '|ascii|exec|print'
+      let s:funcs_re .= '|ascii|breakpoint|exec|print'
  endif

  let s:funcs_re = 'syn match pythonBuiltinFunc ''\v\.@<!\zs<%(' . s:funcs_re . ')>'
@ -370,12 +370,21 @@ if s:Enabled('g:python_highlight_builtin_funcs')
  unlet s:funcs_re
 endif

+"
+" Builtin types
+"
+
+if s:Enabled('g:python_highlight_builtin_types')
+  syn match pythonBuiltinType    '\v\.@<!<%(object|bool|int|float|tuple|str|list|dict|set|frozenset|bytearray|bytes)>'
+endif
+
+
 "
 " Builtin exceptions and warnings
 "

 if s:Enabled('g:python_highlight_exceptions')
-    let s:exs_re = 'BaseException|Exception|ArithmeticError|LookupError|EnvironmentError|AssertionError|AttributeError|BufferError|EOFError|FloatingPointError|GeneratorExit|IOError|ImportError|IndexError|KeyError|KeyboardInterrupt|MemoryError|NameError|NotImplementedError|OSError|OverflowError|ReferenceError|RuntimeError|StopIteration|SyntaxError|IndentationError|TabError|SystemError|SystemExit|TypeError|UnboundLocalError|UnicodeError|UnicodeEncodeError|UnicodeDecodeError|UnicodeTranslateError|ValueError|VMSError|WindowsError|ZeroDivisionError|Warning|UserWarning|BytesWarning|DeprecationWarning|PendingDepricationWarning|SyntaxWarning|RuntimeWarning|FutureWarning|ImportWarning|UnicodeWarning'
+    let s:exs_re = 'BaseException|Exception|ArithmeticError|LookupError|EnvironmentError|AssertionError|AttributeError|BufferError|EOFError|FloatingPointError|GeneratorExit|IOError|ImportError|IndexError|KeyError|KeyboardInterrupt|MemoryError|NameError|NotImplementedError|OSError|OverflowError|ReferenceError|RuntimeError|StopIteration|SyntaxError|IndentationError|TabError|SystemError|SystemExit|TypeError|UnboundLocalError|UnicodeError|UnicodeEncodeError|UnicodeDecodeError|UnicodeTranslateError|ValueError|VMSError|WindowsError|ZeroDivisionError|Warning|UserWarning|BytesWarning|DeprecationWarning|PendingDeprecationWarning|SyntaxWarning|RuntimeWarning|FutureWarning|ImportWarning|UnicodeWarning'

  if s:Python2Syntax()
      let s:exs_re .= '|StandardError'
@ -416,7 +425,6 @@ if v:version >= 508 || !exists('did_python_syn_inits')

  HiLink pythonDecorator        Define
  HiLink pythonDottedName       Function
-  HiLink pythonDot              Normal

  HiLink pythonComment          Comment
  if !s:Enabled('g:python_highlight_file_headers_as_comments')
@ -472,9 +480,11 @@ if v:version >= 508 || !exists('did_python_syn_inits')

  HiLink pythonBoolean          Boolean
  HiLink pythonNone             Constant
+  HiLink pythonSingleton        Constant

-  HiLink pythonBuiltinObj       Structure
+  HiLink pythonBuiltinObj       Identifier
  HiLink pythonBuiltinFunc      Function
+  HiLink pythonBuiltinType      Structure

  HiLink pythonExClass          Structure
  HiLink pythonClassVar         Identifier
--- a/syntax/racket.vim
+++ b/syntax/racket.vim
@ -57,6 +57,14 @@ syn keyword racketSyntax define* define*-values define*-syntax define*-syntaxes
 syn keyword racketSyntax package? package-exported-identifiers package-original-identifiers
 syn keyword racketSyntax block #%stratified-body

+" 8 Contracts
+" 8.2 Function contracts
+syn keyword racketSyntax -> ->* ->i ->d case-> dynamic->* unconstrained-domain->
+
+" 8.6.1 Nested Contract Boundaries
+syn keyword racketSyntax with-contract define/contract define-struct/contract
+syn keyword racketSyntax invariant-assertion current-contract-region
+
 " 9 Pattern Matching
 syn keyword racketSyntax match match* match/values define/match
 syn keyword racketSyntax match-lambda match-lambda* match-lambda**
@ -75,6 +83,9 @@ syn keyword racketSyntax reset-at shift-at prompt0 reset0 control0 shift0
 syn keyword racketSyntax prompt0-at reset0-at control0-at shift0-at
 syn keyword racketSyntax set cupto

+" 11.3.2 Parameters
+syn keyword racketSyntax parameterize parameterize*
+
 " 12.5 Writing
 syn keyword racketSyntax write display displayln print
 syn keyword racketSyntax fprintf printf eprintf format
@ -93,7 +104,8 @@ syn keyword racketSyntax make-custodian-box custodian-box-value
 " lambda sign
 syn match racketSyntax /\<[\u03bb]\>/

-" Functions
+
+" Functions ==================================================================

 syn keyword racketFunc boolean? not equal? eqv? eq? equal?/recur immutable?
 syn keyword racketFunc true false symbol=? boolean=? false?
@ -108,8 +120,8 @@ syn keyword racketFunc inexact->exact exact->inexact

 " 3.2.2.1 Arithmetic
 syn keyword racketFunc + - * / quotient remainder quotient/remainder modulo
-syn keyword racketFunc add1 sub1 abs max min gcd lcm round floor ceiling
-syn keyword racketFunc truncate numerator denominator rationalize
+syn keyword racketFunc add1 sub1 abs max min gcd lcm round exact-round floor
+syn keyword racketFunc ceiling truncate numerator denominator rationalize

 " 3.2.2.2 Number Comparison
 syn keyword racketFunc = < <= > >=
@ -374,6 +386,19 @@ syn keyword racketFunc class-field-accessor class-field-mutator
 "5.4.3 Generics
 syn keyword racketFunc generic send-generic make-generic

+" 8.1 Data-strucure contracts
+syn keyword racketFunc flat-contract-with-explanation flat-named-contract
+" TODO where do any/c and none/c `value`s go?
+syn keyword racketFunc or/c first-or/c and/c not/c =/c </c >/c <=/c >=/c
+syn keyword racketFunc between/c real-in integer-in char-in natural-number/c
+syn keyword racketFunc string-len/c printable/c one-of/c symbols vectorof
+syn keyword racketFunc vector-immutableof vector/c box/c box-immutable/c listof
+syn keyword racketFunc non-empty-listof list*of cons/c cons/dc list/c *list/c
+syn keyword racketFunc syntax/c struct/c struct/dc parameter/c
+syn keyword racketFunc procedure-arity-includes/c hash/c hash/dc channel/c
+syn keyword racketFunc prompt-tag/c continuation-mark-key/c evt/c promise/c
+syn keyword racketFunc flat-contract flat-contract-predicate suggest/c
+
 " 9.1 Multiple Values
 syn keyword racketFunc values call-with-values

@ -420,6 +445,11 @@ syn keyword racketFunc continuation? continuation-prompt-tag dynamic-wind
 " 10.4.1 Additional Control Operators
 syn keyword racketFunc call/prompt abort/cc call/comp abort fcontrol spawn splitter new-prompt

+" 11.3.2 Parameters
+syn keyword racketFunc make-parameter make-derived-parameter parameter?
+syn keyword racketFunc parameter-procedure=? current-parameterization
+syn keyword racketFunc call-with-parameterization parameterization?
+
 " 14.1.1 Manipulating Paths
 syn keyword racketFunc path? path-string? path-for-some-system? string->path path->string path->bytes
 syn keyword racketFunc string->path-element bytes->path-element path-element->string path-element->bytes
@ -434,6 +464,9 @@ syn keyword racketFunc path-replace-suffix path-add-suffix
 syn keyword racketFunc explode-path file-name-from-path filename-extension find-relative-path normalize-path
 syn keyword racketFunc path-element? path-only simple-form-path some-simple-path->string string->some-system-path

+" 15.6 Time
+syn keyword racketFunc current-seconds current-inexact-milliseconds
+syn keyword racketFunc seconds->date current-milliseconds


 syn match racketDelimiter !\<\.\>!
--- a/syntax/rst.vim
+++ b/syntax/rst.vim
@ -5,7 +5,7 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'rst') == -1
 " Maintainer: Marshall Ward <marshall.ward@gmail.com>
 " Previous Maintainer: Nikolai Weibull <now@bitwi.se>
 " Website: https://github.com/marshallward/vim-restructuredtext
-" Latest Revision: 2018-07-23
+" Latest Revision: 2018-12-29

 if exists("b:current_syntax")
  finish
@ -23,7 +23,7 @@ syn cluster rstCruft                contains=rstEmphasis,rstStrongEmphasis,
      \ rstInlineInternalTargets,rstFootnoteReference,rstHyperlinkReference

 syn region  rstLiteralBlock         matchgroup=rstDelimiter
-      \ start='::\_s*\n\ze\z(\s\+\)' skip='^$' end='^\z1\@!'
+      \ start='\(^\z(\s*\).*\)\@<=::\n\s*\n' skip='^\s*$' end='^\(\z1\s\+\)\@!'
      \ contains=@NoSpell

 syn region  rstQuotedLiteralBlock   matchgroup=rstDelimiter
--- a/syntax/ruby.vim
+++ b/syntax/ruby.vim
@ -20,6 +20,11 @@ endif
 let s:cpo_sav = &cpo
 set cpo&vim

+" eRuby Config {{{1
+if exists('main_syntax') && main_syntax == 'eruby'
+  let b:ruby_no_expensive = 1
+endif
+
 " Folding Config {{{1
 if has("folding") && exists("ruby_fold")
  setlocal foldmethod=syntax
@ -34,6 +39,10 @@ let s:foldable_groups = split(
      \	)

 function! s:foldable(...) abort
+  if index(s:foldable_groups, 'NONE') > -1
+    return 0
+  endif
+
  if index(s:foldable_groups, 'ALL') > -1
    return 1
  endif
@ -45,9 +54,21 @@ function! s:foldable(...) abort
  endfor

  return 0
-endfunction " }}}
+endfunction

-syn cluster rubyNotTop contains=@rubyExtendedStringSpecial,@rubyRegexpSpecial,@rubyDeclaration,rubyConditional,rubyExceptional,rubyMethodExceptional,rubyTodo,rubyModuleName,rubyClassName,rubySymbolDelimiter
+function! s:run_syntax_fold(args) abort
+  let [_0, _1, groups, cmd; _] = matchlist(a:args, '\(["'']\)\(.\{-}\)\1\s\+\(.*\)')
+  if call('s:foldable', split(groups))
+    let cmd .= ' fold'
+  endif
+  exe cmd
+endfunction
+
+com! -nargs=* SynFold call s:run_syntax_fold(<q-args>)
+
+" }}}
+
+syn cluster rubyNotTop contains=@rubyCommentNotTop,@rubyStringNotTop,@rubyRegexpSpecial,@rubyDeclaration,@rubyExceptionHandler,rubyConditional,rubyModuleName,rubyClassName,rubySymbolDelimiter

 " Whitespace Errors {{{1
 if exists("ruby_space_errors")
@ -61,373 +82,315 @@ endif

 " Operators {{{1
 if exists("ruby_operators")
-  syn match  rubyOperator "[~!^|*/%+-]\|&\.\@!\|\%(class\s*\)\@<!<<\|<=>\|<=\|\%(<\|\<class\s\+\u\w*\s*\)\@<!<[^<]\@=\|===\|==\|=\~\|>>\|>=\|=\@1<!>\|\*\*\|\.\.\.\|\.\.\|::"
-  syn match  rubyOperator "->\|-=\|/=\|\*\*=\|\*=\|&&=\|&=\|&&\|||=\||=\|||\|%=\|+=\|!\~\|!="
-  syn region rubyBracketOperator matchgroup=rubyOperator start="\%(\w[?!]\=\|[]})]\)\@2<=\[\s*" end="\s*]" contains=ALLBUT,@rubyNotTop
+  syn match  rubyDotOperator	    "\.\|&\." containedin=rubyKeywordAsMethod
+  syn match  rubyTernaryOperator    "[[:alnum:]]\@1<!?\|:"
+  syn match  rubyArithmeticOperator "\*\*\|[*/%+]\|->\@!"
+  syn match  rubyComparisonOperator "<=>\|<=\|\%(<\|\<class\s\+\u\w*\s*\)\@<!<<\@!\|>=\|[-=]\@1<!>"
+  syn match  rubyBitwiseOperator    "[~^|]\|&\.\@!\|\%(class\s*\)\@<!<<\|>>"
+  syn match  rubyBooleanOperator    "[[:alnum:]]\@1<!!\|&&\|||"
+  syn match  rubyRangeOperator	    "\.\.\.\="
+  syn match  rubyAssignmentOperator "=>\@!\|-=\|/=\|\*\*=\|\*=\|&&=\|&=\|||=\||=\|%=\|+=\|>>=\|<<=\|\^="
+  syn match  rubyEqualityOperator   "===\|==\|!=\|!\~\|=\~"
+  syn match  rubyScopeOperator	    "::"
+  syn region rubyBracketOperator    matchgroup=rubyOperator start="\%(\w[?!]\=\|[]})]\)\@2<=\[\s*" end="\s*]" contains=ALLBUT,@rubyNotTop
+
+  syn cluster rubyOperator contains=ruby.*Operator
 endif

-" Expression Substitution and Backslash Notation {{{1
-syn match rubyStringEscape "\\\\\|\\[abefnrstv]\|\\\o\{1,3}\|\\x\x\{1,2}"						    contained display
-syn match rubyStringEscape "\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\\=\S\)" contained display
-syn match rubyQuoteEscape  "\\[\\']"											    contained display
-
+" String Interpolation and Backslash Notation {{{1
 syn region rubyInterpolation	      matchgroup=rubyInterpolationDelimiter start="#{" end="}" contained contains=ALLBUT,@rubyNotTop
-syn match  rubyInterpolation	      "#\%(\$\|@@\=\)\w\+"    display contained contains=rubyInterpolationDelimiter,rubyInstanceVariable,rubyClassVariable,rubyGlobalVariable,rubyPredefinedVariable
-syn match  rubyInterpolationDelimiter "#\ze\%(\$\|@@\=\)\w\+" display contained
-syn match  rubyInterpolation	      "#\$\%(-\w\|\W\)"       display contained contains=rubyInterpolationDelimiter,rubyPredefinedVariable,rubyInvalidVariable
-syn match  rubyInterpolationDelimiter "#\ze\$\%(-\w\|\W\)"    display contained
-syn region rubyNoInterpolation	      start="\\#{" end="}"	      contained
-syn match  rubyNoInterpolation	      "\\#{"		      display contained
-syn match  rubyNoInterpolation	      "\\#\%(\$\|@@\=\)\w\+"  display contained
-syn match  rubyNoInterpolation	      "\\#\$\W"		      display contained
+syn match  rubyInterpolation	      "#\$\%(-\w\|[!$&"'*+,./0:;<>?@\`~_]\|\w\+\)" display contained contains=rubyInterpolationDelimiter,@rubyGlobalVariable
+syn match  rubyInterpolation	      "#@@\=\w\+"				   display contained contains=rubyInterpolationDelimiter,rubyInstanceVariable,rubyClassVariable
+syn match  rubyInterpolationDelimiter "#\ze[$@]"				   display contained

-syn match rubyDelimiterEscape	"\\[(<{\[)>}\]]" transparent display contained contains=NONE
+syn match rubyStringEscape "\\\_."											    contained display
+syn match rubyStringEscape "\\\o\{1,3}\|\\x\x\{1,2}"									    contained display
+syn match rubyStringEscape "\\u\%(\x\{4}\|{\x\{1,6}\%(\s\+\x\{1,6}\)*}\)"						    contained display
+syn match rubyStringEscape "\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\\=\S\)" contained display
+
+syn match rubyBackslashEscape "\\\\" contained display
+syn match rubyQuoteEscape     "\\'"  contained display
+syn match rubySpaceEscape     "\\ "  contained display
+
+syn match rubyParenthesesEscape	   "\\[()]"  contained display
+syn match rubyCurlyBracesEscape	   "\\[{}]"  contained display
+syn match rubyAngleBracketsEscape  "\\[<>]"  contained display
+syn match rubySquareBracketsEscape "\\[[\]]" contained display

 syn region rubyNestedParentheses    start="("  skip="\\\\\|\\)"  matchgroup=rubyString end=")"	transparent contained
 syn region rubyNestedCurlyBraces    start="{"  skip="\\\\\|\\}"  matchgroup=rubyString end="}"	transparent contained
 syn region rubyNestedAngleBrackets  start="<"  skip="\\\\\|\\>"  matchgroup=rubyString end=">"	transparent contained
 syn region rubyNestedSquareBrackets start="\[" skip="\\\\\|\\\]" matchgroup=rubyString end="\]"	transparent contained

+syn cluster rubySingleCharEscape contains=rubyBackslashEscape,rubyQuoteEscape,rubySpaceEscape,rubyParenthesesEscape,rubyCurlyBracesEscape,rubyAngleBracketsEscape,rubySquareBracketsEscape
+syn cluster rubyNestedBrackets	 contains=rubyNested.\+
+syn cluster rubyStringSpecial	 contains=rubyInterpolation,rubyStringEscape
+syn cluster rubyStringNotTop	 contains=@rubyStringSpecial,@rubyNestedBrackets,@rubySingleCharEscape
+
 " Regular Expression Metacharacters {{{1
-" These are mostly Oniguruma ready
-syn region rubyRegexpComment	matchgroup=rubyRegexpSpecial   start="(?#"								  skip="\\)"  end=")"  contained
-syn region rubyRegexpParens	matchgroup=rubyRegexpSpecial   start="(\(?:\|?<\=[=!]\|?>\|?<[a-z_]\w*>\|?[imx]*-[imx]*:\=\|\%(?#\)\@!\)" skip="\\)"  end=")"  contained transparent contains=@rubyRegexpSpecial
-syn region rubyRegexpBrackets	matchgroup=rubyRegexpCharClass start="\[\^\="								  skip="\\\]" end="\]" contained transparent contains=rubyStringEscape,rubyRegexpEscape,rubyRegexpCharClass oneline
-syn match  rubyRegexpCharClass	"\\[DdHhSsWw]"	       contained display
-syn match  rubyRegexpCharClass	"\[:\^\=\%(alnum\|alpha\|ascii\|blank\|cntrl\|digit\|graph\|lower\|print\|punct\|space\|upper\|xdigit\):\]" contained
-syn match  rubyRegexpEscape	"\\[].*?+^$|\\/(){}[]" contained
-syn match  rubyRegexpQuantifier	"[*?+][?+]\="	       contained display
-syn match  rubyRegexpQuantifier	"{\d\+\%(,\d*\)\=}?\=" contained display
-syn match  rubyRegexpAnchor	"[$^]\|\\[ABbGZz]"     contained display
-syn match  rubyRegexpDot	"\."		       contained display
-syn match  rubyRegexpSpecial	"|"		       contained display
-syn match  rubyRegexpSpecial	"\\[1-9]\d\=\d\@!"     contained display
-syn match  rubyRegexpSpecial	"\\k<\%([a-z_]\w*\|-\=\d\+\)\%([+-]\d\+\)\=>" contained display
-syn match  rubyRegexpSpecial	"\\k'\%([a-z_]\w*\|-\=\d\+\)\%([+-]\d\+\)\='" contained display
-syn match  rubyRegexpSpecial	"\\g<\%([a-z_]\w*\|-\=\d\+\)>" contained display
-syn match  rubyRegexpSpecial	"\\g'\%([a-z_]\w*\|-\=\d\+\)'" contained display
+syn region rubyRegexpComment	  matchgroup=rubyRegexpSpecial	 start="(?#"								    skip="\\\\\|\\)"  end=")"  contained
+syn region rubyRegexpParens	  matchgroup=rubyRegexpSpecial	 start="(\(?:\|?<\=[=!]\|?>\|?<[a-z_]\w*>\|?[imx]*-[imx]*:\=\|\%(?#\)\@!\)" skip="\\\\\|\\)"  end=")"  contained transparent contains=@rubyRegexpSpecial
+syn region rubyRegexpBrackets	  matchgroup=rubyRegexpCharClass start="\[\^\="								    skip="\\\\\|\\\]" end="\]" contained transparent contains=rubyRegexpBrackets,rubyStringEscape,rubyRegexpEscape,rubyRegexpCharClass,rubyRegexpIntersection oneline
+syn match  rubyRegexpCharClass	  "\\[DdHhRSsWw]"	 contained display
+syn match  rubyRegexpCharClass	  "\[:\^\=\%(alnum\|alpha\|ascii\|blank\|cntrl\|digit\|graph\|lower\|print\|punct\|space\|upper\|word\|xdigit\):\]" contained
+syn match  rubyRegexpCharClass	  "\\[pP]{^\=.\{-}}"	 contained display
+syn match  rubyRegexpEscape	  "\\[].*?+^$|\\/(){}[]" contained " see commit e477f10
+syn match  rubyRegexpQuantifier	  "[*?+][?+]\="		 contained display
+syn match  rubyRegexpQuantifier	  "{\d\+\%(,\d*\)\=}?\=" contained display
+syn match  rubyRegexpAnchor	  "[$^]\|\\[ABbGZz]"	 contained display
+syn match  rubyRegexpDot	  "\.\|\\X"		 contained display
+syn match  rubyRegexpIntersection "&&"			 contained display
+syn match  rubyRegexpSpecial	  "\\K"			 contained display
+syn match  rubyRegexpSpecial	  "|"			 contained display
+syn match  rubyRegexpSpecial	  "\\[1-9]\d\=\d\@!"	 contained display
+syn match  rubyRegexpSpecial	  "\\k<\%([a-z_]\w*\|-\=\d\+\)\%([+-]\d\+\)\=>" contained display
+syn match  rubyRegexpSpecial	  "\\k'\%([a-z_]\w*\|-\=\d\+\)\%([+-]\d\+\)\='" contained display
+syn match  rubyRegexpSpecial	  "\\g<\%([a-z_]\w*\|-\=\d\+\)>"		contained display
+syn match  rubyRegexpSpecial	  "\\g'\%([a-z_]\w*\|-\=\d\+\)'"		contained display

-syn cluster rubyStringSpecial	      contains=rubyInterpolation,rubyNoInterpolation,rubyStringEscape
-syn cluster rubyExtendedStringSpecial contains=@rubyStringSpecial,rubyNestedParentheses,rubyNestedCurlyBraces,rubyNestedAngleBrackets,rubyNestedSquareBrackets
-syn cluster rubyRegexpSpecial	      contains=rubyInterpolation,rubyNoInterpolation,rubyStringEscape,rubyRegexpSpecial,rubyRegexpEscape,rubyRegexpBrackets,rubyRegexpCharClass,rubyRegexpDot,rubyRegexpQuantifier,rubyRegexpAnchor,rubyRegexpParens,rubyRegexpComment
+syn cluster rubyRegexpSpecial contains=@rubyStringSpecial,rubyRegexpSpecial,rubyRegexpEscape,rubyRegexpBrackets,rubyRegexpCharClass,rubyRegexpDot,rubyRegexpQuantifier,rubyRegexpAnchor,rubyRegexpParens,rubyRegexpComment,rubyRegexpIntersection

-" Numbers and ASCII Codes {{{1
-syn match rubyASCIICode "\%(\w\|[]})\"'/]\)\@1<!\%(?\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\=\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\\=\S\)\)"
-syn match rubyInteger	"\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[xX]\x\+\%(_\x\+\)*r\=i\=\>"								display
-syn match rubyInteger	"\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0[dD]\)\=\%(0\|[1-9]\d*\%(_\d\+\)*\)r\=i\=\>"						display
-syn match rubyInteger	"\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[oO]\=\o\+\%(_\o\+\)*r\=i\=\>"								display
-syn match rubyInteger	"\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[bB][01]\+\%(_[01]\+\)*r\=i\=\>"								display
-syn match rubyFloat	"\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\.\d\+\%(_\d\+\)*r\=i\=\>"					display
-syn match rubyFloat	"\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\%(\.\d\+\%(_\d\+\)*\)\=\%([eE][-+]\=\d\+\%(_\d\+\)*\)r\=i\=\>"	display
+" Numbers {{{1
+syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[xX]\x\+\%(_\x\+\)*r\=i\=\>"								 display
+syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0[dD]\)\=\%(0\|[1-9]\d*\%(_\d\+\)*\)r\=i\=\>"					 display
+syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[oO]\=\o\+\%(_\o\+\)*r\=i\=\>"							 display
+syn match rubyInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[bB][01]\+\%(_[01]\+\)*r\=i\=\>"							 display
+syn match rubyFloat   "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\.\d\+\%(_\d\+\)*r\=i\=\>"					 display
+syn match rubyFloat   "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\%(\.\d\+\%(_\d\+\)*\)\=\%([eE][-+]\=\d\+\%(_\d\+\)*\)i\=\>" display

 " Identifiers {{{1
-syn match rubyLocalVariableOrMethod "\<[_[:lower:]][_[:alnum:]]*[?!=]\=" contains=NONE display transparent
+syn match rubyLocalVariableOrMethod "\<[_[:lower:]][_[:alnum:]]*[?!]\=" contains=NONE display transparent
 syn match rubyBlockArgument	    "&[_[:lower:]][_[:alnum:]]"		 contains=NONE display transparent

-syn match  rubyClassName	"\%(\%(^\|[^.]\)\.\s*\)\@<!\<\u\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@!" contained
-syn match  rubyModuleName	"\%(\%(^\|[^.]\)\.\s*\)\@<!\<\u\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@!" contained
-syn match  rubyConstant		"\%(\%(^\|[^.]\)\.\s*\)\@<!\<\u\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@!"
-syn match  rubyClassVariable	"@@\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*" display
-syn match  rubyInstanceVariable "@\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*"	display
-syn match  rubyGlobalVariable	"$\%(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\|-.\)"
-syn match  rubySymbolDelimiter	":" contained
-syn match  rubySymbol		"[]})\"':]\@1<!:\%(\^\|\~@\|\~\|<<\|<=>\|<=\|<\|===\|[=!]=\|[=!]\~\|!@\|!\|>>\|>=\|>\||\|-@\|-\|/\|\[]=\|\[]\|\*\*\|\*\|&\|%\|+@\|+\|`\)" contains=rubySymbolDelimiter
-syn match  rubySymbol		"[]})\"':]\@1<!:\$\%(-.\|[`~<=>_,;:!?/.'"@$*\&+0]\)" contains=rubySymbolDelimiter
-syn match  rubySymbol		"[]})\"':]\@1<!:\%(\$\|@@\=\)\=\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*" contains=rubySymbolDelimiter
-syn match  rubySymbol		"[]})\"':]\@1<!:\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\%([?!=]>\@!\)\=" contains=rubySymbolDelimiter
+syn match rubyClassName	       "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\u\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@!" contained
+syn match rubyModuleName       "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\u\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@!" contained
+syn match rubyConstant	       "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\u\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@!"
+syn match rubyClassVariable    "@@\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*" display
+syn match rubyInstanceVariable "@\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*"  display
+syn match rubyGlobalVariable   "$\%(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\|-.\)"
+syn match rubySymbolDelimiter  ":" contained
+syn match rubySymbol	       "[]})\"':]\@1<!:\%(\^\|\~@\|\~\|<<\|<=>\|<=\|<\|===\|[=!]=\|[=!]\~\|!@\|!\|>>\|>=\|>\||\|-@\|-\|/\|\[]=\|\[]\|\*\*\|\*\|&\|%\|+@\|+\|`\)" contains=rubySymbolDelimiter
+syn match rubySymbol	       "[]})\"':]\@1<!:\$\%(-.\|[`~<=>_,;:!?/.'"@$*\&+0]\)"			    contains=rubySymbolDelimiter
+syn match rubySymbol	       "[]})\"':]\@1<!:\%(\$\|@@\=\)\=\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*"  contains=rubySymbolDelimiter
+syn match rubySymbol	       "[]})\"':]\@1<!:\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\%([?!=]>\@!\)\=" contains=rubySymbolDelimiter

-if s:foldable(':')
-  syn region rubySymbol		matchgroup=rubySymbolDelimiter start="[]})\"':]\@1<!:'"  end="'"  skip="\\\\\|\\'"  contains=rubyQuoteEscape fold
-  syn region rubySymbol		matchgroup=rubySymbolDelimiter start="[]})\"':]\@1<!:\"" end="\"" skip="\\\\\|\\\"" contains=@rubyStringSpecial fold
-else
-  syn region rubySymbol		matchgroup=rubySymbolDelimiter start="[]})\"':]\@1<!:'"  end="'"  skip="\\\\\|\\'"  contains=rubyQuoteEscape
-  syn region rubySymbol		matchgroup=rubySymbolDelimiter start="[]})\"':]\@1<!:\"" end="\"" skip="\\\\\|\\\"" contains=@rubyStringSpecial
-endif
+SynFold ':' syn region rubySymbol matchgroup=rubySymbolDelimiter start="[]})\"':]\@1<!:'"  end="'"  skip="\\\\\|\\'"  contains=rubyQuoteEscape,rubyBackslashEscape
+SynFold ':' syn region rubySymbol matchgroup=rubySymbolDelimiter start="[]})\"':]\@1<!:\"" end="\"" skip="\\\\\|\\\"" contains=@rubyStringSpecial

-syn match  rubyCapitalizedMethod	"\%(\%(^\|[^.]\)\.\s*\)\@<!\<\u\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)*\s*(\@="
+syn match rubyCapitalizedMethod "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\u\%(\w\|[^\x00-\x7F]\)*\>\%(\s*(\)\@="

 syn match  rubyBlockParameter	  "\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*" contained
 syn region rubyBlockParameterList start="\%(\%(\<do\>\|{\)\_s*\)\@32<=|" end="|" oneline display contains=rubyBlockParameter

-syn match rubyInvalidVariable	 "$[^ A-Za-z_-]"
-syn match rubyPredefinedVariable #$[!$&"'*+,./0:;<=>?@\`~]#
-syn match rubyPredefinedVariable "$\d\+"										   display
-syn match rubyPredefinedVariable "$_\>"											   display
-syn match rubyPredefinedVariable "$-[0FIKadilpvw]\>"									   display
-syn match rubyPredefinedVariable "$\%(deferr\|defout\|stderr\|stdin\|stdout\)\>"					   display
-syn match rubyPredefinedVariable "$\%(DEBUG\|FILENAME\|KCODE\|LOADED_FEATURES\|LOAD_PATH\|PROGRAM_NAME\|SAFE\|VERBOSE\)\>" display
+if exists('ruby_global_variable_error')
+  syn match rubyGlobalVariableError "$[^A-Za-z_]"	display
+  syn match rubyGlobalVariableError "$-[^0FIKWadilpvw]" display
+endif
+
+syn match rubyPredefinedVariable #$[!$&"'*+,./0:;<>?@\`~]#
+syn match rubyPredefinedVariable "$\d\+"									    display
+syn match rubyPredefinedVariable "$_\>"										    display
+syn match rubyPredefinedVariable "$-[0FIWadilpvw]\>"								    display
+syn match rubyPredefinedVariable "$\%(stderr\|stdin\|stdout\)\>"						    display
+syn match rubyPredefinedVariable "$\%(DEBUG\|FILENAME\|LOADED_FEATURES\|LOAD_PATH\|PROGRAM_NAME\|SAFE\|VERBOSE\)\>" display
 syn match rubyPredefinedConstant "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\%(ARGF\|ARGV\|ENV\|DATA\|FALSE\|NIL\|STDERR\|STDIN\|STDOUT\|TOPLEVEL_BINDING\|TRUE\)\>\%(\s*(\)\@!"
 syn match rubyPredefinedConstant "\%(\%(^\|[^.]\)\.\s*\)\@<!\<\%(RUBY_\%(VERSION\|RELEASE_DATE\|PLATFORM\|PATCHLEVEL\|REVISION\|DESCRIPTION\|COPYRIGHT\|ENGINE\)\)\>\%(\s*(\)\@!"

-" Normal Regular Expression {{{1
-if s:foldable('/')
-  syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\%(^\|\<\%(and\|or\|while\|until\|unless\|if\|elsif\|when\|not\|then\|else\)\|[;\~=!|&(,{[<>?:*+-]\)\s*\)\@<=/" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial fold
-  syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\h\k*\s\+\)\@<=/\%([ \t=]\|$\)\@!" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial fold
-else
-  syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\%(^\|\<\%(and\|or\|while\|until\|unless\|if\|elsif\|when\|not\|then\|else\)\|[;\~=!|&(,{[<>?:*+-]\)\s*\)\@<=/" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial
-  syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\h\k*\s\+\)\@<=/\%([ \t=]\|$\)\@!" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial
-endif
+" Deprecated/removed in 1.9
+syn match rubyPredefinedVariable "$="
+syn match rubyPredefinedVariable "$-K\>"		  display
+syn match rubyPredefinedVariable "$\%(deferr\|defout\)\>" display
+syn match rubyPredefinedVariable "$KCODE\>"		  display

-" Generalized Regular Expression {{{1
-if s:foldable('%')
-  syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1[iomxneus]*" skip="\\\\\|\\\z1" contains=@rubyRegexpSpecial fold
-  syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r{"				end="}[iomxneus]*"   skip="\\\\\|\\}"	 contains=@rubyRegexpSpecial fold
-  syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r<"				end=">[iomxneus]*"   skip="\\\\\|\\>"	 contains=@rubyRegexpSpecial,rubyNestedAngleBrackets,rubyDelimiterEscape fold
-  syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\["				end="\][iomxneus]*"  skip="\\\\\|\\\]"	 contains=@rubyRegexpSpecial fold
-  syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r("				end=")[iomxneus]*"   skip="\\\\\|\\)"	 contains=@rubyRegexpSpecial fold
-  syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\z(\s\)"				end="\z1[iomxneus]*" skip="\\\\\|\\\z1" contains=@rubyRegexpSpecial fold
-else
-  syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1[iomxneus]*" skip="\\\\\|\\\z1" contains=@rubyRegexpSpecial
-  syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r{"				end="}[iomxneus]*"   skip="\\\\\|\\}"	 contains=@rubyRegexpSpecial
-  syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r<"				end=">[iomxneus]*"   skip="\\\\\|\\>"	 contains=@rubyRegexpSpecial,rubyNestedAngleBrackets,rubyDelimiterEscape
-  syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\["				end="\][iomxneus]*"  skip="\\\\\|\\\]"	 contains=@rubyRegexpSpecial
-  syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r("				end=")[iomxneus]*"   skip="\\\\\|\\)"	 contains=@rubyRegexpSpecial
-  syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="%r\z(\s\)"				end="\z1[iomxneus]*" skip="\\\\\|\\\z1" contains=@rubyRegexpSpecial
-endif
+syn cluster rubyGlobalVariable contains=rubyGlobalVariable,rubyPredefinedVariable,rubyGlobalVariableError

-" Normal String {{{1
+" Normal Regular Expressions {{{1
+SynFold '/' syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\%(^\|\<\%(and\|or\|while\|until\|unless\|if\|elsif\|when\|not\|then\|else\)\|[;\~=!|&(,{[<>?:*+-]\)\s*\)\@<=/" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial nextgroup=@rubyModifier skipwhite
+SynFold '/' syn region rubyRegexp matchgroup=rubyRegexpDelimiter start="\%(\h\k*\s\+\)\@<=/\%([ \t=]\|$\)\@!"										   end="/[iomxneus]*" skip="\\\\\|\\/" contains=@rubyRegexpSpecial nextgroup=@rubyModifier skipwhite
+
+" Generalized Regular Expressions {{{1
+SynFold '%' syn region rubyRegexp matchgroup=rubyPercentRegexpDelimiter start="%r\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1[iomxneus]*" skip="\\\\\|\\\z1" contains=@rubyRegexpSpecial nextgroup=@rubyModifier skipwhite
+SynFold '%' syn region rubyRegexp matchgroup=rubyPercentRegexpDelimiter start="%r{"				   end="}[iomxneus]*"	skip="\\\\\|\\}"   contains=@rubyRegexpSpecial
+SynFold '%' syn region rubyRegexp matchgroup=rubyPercentRegexpDelimiter start="%r<"				   end=">[iomxneus]*"	skip="\\\\\|\\>"   contains=@rubyRegexpSpecial,rubyNestedAngleBrackets
+SynFold '%' syn region rubyRegexp matchgroup=rubyPercentRegexpDelimiter start="%r\["				   end="\][iomxneus]*"	skip="\\\\\|\\\]"  contains=@rubyRegexpSpecial
+SynFold '%' syn region rubyRegexp matchgroup=rubyPercentRegexpDelimiter start="%r("				   end=")[iomxneus]*"	skip="\\\\\|\\)"   contains=@rubyRegexpSpecial
+SynFold '%' syn region rubyRegexp matchgroup=rubyPercentRegexpDelimiter start="%r\z(\s\)"			   end="\z1[iomxneus]*" skip="\\\\\|\\\z1" contains=@rubyRegexpSpecial
+
+" Characters {{{1
+syn match rubyCharacter "\%(\w\|[]})\"'/]\)\@1<!\%(?\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\=\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\\=\S\)\)"
+syn match rubyCharacter "\%(\w\|[]})\"'/]\)\@1<!?\\u\%(\x\{4}\|{\x\{1,6}}\)"
+
+" Normal Strings {{{1
 let s:spell_cluster = exists('ruby_spellcheck_strings') ? ',@Spell' : ''
-exe 'syn region rubyString matchgroup=rubyStringDelimiter start="\"" end="\"" skip="\\\\\|\\\"" ' .
-      \ (s:foldable('%') ? 'fold' : '') . ' contains=@rubyStringSpecial' . s:spell_cluster
-exe 'syn region rubyString matchgroup=rubyStringDelimiter start="''" end="''" skip="\\\\\|\\''" ' .
-      \ (s:foldable('%') ? 'fold' : '') . ' contains=rubyQuoteEscape'	 . s:spell_cluster
+let s:fold_arg	    = s:foldable('string')		? ' fold'   : ''
+exe 'syn region rubyString matchgroup=rubyStringDelimiter start="\"" end="\"" skip="\\\\\|\\\""  contains=@rubyStringSpecial'		       . s:spell_cluster . s:fold_arg
+exe 'syn region rubyString matchgroup=rubyStringDelimiter start="''" end="''" skip="\\\\\|\\''"  contains=rubyQuoteEscape,rubyBackslashEscape' . s:spell_cluster . s:fold_arg
+unlet s:spell_cluster s:fold_arg

 " Shell Command Output {{{1
-if s:foldable('%')
-  syn region rubyString matchgroup=rubyStringDelimiter start="`" end="`" skip="\\\\\|\\`" contains=@rubyStringSpecial fold
-else
-  syn region rubyString matchgroup=rubyStringDelimiter start="`" end="`" skip="\\\\\|\\`" contains=@rubyStringSpecial
-endif
+SynFold 'string' syn region rubyString matchgroup=rubyStringDelimiter start="`" end="`" skip="\\\\\|\\`" contains=@rubyStringSpecial

-" Generalized Single Quoted String, Symbol and Array of Strings {{{1
-if s:foldable('%')
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" fold
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]{"				     end="}"   skip="\\\\\|\\}"	  fold contains=rubyNestedCurlyBraces,rubyDelimiterEscape
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]<"				     end=">"   skip="\\\\\|\\>"	  fold contains=rubyNestedAngleBrackets,rubyDelimiterEscape
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]\["				     end="\]"  skip="\\\\\|\\\]"  fold contains=rubyNestedSquareBrackets,rubyDelimiterEscape
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]("				     end=")"   skip="\\\\\|\\)"	  fold contains=rubyNestedParentheses,rubyDelimiterEscape
-  syn region rubyString matchgroup=rubyStringDelimiter start="%q\z(\s\)"			     end="\z1" skip="\\\\\|\\\z1" fold
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%s\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)"    end="\z1" skip="\\\\\|\\\z1" fold
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%s{"				     end="}"   skip="\\\\\|\\}"	  fold contains=rubyNestedCurlyBraces,rubyDelimiterEscape
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%s<"				     end=">"   skip="\\\\\|\\>"	  fold contains=rubyNestedAngleBrackets,rubyDelimiterEscape
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%s\["				     end="\]"  skip="\\\\\|\\\]"  fold contains=rubyNestedSquareBrackets,rubyDelimiterEscape
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%s("				     end=")"   skip="\\\\\|\\)"	  fold contains=rubyNestedParentheses,rubyDelimiterEscape
-  syn region rubyString matchgroup=rubyStringDelimiter start="%s\z(\s\)"			     end="\z1" skip="\\\\\|\\\z1" fold
-else
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1"
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]{"				     end="}"   skip="\\\\\|\\}"	  contains=rubyNestedCurlyBraces,rubyDelimiterEscape
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]<"				     end=">"   skip="\\\\\|\\>"	  contains=rubyNestedAngleBrackets,rubyDelimiterEscape
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]\["				     end="\]"  skip="\\\\\|\\\]"  contains=rubyNestedSquareBrackets,rubyDelimiterEscape
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[qw]("				     end=")"   skip="\\\\\|\\)"	  contains=rubyNestedParentheses,rubyDelimiterEscape
-  syn region rubyString matchgroup=rubyStringDelimiter start="%q\z(\s\)"			     end="\z1" skip="\\\\\|\\\z1"
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%s\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)"    end="\z1" skip="\\\\\|\\\z1"
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%s{"				     end="}"   skip="\\\\\|\\}"	  contains=rubyNestedCurlyBraces,rubyDelimiterEscape
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%s<"				     end=">"   skip="\\\\\|\\>"	  contains=rubyNestedAngleBrackets,rubyDelimiterEscape
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%s\["				     end="\]"  skip="\\\\\|\\\]"  contains=rubyNestedSquareBrackets,rubyDelimiterEscape
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%s("				     end=")"   skip="\\\\\|\\)"	  contains=rubyNestedParentheses,rubyDelimiterEscape
-  syn region rubyString matchgroup=rubyStringDelimiter start="%s\z(\s\)"			     end="\z1" skip="\\\\\|\\\z1"
-endif
+" Generalized Single Quoted Strings, Symbols, Array of Strings and Array of Symbols {{{1

-" Generalized Double Quoted String and Array of Strings and Shell Command Output {{{1
+" Non-bracket punctuation delimiters {{{2
+let s:names = { '~': 'Tilde', '`': 'BackQuote', '!': 'Bang', '@': 'At', '#': 'Hash', '$': 'Dollar', '%': 'Percent', '^': 'Caret',
+      \		'&': 'Ampersand', '*': 'Asterix', '_': 'Underscore', '-': 'Dash', '+': 'Plus', '=': 'Equals', '|': 'Bar',
+      \		'\': 'Backslash', ':': 'Colon', ';': 'Semicolon', '"': 'DoubleQuote', "'": 'Quote', ',': 'Comma', '.': 'Period',
+      \		'?': 'QuestionMark', '/': 'ForwardSlash' }
+
+for s:delimiter in keys(s:names)
+  let s:group = 'ruby' . s:names[s:delimiter] . 'Escape'
+
+  if s:delimiter =~ '[\"]'
+    let s:delimiter = '\' . s:delimiter
+  endif
+
+  exe 'syn match ' . s:group . ' "\V\\' . s:delimiter . '" contained display'
+  exe 'syn cluster rubySingleCharEscape add=' . s:group
+  exe 'SynFold ''%'' syn region rubyString matchgroup=rubyPercentStringDelimiter start="\V%q' . s:delimiter . '" end="\V' . s:delimiter . '" skip="\V\\\\\|\\' . s:delimiter . '" contains=rubyBackslashEscape,'		 . s:group . ' nextgroup=@rubyModifier skipwhite'
+  exe 'SynFold ''%'' syn region rubyString matchgroup=rubyPercentStringDelimiter start="\V%w' . s:delimiter . '" end="\V' . s:delimiter . '" skip="\V\\\\\|\\' . s:delimiter . '" contains=rubyBackslashEscape,rubySpaceEscape,' . s:group . ' nextgroup=@rubyModifier skipwhite'
+  exe 'SynFold ''%'' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="\V%s' . s:delimiter . '" end="\V' . s:delimiter . '" skip="\V\\\\\|\\' . s:delimiter . '" contains=rubyBackslashEscape,'		 . s:group . ' nextgroup=@rubyModifier skipwhite'
+  exe 'SynFold ''%'' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="\V%i' . s:delimiter . '" end="\V' . s:delimiter . '" skip="\V\\\\\|\\' . s:delimiter . '" contains=rubyBackslashEscape,rubySpaceEscape,' . s:group . ' nextgroup=@rubyModifier skipwhite'
+  exe 'hi def link ' . s:group . ' rubyStringEscape'
+endfor
+
+unlet s:delimiter s:group s:names
+" }}}2
+
+SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%q{"	  end="}"   skip="\\\\\|\\}"   contains=rubyBackslashEscape,rubyCurlyBracesEscape,rubyNestedCurlyBraces
+SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%q<"	  end=">"   skip="\\\\\|\\>"   contains=rubyBackslashEscape,rubyAngleBracketsEscape,rubyNestedAngleBrackets
+SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%q\["	  end="\]"  skip="\\\\\|\\\]"  contains=rubyBackslashEscape,rubySquareBracketsEscape,rubyNestedSquareBrackets
+SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%q("	  end=")"   skip="\\\\\|\\)"   contains=rubyBackslashEscape,rubyParenthesesEscape,rubyNestedParentheses
+SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%q\z(\s\)" end="\z1" skip="\\\\\|\\\z1" contains=rubyBackslashEscape,rubySpaceEscape
+
+SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%w{"	  end="}"   skip="\\\\\|\\}"   contains=rubyBackslashEscape,rubySpaceEscape,rubyCurlyBracesEscape,rubyNestedCurlyBraces
+SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%w<"	  end=">"   skip="\\\\\|\\>"   contains=rubyBackslashEscape,rubySpaceEscape,rubyAngleBracketsEscape,rubyNestedAngleBrackets
+SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%w\["	  end="\]"  skip="\\\\\|\\\]"  contains=rubyBackslashEscape,rubySpaceEscape,rubySquareBracketsEscape,rubyNestedSquareBrackets
+SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%w("	  end=")"   skip="\\\\\|\\)"   contains=rubyBackslashEscape,rubySpaceEscape,rubyParenthesesEscape,rubyNestedParentheses
+
+SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%s{"	  end="}"   skip="\\\\\|\\}"   contains=rubyBackslashEscape,rubyCurlyBracesEscape,rubyNestedCurlyBraces
+SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%s<"	  end=">"   skip="\\\\\|\\>"   contains=rubyBackslashEscape,rubyAngleBracketsEscape,rubyNestedAngleBrackets
+SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%s\["	  end="\]"  skip="\\\\\|\\\]"  contains=rubyBackslashEscape,rubySquareBracketsEscape,rubyNestedSquareBrackets
+SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%s("	  end=")"   skip="\\\\\|\\)"   contains=rubyBackslashEscape,rubyParenthesesEscape,rubyNestedParentheses
+SynFold '%' syn region rubyString matchgroup=rubyPercentSymbolDelimiter start="%s\z(\s\)" end="\z1" skip="\\\\\|\\\z1" contains=rubyBackslashEscape,rubySpaceEscape
+
+SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%i{"	  end="}"   skip="\\\\\|\\}"   contains=rubyBackslashEscape,rubySpaceEscape,rubyCurlyBracesEscape,rubyNestedCurlyBraces
+SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%i<"	  end=">"   skip="\\\\\|\\>"   contains=rubyBackslashEscape,rubySpaceEscape,rubyAngleBracketsEscape,rubyNestedAngleBrackets
+SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%i\["	  end="\]"  skip="\\\\\|\\\]"  contains=rubyBackslashEscape,rubySpaceEscape,rubySquareBracketsEscape,rubyNestedSquareBrackets
+SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%i("	  end=")"   skip="\\\\\|\\)"   contains=rubyBackslashEscape,rubySpaceEscape,rubyParenthesesEscape,rubyNestedParentheses
+
+" Generalized Double Quoted Strings, Symbols, Array of Strings, Array of Symbols and Shell Command Output {{{1
 " Note: %= is not matched here as the beginning of a double quoted string
-if s:foldable('%')
-  syn region rubyString matchgroup=rubyStringDelimiter start="%\z([~`!@#$%^&*_\-+|\:;"',.?/]\)"	      end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial fold
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial fold
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\={"			      end="}"	skip="\\\\\|\\}"   contains=@rubyStringSpecial,rubyNestedCurlyBraces,rubyDelimiterEscape    fold
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\=<"			      end=">"	skip="\\\\\|\\>"   contains=@rubyStringSpecial,rubyNestedAngleBrackets,rubyDelimiterEscape  fold
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\=\["			      end="\]"	skip="\\\\\|\\\]"  contains=@rubyStringSpecial,rubyNestedSquareBrackets,rubyDelimiterEscape fold
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\=("			      end=")"	skip="\\\\\|\\)"   contains=@rubyStringSpecial,rubyNestedParentheses,rubyDelimiterEscape    fold
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[Qx]\z(\s\)"			      end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial fold
-else
-  syn region rubyString matchgroup=rubyStringDelimiter start="%\z([~`!@#$%^&*_\-+|\:;"',.?/]\)"	      end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\={"			      end="}"	skip="\\\\\|\\}"   contains=@rubyStringSpecial,rubyNestedCurlyBraces,rubyDelimiterEscape
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\=<"			      end=">"	skip="\\\\\|\\>"   contains=@rubyStringSpecial,rubyNestedAngleBrackets,rubyDelimiterEscape
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\=\["			      end="\]"	skip="\\\\\|\\\]"  contains=@rubyStringSpecial,rubyNestedSquareBrackets,rubyDelimiterEscape
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[QWx]\=("			      end=")"	skip="\\\\\|\\)"   contains=@rubyStringSpecial,rubyNestedParentheses,rubyDelimiterEscape
-  syn region rubyString matchgroup=rubyStringDelimiter start="%[Qx]\z(\s\)"			      end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial
-endif
+SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%\z([~`!@#$%^&*_\-+|\:;"',.?/]\)"       end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial nextgroup=@rubyModifier skipwhite
+SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%[QWx]\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial
+SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%[QWx]\={"			       end="}"	 skip="\\\\\|\\}"   contains=@rubyStringSpecial,rubyNestedCurlyBraces
+SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%[QWx]\=<"			       end=">"	 skip="\\\\\|\\>"   contains=@rubyStringSpecial,rubyNestedAngleBrackets
+SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%[QWx]\=\["			       end="\]"  skip="\\\\\|\\\]"  contains=@rubyStringSpecial,rubyNestedSquareBrackets
+SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%[QWx]\=("			       end=")"	 skip="\\\\\|\\)"   contains=@rubyStringSpecial,rubyNestedParentheses
+SynFold '%' syn region rubyString matchgroup=rubyPercentStringDelimiter start="%[Qx]\z(\s\)"			       end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial

-" Array of Symbols {{{1
-if s:foldable('%')
-  " Array of Symbols
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1"	fold
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i{"				  end="}"   skip="\\\\\|\\}"	fold contains=rubyNestedCurlyBraces,rubyDelimiterEscape
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i<"				  end=">"   skip="\\\\\|\\>"	fold contains=rubyNestedAngleBrackets,rubyDelimiterEscape
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i\["				  end="\]"  skip="\\\\\|\\\]"	fold contains=rubyNestedSquareBrackets,rubyDelimiterEscape
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i("				  end=")"   skip="\\\\\|\\)"	fold contains=rubyNestedParentheses,rubyDelimiterEscape
+" Array of interpolated Symbols
+SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%I\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" contains=@rubyStringSpecial nextgroup=@rubyModifier skipwhite
+SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%I{"				   end="}"   skip="\\\\\|\\}"	contains=@rubyStringSpecial,rubyNestedCurlyBraces
+SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%I<"				   end=">"   skip="\\\\\|\\>"	contains=@rubyStringSpecial,rubyNestedAngleBrackets
+SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%I\["				   end="\]"  skip="\\\\\|\\\]"	contains=@rubyStringSpecial,rubyNestedSquareBrackets
+SynFold '%' syn region rubySymbol matchgroup=rubyPercentSymbolDelimiter start="%I("				   end=")"   skip="\\\\\|\\)"	contains=@rubyStringSpecial,rubyNestedParentheses

-  " Array of interpolated Symbols
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1"	contains=@rubyStringSpecial fold
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I{"				  end="}"   skip="\\\\\|\\}"	contains=@rubyStringSpecial,rubyNestedCurlyBraces,rubyDelimiterEscape    fold
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I<"				  end=">"   skip="\\\\\|\\>"	contains=@rubyStringSpecial,rubyNestedAngleBrackets,rubyDelimiterEscape  fold
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I\["				  end="\]"  skip="\\\\\|\\\]"	contains=@rubyStringSpecial,rubyNestedSquareBrackets,rubyDelimiterEscape fold
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I("				  end=")"   skip="\\\\\|\\)"	contains=@rubyStringSpecial,rubyNestedParentheses,rubyDelimiterEscape    fold
-else
-  " Array of Symbols
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1"
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i{"				  end="}"   skip="\\\\\|\\}"	contains=rubyNestedCurlyBraces,rubyDelimiterEscape
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i<"				  end=">"   skip="\\\\\|\\>"	contains=rubyNestedAngleBrackets,rubyDelimiterEscape
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i\["				  end="\]"  skip="\\\\\|\\\]"	contains=rubyNestedSquareBrackets,rubyDelimiterEscape
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%i("				  end=")"   skip="\\\\\|\\)"	contains=rubyNestedParentheses,rubyDelimiterEscape
+" Here Documents {{{1
+syn region rubyHeredocStart matchgroup=rubyHeredocDelimiter start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})"']\)\s\|\w\)\@<!<<[-~]\=\zs\%(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)+ end=+$+ oneline contains=ALLBUT,@rubyNotTop
+syn region rubyHeredocStart matchgroup=rubyHeredocDelimiter start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})"']\)\s\|\w\)\@<!<<[-~]\=\zs"\%([^"]*\)"+					  end=+$+ oneline contains=ALLBUT,@rubyNotTop
+syn region rubyHeredocStart matchgroup=rubyHeredocDelimiter start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})"']\)\s\|\w\)\@<!<<[-~]\=\zs'\%([^']*\)'+					  end=+$+ oneline contains=ALLBUT,@rubyNotTop
+syn region rubyHeredocStart matchgroup=rubyHeredocDelimiter start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})"']\)\s\|\w\)\@<!<<[-~]\=\zs`\%([^`]*\)`+					  end=+$+ oneline contains=ALLBUT,@rubyNotTop

-  " Array of interpolated Symbols
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1"	contains=@rubyStringSpecial
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I{"				  end="}"   skip="\\\\\|\\}"	contains=@rubyStringSpecial,rubyNestedCurlyBraces,rubyDelimiterEscape
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I<"				  end=">"   skip="\\\\\|\\>"	contains=@rubyStringSpecial,rubyNestedAngleBrackets,rubyDelimiterEscape
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I\["				  end="\]"  skip="\\\\\|\\\]"	contains=@rubyStringSpecial,rubyNestedSquareBrackets,rubyDelimiterEscape
-  syn region rubySymbol matchgroup=rubySymbolDelimiter start="%I("				  end=")"   skip="\\\\\|\\)"	contains=@rubyStringSpecial,rubyNestedParentheses,rubyDelimiterEscape
-endif
+SynFold '<<' syn region rubyString start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})"']\)\s\|\w\)\@<!<<\z(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2   matchgroup=rubyHeredocDelimiter end=+^\z1$+	contains=rubyHeredocStart,@rubyStringSpecial keepend
+SynFold '<<' syn region rubyString start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})"']\)\s\|\w\)\@<!<<"\z([^"]*\)"\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2					      matchgroup=rubyHeredocDelimiter end=+^\z1$+	contains=rubyHeredocStart,@rubyStringSpecial keepend
+SynFold '<<' syn region rubyString start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})"']\)\s\|\w\)\@<!<<'\z([^']*\)'\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2					      matchgroup=rubyHeredocDelimiter end=+^\z1$+	contains=rubyHeredocStart		     keepend
+SynFold '<<' syn region rubyString start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})"']\)\s\|\w\)\@<!<<`\z([^`]*\)`\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2					      matchgroup=rubyHeredocDelimiter end=+^\z1$+	contains=rubyHeredocStart,@rubyStringSpecial keepend

-" Here Document {{{1
-syn region rubyHeredocStart matchgroup=rubyStringDelimiter start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<[-~]\=\zs\%(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)+	 end=+$+ oneline contains=ALLBUT,@rubyNotTop
-syn region rubyHeredocStart matchgroup=rubyStringDelimiter start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<[-~]\=\zs"\%([^"]*\)"+ end=+$+ oneline contains=ALLBUT,@rubyNotTop
-syn region rubyHeredocStart matchgroup=rubyStringDelimiter start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<[-~]\=\zs'\%([^']*\)'+ end=+$+ oneline contains=ALLBUT,@rubyNotTop
-syn region rubyHeredocStart matchgroup=rubyStringDelimiter start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<[-~]\=\zs`\%([^`]*\)`+ end=+$+ oneline contains=ALLBUT,@rubyNotTop
-
-if s:foldable('<<')
-  syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<\z(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2	matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,rubyHeredoc,@rubyStringSpecial fold keepend
-  syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<"\z([^"]*\)"\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2	matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,rubyHeredoc,@rubyStringSpecial fold keepend
-  syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<'\z([^']*\)'\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2	matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,rubyHeredoc		    fold keepend
-  syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<`\z([^`]*\)`\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2	matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,rubyHeredoc,@rubyStringSpecial fold keepend
-
-  syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<[-~]\z(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3    matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial fold keepend
-  syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<[-~]"\z([^"]*\)"\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3  matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial fold keepend
-  syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<[-~]'\z([^']*\)'\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3  matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart		    fold keepend
-  syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<[-~]`\z([^`]*\)`\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3  matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial fold keepend
-else
-  syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<\z(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2	matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,rubyHeredoc,@rubyStringSpecial keepend
-  syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<"\z([^"]*\)"\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2	matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,rubyHeredoc,@rubyStringSpecial keepend
-  syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<'\z([^']*\)'\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2	matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,rubyHeredoc		    keepend
-  syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<`\z([^`]*\)`\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+2	matchgroup=rubyStringDelimiter end=+^\z1$+ contains=rubyHeredocStart,rubyHeredoc,@rubyStringSpecial keepend
-
-  syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<[-~]\z(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3    matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial keepend
-  syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<[-~]"\z([^"]*\)"\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3  matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial keepend
-  syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<[-~]'\z([^']*\)'\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3  matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart		    keepend
-  syn region rubyString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<[-~]`\z([^`]*\)`\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3  matchgroup=rubyStringDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial keepend
-endif
-
-" eRuby Config {{{1
-if exists('main_syntax') && main_syntax == 'eruby'
-  let b:ruby_no_expensive = 1
-endif
+SynFold '<<' syn region rubyString start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})]\)\s\|\w\)\@<!<<[-~]\z(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3 matchgroup=rubyHeredocDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial keepend
+SynFold '<<' syn region rubyString start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})]\)\s\|\w\)\@<!<<[-~]"\z([^"]*\)"\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3				      matchgroup=rubyHeredocDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial keepend
+SynFold '<<' syn region rubyString start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})]\)\s\|\w\)\@<!<<[-~]'\z([^']*\)'\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3				      matchgroup=rubyHeredocDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart		     keepend
+SynFold '<<' syn region rubyString start=+\%(\%(class\|::\|\.\@1<!\.\)\_s*\|\%([]})]\)\s\|\w\)\@<!<<[-~]`\z([^`]*\)`\ze\%(.*<<[-~]\=['`"]\=\h\)\@!+hs=s+3				      matchgroup=rubyHeredocDelimiter end=+^\s*\zs\z1$+ contains=rubyHeredocStart,@rubyStringSpecial keepend

 " Module, Class, Method and Alias Declarations {{{1
-syn match  rubyAliasDeclaration    "[^[:space:];#.()]\+" contained contains=rubySymbol,rubyGlobalVariable,rubyPredefinedVariable nextgroup=rubyAliasDeclaration2 skipwhite
-syn match  rubyAliasDeclaration2   "[^[:space:];#.()]\+" contained contains=rubySymbol,rubyGlobalVariable,rubyPredefinedVariable
-syn match  rubyMethodDeclaration   "[^[:space:];#(]\+"	 contained contains=rubyConstant,rubyBoolean,rubyPseudoVariable,rubyInstanceVariable,rubyClassVariable,rubyGlobalVariable
-syn match  rubyClassDeclaration    "[^[:space:];#<]\+"	 contained contains=rubyClassName,rubyOperator
-syn match  rubyModuleDeclaration   "[^[:space:];#<]\+"	 contained contains=rubyModuleName,rubyOperator
-syn match  rubyFunction "\<[_[:alpha:]][_[:alnum:]]*[?!=]\=[[:alnum:]_.:?!=]\@!" contained containedin=rubyMethodDeclaration
-syn match  rubyFunction "\%(\s\|^\)\@1<=[_[:alpha:]][_[:alnum:]]*[?!=]\=\%(\s\|$\)\@=" contained containedin=rubyAliasDeclaration,rubyAliasDeclaration2
-syn match  rubyFunction "\%([[:space:].]\|^\)\@2<=\%(\[\]=\=\|\*\*\|[-+!~]@\=\|[*/%|&^~]\|<<\|>>\|[<>]=\=\|<=>\|===\|[=!]=\|[=!]\~\|!\|`\)\%([[:space:];#(]\|$\)\@=" contained containedin=rubyAliasDeclaration,rubyAliasDeclaration2,rubyMethodDeclaration
+syn match rubyAliasDeclaration	"[^[:space:];#.()]\+" contained contains=rubySymbol,@rubyGlobalVariable nextgroup=rubyAliasDeclaration2 skipwhite
+syn match rubyAliasDeclaration2 "[^[:space:];#.()]\+" contained contains=rubySymbol,@rubyGlobalVariable
+syn match rubyMethodDeclaration "[^[:space:];#(]\+"   contained contains=rubyConstant,rubyBoolean,rubyPseudoVariable,rubyInstanceVariable,rubyClassVariable,rubyGlobalVariable
+syn match rubyClassDeclaration	"[^[:space:];#<]\+"   contained contains=rubyClassName,rubyOperator
+syn match rubyModuleDeclaration "[^[:space:];#<]\+"   contained contains=rubyModuleName,rubyOperator

-syn cluster rubyDeclaration contains=rubyAliasDeclaration,rubyAliasDeclaration2,rubyMethodDeclaration,rubyModuleDeclaration,rubyClassDeclaration,rubyFunction,rubyBlockParameter
+syn match rubyMethodName "\<[_[:alpha:]][_[:alnum:]]*[?!=]\=[[:alnum:]_.:?!=]\@!"										      contained containedin=rubyMethodDeclaration
+syn match rubyMethodName "\%(\s\|^\)\@1<=[_[:alpha:]][_[:alnum:]]*[?!=]\=\%(\s\|$\)\@="										      contained containedin=rubyAliasDeclaration,rubyAliasDeclaration2
+syn match rubyMethodName "\%([[:space:].]\|^\)\@1<=\%(\[\]=\=\|\*\*\|[-+!~]@\=\|[*/%|&^~]\|<<\|>>\|[<>]=\=\|<=>\|===\|[=!]=\|[=!]\~\|!\|`\)\%([[:space:];#(]\|$\)\@=" contained containedin=rubyAliasDeclaration,rubyAliasDeclaration2,rubyMethodDeclaration
+
+syn cluster rubyDeclaration contains=rubyAliasDeclaration,rubyAliasDeclaration2,rubyMethodDeclaration,rubyModuleDeclaration,rubyClassDeclaration,rubyMethodName,rubyBlockParameter

 " Keywords {{{1
 " Note: the following keywords have already been defined:
 " begin case class def do end for if module unless until while
-syn match   rubyControl	       "\<\%(and\|break\|in\|next\|not\|or\|redo\|rescue\|retry\|return\)\>[?!]\@!"
-syn match   rubyOperator       "\<defined?" display
-syn match   rubyKeyword	       "\<\%(super\|yield\)\>[?!]\@!"
-syn match   rubyBoolean	       "\<\%(true\|false\)\>[?!]\@!"
-syn match   rubyPseudoVariable "\<\%(nil\|self\|__ENCODING__\|__dir__\|__FILE__\|__LINE__\|__callee__\|__method__\)\>[?!]\@!" " TODO: reorganise
-syn match   rubyBeginEnd       "\<\%(BEGIN\|END\)\>[?!]\@!"
+syn match rubyControl	     "\<\%(and\|break\|in\|next\|not\|or\|redo\|retry\|return\)\>[?!]\@!"
+syn match rubyOperator	     "\<defined?" display
+syn match rubyKeyword	     "\<\%(super\|yield\)\>[?!]\@!"
+syn match rubyBoolean	     "\<\%(true\|false\)\>[?!]\@!"
+syn match rubyPseudoVariable "\<\%(nil\|self\|__ENCODING__\|__dir__\|__FILE__\|__LINE__\|__callee__\|__method__\)\>[?!]\@!" " TODO: reorganise
+syn match rubyBeginEnd	     "\<\%(BEGIN\|END\)\>[?!]\@!"

 " Expensive Mode {{{1
 " Match 'end' with the appropriate opening keyword for syntax based folding
 " and special highlighting of module/class/method definitions
 if !exists("b:ruby_no_expensive") && !exists("ruby_no_expensive")
-  syn match  rubyDefine "\<alias\>"  nextgroup=rubyAliasDeclaration  skipwhite skipnl
-  syn match  rubyDefine "\<def\>"    nextgroup=rubyMethodDeclaration skipwhite skipnl
-  syn match  rubyDefine "\<undef\>"  nextgroup=rubyFunction	     skipwhite skipnl
-  syn match  rubyClass	"\<class\>"  nextgroup=rubyClassDeclaration  skipwhite skipnl
-  syn match  rubyModule "\<module\>" nextgroup=rubyModuleDeclaration skipwhite skipnl
+  syn match rubyDefine "\<alias\>"  nextgroup=rubyAliasDeclaration  skipwhite skipnl
+  syn match rubyDefine "\<def\>"    nextgroup=rubyMethodDeclaration skipwhite skipnl
+  syn match rubyDefine "\<undef\>"  nextgroup=rubyMethodName	    skipwhite skipnl
+  syn match rubyClass  "\<class\>"  nextgroup=rubyClassDeclaration  skipwhite skipnl
+  syn match rubyModule "\<module\>" nextgroup=rubyModuleDeclaration skipwhite skipnl

-  if s:foldable('def')
-    syn region rubyMethodBlock start="\<def\>"	matchgroup=rubyDefine end="\%(\<def\_s\+\)\@<!\<end\>" contains=ALLBUT,@rubyNotTop fold
-  else
-    syn region rubyMethodBlock start="\<def\>"	matchgroup=rubyDefine end="\%(\<def\_s\+\)\@<!\<end\>" contains=ALLBUT,@rubyNotTop
-  endif
-
-  if s:foldable('class')
-    syn region rubyBlock start="\<class\>"	matchgroup=rubyClass end="\<end\>" contains=ALLBUT,@rubyNotTop fold
-  else
-    syn region rubyBlock start="\<class\>"	matchgroup=rubyClass end="\<end\>" contains=ALLBUT,@rubyNotTop
-  endif
-
-  if s:foldable('module')
-    syn region rubyBlock start="\<module\>" matchgroup=rubyModule end="\<end\>" contains=ALLBUT,@rubyNotTop fold
-  else
-    syn region rubyBlock start="\<module\>" matchgroup=rubyModule end="\<end\>" contains=ALLBUT,@rubyNotTop
-  endif
+  SynFold 'def'    syn region rubyMethodBlock start="\<def\>"	 matchgroup=rubyDefine end="\%(\<def\_s\+\)\@<!\<end\>" contains=ALLBUT,@rubyNotTop
+  SynFold 'class'  syn region rubyClassBlock  start="\<class\>"  matchgroup=rubyClass  end="\<end\>"			contains=ALLBUT,@rubyNotTop
+  SynFold 'module' syn region rubyModuleBlock start="\<module\>" matchgroup=rubyModule end="\<end\>"			contains=ALLBUT,@rubyNotTop

  " modifiers
-  syn match rubyLineContinuation    "\\$" nextgroup=rubyConditionalModifier,rubyRepeatModifier skipwhite skipnl
+  syn match rubyLineContinuation    "\\$" nextgroup=@rubyModifier skipwhite skipnl
  syn match rubyConditionalModifier "\<\%(if\|unless\)\>"
  syn match rubyRepeatModifier	    "\<\%(while\|until\)\>"
+  syn match rubyRescueModifier	    "\<rescue\>"

-  if s:foldable('do')
-    syn region rubyDoBlock matchgroup=rubyControl start="\<do\>" end="\<end\>" contains=ALLBUT,@rubyNotTop fold
-  else
-    syn region rubyDoBlock matchgroup=rubyControl start="\<do\>" end="\<end\>" contains=ALLBUT,@rubyNotTop
-  endif
+  syn cluster rubyModifier contains=rubyConditionalModifier,rubyRepeatModifier,rubyRescueModifier
+
+  SynFold 'do' syn region rubyDoBlock matchgroup=rubyControl start="\<do\>" end="\<end\>" contains=ALLBUT,@rubyNotTop

  " curly bracket block or hash literal
-  if s:foldable('{')
-    syn region rubyCurlyBlock matchgroup=rubyCurlyBlockDelimiter start="{" end="}" contains=ALLBUT,@rubyNotTop fold
-  else
-    syn region rubyCurlyBlock matchgroup=rubyCurlyBlockDelimiter start="{" end="}" contains=ALLBUT,@rubyNotTop
-  endif
-
-  if s:foldable('[')
-    syn region rubyArrayLiteral	matchgroup=rubyArrayDelimiter start="\%(\w\|[\]})]\)\@<!\[" end="]" contains=ALLBUT,@rubyNotTop fold
-  endif
+  SynFold '{' syn region rubyCurlyBlock   matchgroup=rubyCurlyBlockDelimiter start="{"			   end="}" contains=ALLBUT,@rubyNotTop
+  SynFold '[' syn region rubyArrayLiteral matchgroup=rubyArrayDelimiter      start="\%(\w\|[\]})]\)\@<!\[" end="]" contains=ALLBUT,@rubyNotTop

  " statements without 'do'
-  if s:foldable('begin')
-    syn region rubyBlockExpression matchgroup=rubyControl start="\<begin\>" end="\<end\>" contains=ALLBUT,@rubyNotTop fold
-  else
-    syn region rubyBlockExpression matchgroup=rubyControl start="\<begin\>" end="\<end\>" contains=ALLBUT,@rubyNotTop
-  endif
+  SynFold 'begin' syn region rubyBlockExpression matchgroup=rubyControl     start="\<begin\>" end="\<end\>" contains=ALLBUT,@rubyNotTop
+  SynFold 'case'  syn region rubyCaseExpression  matchgroup=rubyConditional start="\<case\>"  end="\<end\>" contains=ALLBUT,@rubyNotTop

-  if s:foldable('case')
-    syn region rubyCaseExpression matchgroup=rubyConditional start="\<case\>" end="\<end\>" contains=ALLBUT,@rubyNotTop fold
-  else
-    syn region rubyCaseExpression matchgroup=rubyConditional start="\<case\>" end="\<end\>" contains=ALLBUT,@rubyNotTop
-  endif
-
-  if s:foldable('if')
-    syn region rubyConditionalExpression matchgroup=rubyConditional start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*%&^|+=-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![?!]\)\s*\)\@<=\%(if\|unless\)\>" end="\%(\%(\%(\.\@1<!\.\)\|::\)\s*\)\@<!\<end\>" contains=ALLBUT,@rubyNotTop fold
-  else
-    syn region rubyConditionalExpression matchgroup=rubyConditional start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*%&^|+=-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![?!]\)\s*\)\@<=\%(if\|unless\)\>" end="\%(\%(\%(\.\@1<!\.\)\|::\)\s*\)\@<!\<end\>" contains=ALLBUT,@rubyNotTop
-  endif
+  SynFold 'if' syn region rubyConditionalExpression matchgroup=rubyConditional start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+=-]\|\<then\s\|\%(\<\h\w*\)\@<![?!]\)\s*\)\@<=\%(if\|unless\)\>" end="\%(\%(\%(\.\@1<!\.\)\|::\)\s*\)\@<!\<end\>" contains=ALLBUT,@rubyNotTop

  syn match rubyConditional "\<\%(then\|else\|when\)\>[?!]\@!"	contained containedin=rubyCaseExpression
  syn match rubyConditional "\<\%(then\|else\|elsif\)\>[?!]\@!" contained containedin=rubyConditionalExpression

-  syn match rubyExceptional	  "\<\%(\%(\%(;\|^\)\s*\)\@<=rescue\|else\|ensure\)\>[?!]\@!" contained containedin=rubyBlockExpression
-  syn match rubyMethodExceptional "\<\%(\%(\%(;\|^\)\s*\)\@<=rescue\|else\|ensure\)\>[?!]\@!" contained containedin=rubyMethodBlock
+  syn match   rubyExceptionHandler  "\<\%(\%(\%(;\|^\)\s*\)\@<=rescue\|else\|ensure\)\>[?!]\@!" contained containedin=rubyBlockExpression,rubyDoBlock
+  syn match   rubyExceptionHandler1 "\<\%(\%(\%(;\|^\)\s*\)\@<=rescue\|else\|ensure\)\>[?!]\@!" contained containedin=rubyModuleBlock,rubyClassBlock,rubyMethodBlock
+  syn cluster rubyExceptionHandler  contains=rubyExceptionHandler,rubyExceptionHandler1

  " statements with optional 'do'
-  syn region rubyOptionalDoLine   matchgroup=rubyRepeat start="\<for\>[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![!=?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=rubyOptionalDo end="\%(\<do\>\)" end="\ze\%(;\|$\)" oneline contains=ALLBUT,@rubyNotTop
+  syn region rubyOptionalDoLine matchgroup=rubyRepeat start="\<for\>[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+=-]\|\%(\<\h\w*\)\@<![!?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=rubyOptionalDo end="\<do\>" end="\ze\%(;\|$\)" oneline contains=ALLBUT,@rubyNotTop

-  if s:foldable('for')
-    syn region rubyRepeatExpression start="\<for\>[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![!=?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=rubyRepeat end="\<end\>" contains=ALLBUT,@rubyNotTop nextgroup=rubyOptionalDoLine fold
-  else
-    syn region rubyRepeatExpression start="\<for\>[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![!=?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=rubyRepeat end="\<end\>" contains=ALLBUT,@rubyNotTop nextgroup=rubyOptionalDoLine
-  endif
+  SynFold 'for' syn region rubyRepeatExpression start="\<for\>[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+=-]\|\%(\<\h\w*\)\@<![!?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=rubyRepeat end="\<end\>" contains=ALLBUT,@rubyNotTop nextgroup=rubyOptionalDoLine

  if !exists("ruby_minlines")
    let ruby_minlines = 500
  endif
-  exec "syn sync minlines=" . ruby_minlines
+  exe "syn sync minlines=" . ruby_minlines

 else
  syn match rubyControl "\<def\>[?!]\@!"    nextgroup=rubyMethodDeclaration skipwhite skipnl
  syn match rubyControl "\<class\>[?!]\@!"  nextgroup=rubyClassDeclaration  skipwhite skipnl
  syn match rubyControl "\<module\>[?!]\@!" nextgroup=rubyModuleDeclaration skipwhite skipnl
-  syn match rubyControl "\<\%(case\|begin\|do\|for\|if\|unless\|while\|until\|else\|elsif\|ensure\|then\|when\|end\)\>[?!]\@!"
+  syn match rubyControl "\<\%(case\|begin\|do\|for\|if\|unless\|while\|until\|else\|elsif\|rescue\|ensure\|then\|when\|end\)\>[?!]\@!"
  syn match rubyKeyword "\<\%(alias\|undef\)\>[?!]\@!"
 endif

@ -449,53 +412,62 @@ if !exists("ruby_no_special_methods")
 endif

 " Comments and Documentation {{{1
-syn match   rubySharpBang "\%^#!.*" display
-syn keyword rubyTodo	  FIXME NOTE TODO OPTIMIZE HACK REVIEW XXX todo contained
-syn match   rubyComment   "#.*" contains=rubySharpBang,rubySpaceError,rubyTodo,@Spell
+syn match   rubySharpBang    "\%^#!.*" display
+syn keyword rubyTodo	     FIXME NOTE TODO OPTIMIZE HACK REVIEW XXX todo contained
+syn match   rubyEncoding     "[[:alnum:]-]\+" contained display
+syn match   rubyMagicComment "\c\%<3l#\s*\zs\%(coding\|encoding\):"					contained nextgroup=rubyEncoding skipwhite
+syn match   rubyMagicComment "\c\%<10l#\s*\zs\%(frozen_string_literal\|warn_indent\|warn_past_scope\):" contained nextgroup=rubyBoolean  skipwhite
+syn match   rubyComment	     "#.*" contains=@rubyCommentSpecial,rubySpaceError,@Spell
+
+syn cluster rubyCommentSpecial contains=rubySharpBang,rubyTodo,rubyMagicComment
+syn cluster rubyCommentNotTop  contains=@rubyCommentSpecial,rubyEncoding
+
 if !exists("ruby_no_comment_fold") && s:foldable('#')
  syn region rubyMultilineComment start="^\s*#.*\n\%(^\s*#\)\@=" end="^\s*#.*\n\%(^\s*#\)\@!" contains=rubyComment transparent fold keepend
-  syn region rubyDocumentation	  start="^=begin\ze\%(\s.*\)\=$" end="^=end\%(\s.*\)\=$" contains=rubySpaceError,rubyTodo,@Spell fold
+  syn region rubyDocumentation	  start="^=begin\ze\%(\s.*\)\=$" end="^=end\%(\s.*\)\=$"      contains=rubySpaceError,rubyTodo,@Spell fold
 else
-  syn region rubyDocumentation	  start="^=begin\s*$" end="^=end\s*$" contains=rubySpaceError,rubyTodo,@Spell
+  syn region rubyDocumentation	  start="^=begin\s*$"		 end="^=end\s*$"              contains=rubySpaceError,rubyTodo,@Spell
 endif

+" {{{1 Useless line continuations
+syn match rubyUselessLineContinuation "\%([.:,;{([<>~\*%&^|+=-]\|\w\@1<![?!]\)\s*\zs\\$" nextgroup=rubyUselessLineContinuation skipwhite skipempty
+syn match rubyUselessLineContinuation "\\$"						 nextgroup=rubyUselessLineContinuation skipwhite skipempty contained
+
 " Keyword Nobbling {{{1
 " Note: this is a hack to prevent 'keywords' being highlighted as such when called as methods with an explicit receiver
 syn match rubyKeywordAsMethod "\%(\%(\.\@1<!\.\)\|::\)\_s*\%([_[:lower:]][_[:alnum:]]*\|\<\%(BEGIN\|END\)\>\)" transparent contains=NONE
 syn match rubyKeywordAsMethod "\(defined?\|exit!\)\@!\<[_[:lower:]][_[:alnum:]]*[?!]"			       transparent contains=NONE

 " More Symbols {{{1
-syn match  rubySymbol		"\%([{(,]\_s*\)\zs\l\w*[!?]\=::\@!"he=e-1
-syn match  rubySymbol		"[]})\"':]\@1<!\<\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*[!?]\=:[[:space:],]\@="he=e-1
-syn match  rubySymbol		"\%([{(,]\_s*\)\zs[[:space:],{]\l\w*[!?]\=::\@!"hs=s+1,he=e-1
-syn match  rubySymbol		"[[:space:],{(]\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*[!?]\=:[[:space:],]\@="hs=s+1,he=e-1
+syn match rubySymbol "\%([{(,]\_s*\)\@<=\l\w*[!?]\=::\@!"he=e-1
+syn match rubySymbol "[]})\"':]\@1<!\<\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*[!?]\=:[[:space:],]\@="he=e-1
+syn match rubySymbol "\%([{(,]\_s*\)\@<=[[:space:],{]\l\w*[!?]\=::\@!"hs=s+1,he=e-1
+syn match rubySymbol "[[:space:],{(]\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*[!?]\=:[[:space:],]\@="hs=s+1,he=e-1

 " __END__ Directive {{{1
-if s:foldable('__END__')
-  syn region rubyData matchgroup=rubyDataDirective start="^__END__$" end="\%$" fold
-else
-  syn region rubyData matchgroup=rubyDataDirective start="^__END__$" end="\%$"
-endif
+SynFold '__END__' syn region rubyData matchgroup=rubyDataDirective start="^__END__$" end="\%$"

 " Default Highlighting {{{1
 hi def link rubyClass			rubyDefine
 hi def link rubyModule			rubyDefine
-hi def link rubyMethodExceptional	rubyDefine
+hi def link rubyExceptionHandler1	rubyDefine
 hi def link rubyDefine			Define
 hi def link rubyAccess			rubyMacro
 hi def link rubyAttribute		rubyMacro
 hi def link rubyMacro			Macro
+hi def link rubyMethodName		rubyFunction
 hi def link rubyFunction		Function
 hi def link rubyConditional		Conditional
 hi def link rubyConditionalModifier	rubyConditional
-hi def link rubyExceptional		rubyConditional
+hi def link rubyExceptionHandler	rubyConditional
+hi def link rubyRescueModifier		rubyExceptionHandler
 hi def link rubyRepeat			Repeat
 hi def link rubyRepeatModifier		rubyRepeat
 hi def link rubyOptionalDo		rubyRepeat
 hi def link rubyControl			Statement
 hi def link rubyInclude			Include
 hi def link rubyInteger			Number
-hi def link rubyASCIICode		Character
+hi def link rubyCharacter		Character
 hi def link rubyFloat			Float
 hi def link rubyBoolean			Boolean
 hi def link rubyException		Exception
@ -515,39 +487,66 @@ hi def link rubyPredefinedConstant	rubyPredefinedIdentifier
 hi def link rubyPredefinedVariable	rubyPredefinedIdentifier
 hi def link rubySymbol			Constant
 hi def link rubyKeyword			Keyword
+
 hi def link rubyOperator		Operator
+hi def link rubyDotOperator		Operator
+hi def link rubyTernaryOperator		Operator
+hi def link rubyArithmeticOperator	Operator
+hi def link rubyComparisonOperator	Operator
+hi def link rubyBitwiseOperator		Operator
+hi def link rubyBooleanOperator		Operator
+hi def link rubyRangeOperator		Operator
+hi def link rubyAssignmentOperator	Operator
+hi def link rubyEqualityOperator	Operator
+hi def link rubyScopeOperator		Operator
+
 hi def link rubyBeginEnd		Statement
 hi def link rubyEval			Statement
 hi def link rubyPseudoVariable		Constant
 hi def link rubyCapitalizedMethod	rubyLocalVariableOrMethod

 hi def link rubyComment			Comment
+hi def link rubyEncoding		Constant
+hi def link rubyMagicComment		SpecialComment
 hi def link rubyData			Comment
 hi def link rubyDataDirective		Delimiter
 hi def link rubyDocumentation		Comment
 hi def link rubyTodo			Todo

+hi def link rubyBackslashEscape		rubyStringEscape
 hi def link rubyQuoteEscape		rubyStringEscape
+hi def link rubySpaceEscape		rubyStringEscape
+hi def link rubyParenthesesEscape	rubyStringEscape
+hi def link rubyCurlyBracesEscape	rubyStringEscape
+hi def link rubyAngleBracketsEscape	rubyStringEscape
+hi def link rubySquareBracketsEscape	rubyStringEscape
 hi def link rubyStringEscape		Special
+
 hi def link rubyInterpolationDelimiter	Delimiter
-hi def link rubyNoInterpolation		rubyString
 hi def link rubySharpBang		PreProc
+hi def link rubyStringDelimiter		Delimiter
+hi def link rubyHeredocDelimiter	rubyStringDelimiter
+hi def link rubyPercentRegexpDelimiter	rubyRegexpDelimiter
+hi def link rubyPercentStringDelimiter	rubyStringDelimiter
+hi def link rubyPercentSymbolDelimiter	rubySymbolDelimiter
 hi def link rubyRegexpDelimiter		rubyStringDelimiter
 hi def link rubySymbolDelimiter		rubySymbol
-hi def link rubyStringDelimiter		Delimiter
-hi def link rubyHeredoc			rubyString
 hi def link rubyString			String
 hi def link rubyRegexpEscape		rubyRegexpSpecial
 hi def link rubyRegexpQuantifier	rubyRegexpSpecial
 hi def link rubyRegexpAnchor		rubyRegexpSpecial
 hi def link rubyRegexpDot		rubyRegexpCharClass
 hi def link rubyRegexpCharClass		rubyRegexpSpecial
+hi def link rubyRegexpIntersection	rubyRegexpSpecial
 hi def link rubyRegexpSpecial		Special
 hi def link rubyRegexpComment		Comment
 hi def link rubyRegexp			rubyString

-hi def link rubyInvalidVariable		Error
 hi def link rubyError			Error
+if exists("ruby_line_continuation_error")
+  hi def link rubyUselessLineContinuation rubyError
+endif
+hi def link rubyGlobalVariableError	rubyError
 hi def link rubySpaceError		rubyError

 " Postscript {{{1
@ -556,6 +555,8 @@ let b:current_syntax = "ruby"
 let &cpo = s:cpo_sav
 unlet! s:cpo_sav

+delc SynFold
+
 " vim: nowrap sw=2 sts=2 ts=8 noet fdm=marker:

 endif
--- a/syntax/rust.vim
+++ b/syntax/rust.vim
@ -244,8 +244,8 @@ if !exists("b:current_syntax_embed")
    " possible to trick it if you try hard, and indented code blocks aren’t
    " supported because Markdown is a menace to parse and only mad dogs and
    " Englishmen would try to handle that case correctly in this syntax file).
-    syn region rustCommentLinesDocRustCode matchgroup=rustCommentDocCodeFence start='^\z(\s*//[!/]\s*```\)[^A-Za-z0-9_-]*\%(\%(should_panic\|no_run\|ignore\|allow_fail\|rust\|test_harness\|compile_fail\|E\d\{4}\)\%([^A-Za-z0-9_-]\+\|$\)\)*$' end='^\z1$' keepend contains=@RustCodeInComment,rustCommentLineDocLeader
-    syn region rustCommentBlockDocRustCode matchgroup=rustCommentDocCodeFence start='^\z(\%(\s*\*\)\?\s*```\)[^A-Za-z0-9_-]*\%(\%(should_panic\|no_run\|ignore\|allow_fail\|rust\|test_harness\|compile_fail\|E\d\{4}\)\%([^A-Za-z0-9_-]\+\|$\)\)*$' end='^\z1$' keepend contains=@RustCodeInComment,rustCommentBlockDocStar
+    syn region rustCommentLinesDocRustCode matchgroup=rustCommentDocCodeFence start='^\z(\s*//[!/]\s*```\)[^A-Za-z0-9_-]*\%(\%(should_panic\|no_run\|ignore\|allow_fail\|rust\|test_harness\|compile_fail\|E\d\{4}\|edition201[58]\)\%([^A-Za-z0-9_-]\+\|$\)\)*$' end='^\z1$' keepend contains=@RustCodeInComment,rustCommentLineDocLeader
+    syn region rustCommentBlockDocRustCode matchgroup=rustCommentDocCodeFence start='^\z(\%(\s*\*\)\?\s*```\)[^A-Za-z0-9_-]*\%(\%(should_panic\|no_run\|ignore\|allow_fail\|rust\|test_harness\|compile_fail\|E\d\{4}\|edition201[58]\)\%([^A-Za-z0-9_-]\+\|$\)\)*$' end='^\z1$' keepend contains=@RustCodeInComment,rustCommentBlockDocStar
    " Strictly, this may or may not be correct; this code, for example, would
    " mishighlight:
    "
--- a/syntax/terraform.vim
+++ b/syntax/terraform.vim
--- a/syntax/vifm.vim
+++ b/syntax/vifm.vim
@ -2,7 +2,7 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vifm') == -1
  
 " vifm syntax file
 " Maintainer:  xaizek <xaizek@posteo.net>
-" Last Change: December 19, 2018
+" Last Change: January 31, 2019
 " Inspired By: Vim syntax file by Dr. Charles E. Campbell, Jr.

 if exists('b:current_syntax')
@ -132,11 +132,11 @@ syntax keyword vifmOption contained aproposprg autochpos caseoptions cdpath cd
 		\ lsoptions lsview mediaprg milleroptions millerview mintimeoutlen number nu
 		\ numberwidth nuw previewprg quickview relativenumber rnu rulerformat ruf
 		\ runexec scrollbind scb scrolloff so sort sortgroups sortorder sortnumbers
-		\ shell sh shortmess shm showtabline stal sizefmt slowfs smartcase scs
-		\ statusline stl suggestoptions syncregs syscalls tabscope tabstop timefmt
-		\ timeoutlen title tm trash trashdir ts tuioptions to undolevels ul vicmd
-		\ viewcolumns vifminfo vimhelp vixcmd wildmenu wmnu wildstyle wordchars wrap
-		\ wrapscan ws
+		\ shell sh shellflagcmd shcf shortmess shm showtabline stal sizefmt slowfs
+		\ smartcase scs statusline stl suggestoptions syncregs syscalls tabscope
+		\ tabstop timefmt timeoutlen title tm trash trashdir ts tuioptions to
+		\ undolevels ul vicmd viewcolumns vifminfo vimhelp vixcmd wildmenu wmnu
+		\ wildstyle wordchars wrap wrapscan ws

 " Disabled boolean options
 syntax keyword vifmOption contained noautochpos nocf nochaselinks nodotfiles