diff --git a/after/ftplugin/terraform.vim b/after/ftplugin/terraform.vim
index 0597b42..a175098 100644
--- a/after/ftplugin/terraform.vim
+++ b/after/ftplugin/terraform.vim
@@ -39,6 +39,8 @@ function! TerraformFolds()
     return ">1"
   elseif match(thisline, '^terraform') >= 0
     return ">1"
+  elseif match(thisline, '^locals') >= 0
+    return ">1"
   else
     return "="
   endif
diff --git a/after/syntax/jsx.vim b/after/syntax/jsx.vim
index a8ca0ae..0598714 100644
--- a/after/syntax/jsx.vim
+++ b/after/syntax/jsx.vim
@@ -49,7 +49,7 @@ syn region jsxChild contained start=+{+ end=++ contains=jsBlock,javascriptBlock
 " and generic Flow type annotations (http://flowtype.org/).
 syn region jsxRegion
   \ contains=@Spell,@XMLSyntax,jsxRegion,jsxChild,jsBlock,javascriptBlock
-  \ start=+\%(<\|\w\)\@<!<\z([a-zA-Z][a-zA-Z0-9:\-.]*\)+
+  \ start=+\%(<\|\w\)\@<!<\z([a-zA-Z][a-zA-Z0-9:\-.]*\>[:,]\@!\)\([^>]*>(\)\@!+
   \ skip=+<!--\_.\{-}-->+
   \ end=+</\z1\_\s\{-}>+
   \ end=+/>+
diff --git a/compiler/go.vim b/compiler/go.vim
index 5c30dd2..162fa7f 100644
--- a/compiler/go.vim
+++ b/compiler/go.vim
@@ -6,10 +6,10 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'go') == -1
 "
 " compiler/go.vim: Vim compiler file for Go.
 
-if exists("current_compiler")
+if exists("g:current_compiler")
   finish
 endif
-let current_compiler = "go"
+let g:current_compiler = "go"
 
 if exists(":CompilerSet") != 2
   command -nargs=* CompilerSet setlocal <args>
diff --git a/ftdetect/polyglot.vim b/ftdetect/polyglot.vim
index d3a204e..e42ae50 100644
--- a/ftdetect/polyglot.vim
+++ b/ftdetect/polyglot.vim
@@ -339,15 +339,18 @@ function! s:gofiletype_post()
   let &g:fileencodings = s:current_fileencodings
 endfunction
 
-au BufNewFile *.go setfiletype go | setlocal fileencoding=utf-8 fileformat=unix
-au BufRead *.go call s:gofiletype_pre("go")
-au BufReadPost *.go call s:gofiletype_post()
+augroup vim-go-filetype
+  autocmd!
+  au BufNewFile *.go setfiletype go | setlocal fileencoding=utf-8 fileformat=unix
+  au BufRead *.go call s:gofiletype_pre("go")
+  au BufReadPost *.go call s:gofiletype_post()
 
-au BufNewFile *.s setfiletype asm | setlocal fileencoding=utf-8 fileformat=unix
-au BufRead *.s call s:gofiletype_pre("asm")
-au BufReadPost *.s call s:gofiletype_post()
+  au BufNewFile *.s setfiletype asm | setlocal fileencoding=utf-8 fileformat=unix
+  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 *.tmpl set filetype=gohtmltmpl
+augroup end
 
 " vim: sw=2 ts=2 et
 augroup END
@@ -919,7 +922,7 @@ fun! s:DetectScala()
     endif
 endfun
 
-au BufRead,BufNewFile *.scala set filetype=scala
+au BufRead,BufNewFile *.scala,*.sc set filetype=scala
 au BufRead,BufNewFile * call s:DetectScala()
 
 " Install vim-sbt for additional syntax highlighting.
@@ -1021,8 +1024,8 @@ augroup END
 
 augroup filetypedetect
 " toml:cespare/vim-toml
-" Rust uses several TOML config files that are not named with .toml.
-autocmd BufNewFile,BufRead *.toml,Cargo.lock,*/.cargo/config set filetype=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 set filetype=toml
 augroup END
 
 augroup filetypedetect
diff --git a/ftplugin/typescript.vim b/ftplugin/typescript.vim
index 2a9af1e..69631e1 100644
--- a/ftplugin/typescript.vim
+++ b/ftplugin/typescript.vim
@@ -15,7 +15,7 @@ setlocal commentstring=//\ %s
 " " and insert the comment leader when hitting <CR> or using "o".
 setlocal formatoptions-=t formatoptions+=croql
 
-setlocal suffixesadd+=.ts
+setlocal suffixesadd+=.ts,.tsx
 
 let b:undo_ftplugin = "setl fo< ofu< com< cms<"
 
diff --git a/indent/blade.vim b/indent/blade.vim
index 95cc00a..e93d48c 100644
--- a/indent/blade.vim
+++ b/indent/blade.vim
@@ -19,7 +19,7 @@ let b:did_indent = 1
 
 " Doesn't include 'foreach' and 'forelse' because these already get matched by 'for'.
 let s:directives_start = 'if\|else\|unless\|for\|while\|empty\|push\|section\|can\|hasSection\|verbatim\|php\|' .
-            \ 'component\|slot\|prepend'
+            \ 'component\|slot\|prepend\|auth\|guest'
 let s:directives_end = 'else\|end\|empty\|show\|stop\|append\|overwrite'
 
 if exists('g:blade_custom_directives_pairs')
diff --git a/indent/clojure.vim b/indent/clojure.vim
index f538195..6d21c3d 100644
--- a/indent/clojure.vim
+++ b/indent/clojure.vim
@@ -192,11 +192,7 @@ if exists("*searchpairpos")
 	" Check if form is a reader conditional, that is, it is prefixed by #?
 	" or @#?
 	function! s:is_reader_conditional_special_case(position)
-		if getline(a:position[0])[a:position[1] - 3 : a:position[1] - 2] == "#?"
-			return 1
-		endif
-
-		return 0
+		return getline(a:position[0])[a:position[1] - 3 : a:position[1] - 2] == "#?"
 	endfunction
 
 	" Returns 1 for opening brackets, -1 for _anything else_.
@@ -294,6 +290,19 @@ if exists("*searchpairpos")
 			return paren
 		endif
 
+		" If the keyword begins with #, check if it is an anonymous
+		" function or set, in which case we indent by the shiftwidth
+		" (minus one if g:clojure_align_subforms = 1), or if it is
+		" ignored, in which case we use the ( position for indent.
+		if w[0] == "#"
+			" TODO: Handle #=() and other rare reader invocations?
+			if w[1] == '(' || w[1] == '{'
+				return [paren[0], paren[1] + (g:clojure_align_subforms ? 0 : &shiftwidth - 1)]
+			elseif w[1] == '_'
+				return paren
+			endif
+		endif
+
 		" Test words without namespace qualifiers and leading reader macro
 		" metacharacters.
 		"
diff --git a/indent/glsl.vim b/indent/glsl.vim
index b959da0..64f3a6f 100644
--- a/indent/glsl.vim
+++ b/indent/glsl.vim
@@ -8,6 +8,7 @@ if exists("b:did_indent")
 endif
 
 setlocal autoindent cindent
+setlocal formatoptions+=roq
 
 " vim:set sts=2 sw=2 :
 
diff --git a/indent/javascript.vim b/indent/javascript.vim
index 728fa11..f6fda1d 100644
--- a/indent/javascript.vim
+++ b/indent/javascript.vim
@@ -12,10 +12,6 @@ if exists('b:did_indent')
 endif
 let b:did_indent = 1
 
-" indent correctly if inside <script>
-" vim/vim@690afe1 for the switch from cindent
-let b:html_indent_script1 = 'inc'
-
 " Now, set up our indentation expression and keys that trigger it.
 setlocal indentexpr=GetJavascriptIndent()
 setlocal autoindent nolisp nosmartindent
@@ -27,13 +23,6 @@ setlocal indentkeys+=0],0)
 
 let b:undo_indent = 'setlocal indentexpr< smartindent< autoindent< indentkeys<'
 
-" Regex of syntax group names that are or delimit string or are comments.
-let b:syng_strcom = get(b:,'syng_strcom','string\|comment\|regex\|special\|doc\|template\%(braces\)\@!')
-let b:syng_str = get(b:,'syng_str','string\|template\|special')
-" template strings may want to be excluded when editing graphql:
-" au! Filetype javascript let b:syng_str = '^\%(.*template\)\@!.*string\|special'
-" au! Filetype javascript let b:syng_strcom = '^\%(.*template\)\@!.*string\|comment\|regex\|special\|doc'
-
 " Only define the function once.
 if exists('*GetJavascriptIndent')
   finish
@@ -42,6 +31,23 @@ endif
 let s:cpo_save = &cpo
 set cpo&vim
 
+" indent correctly if inside <script>
+" vim/vim@690afe1 for the switch from cindent
+" overridden with b:html_indent_script1
+call extend(g:,{'html_indent_script1': 'inc'},'keep')
+
+" Regex of syntax group names that are or delimit string or are comments.
+let s:bvars = {
+      \ 'syng_strcom': 'string\|comment\|regex\|special\|doc\|template\%(braces\)\@!',
+      \ 'syng_str': 'string\|template\|special' }
+" template strings may want to be excluded when editing graphql:
+" au! Filetype javascript let b:syng_str = '^\%(.*template\)\@!.*string\|special'
+" au! Filetype javascript let b:syng_strcom = '^\%(.*template\)\@!.*string\|comment\|regex\|special\|doc'
+
+function s:GetVars()
+  call extend(b:,extend(s:bvars,{'js_cache': [0,0,0]}),'keep')
+endfunction
+
 " Get shiftwidth value
 if exists('*shiftwidth')
   function s:sw()
@@ -106,9 +112,7 @@ endfunction
 function s:SkipFunc()
   if s:top_col == 1
     throw 'out of bounds'
-  endif
-  let s:top_col = 0
-  if s:check_in
+  elseif s:check_in
     if eval(s:skip_expr)
       return 1
     endif
@@ -161,19 +165,29 @@ function s:Token()
   return s:LookingAt() =~ '\k' ? expand('<cword>') : s:LookingAt()
 endfunction
 
-function s:PreviousToken()
-  let l:col = col('.')
+function s:PreviousToken(...)
+  let [l:pos, tok] = [getpos('.'), '']
   if search('\m\k\{1,}\|\S','ebW')
-    if search('\m\*\%#\/\|\/\/\%<'.a:firstline.'l','nbW',line('.')) && eval(s:in_comm)
-      if s:SearchLoop('\S\ze\_s*\/[/*]','bW',s:in_comm)
-        return s:Token()
+    if getline('.')[col('.')-2:col('.')-1] == '*/'
+      if eval(s:in_comm) && !s:SearchLoop('\S\ze\_s*\/[/*]','bW',s:in_comm)
+        call setpos('.',l:pos)
+      else
+        let tok = s:Token()
       endif
-      call cursor(a:firstline, l:col)
     else
-      return s:Token()
+      let two = a:0 || line('.') != l:pos[1] ? strridx(getline('.')[:col('.')],'//') + 1 : 0
+      if two && eval(s:in_comm)
+        call cursor(0,two)
+        let tok = s:PreviousToken(1)
+        if tok is ''
+          call setpos('.',l:pos)
+        endif
+      else
+        let tok = s:Token()
+      endif
     endif
   endif
-  return ''
+  return tok
 endfunction
 
 function s:Pure(f,...)
@@ -217,15 +231,14 @@ let s:opfirst = '^' . get(g:,'javascript_opfirst',
 let s:continuation = get(g:,'javascript_continuation',
       \ '\C\%([<=,.~!?/*^%|&:]\|+\@<!+\|-\@<!-\|=\@<!>\|\<\%(typeof\|new\|delete\|void\|in\|instanceof\|await\)\)') . '$'
 
-function s:Continues(ln,con)
-  let tok = matchstr(a:con[-15:],s:continuation)
+function s:Continues()
+  let tok = matchstr(strpart(getline('.'),col('.')-15,15),s:continuation)
   if tok =~ '[a-z:]'
-    call cursor(a:ln, len(a:con))
     return tok == ':' ? s:ExprCol() : s:PreviousToken() != '.'
   elseif tok !~ '[/>]'
     return tok isnot ''
   endif
-  return s:SynAt(a:ln, len(a:con)) !~? (tok == '>' ? 'jsflow\|^html' : 'regex')
+  return s:SynAt(line('.'),col('.')) !~? (tok == '>' ? 'jsflow\|^html' : 'regex')
 endfunction
 
 " Check if line 'lnum' has a balanced amount of parentheses.
@@ -259,21 +272,27 @@ endfunction
 
 function s:DoWhile()
   let cpos = searchpos('\m\<','cbW')
-  if s:SearchLoop('\C[{}]\|\<\%(do\|while\)\>','bW',s:skip_expr)
-    if s:{s:LookingAt() == '}' && s:GetPair('{','}','bW',s:skip_expr) ?
-          \ 'Previous' : ''}Token() ==# 'do' && s:IsBlock()
-      return 1
+  while s:SearchLoop('\C[{}]\|\<\%(do\|while\)\>','bW',s:skip_expr)
+    if s:LookingAt() =~ '\a'
+      if s:Pure('s:IsBlock')
+        if s:LookingAt() ==# 'd'
+          return 1
+        endif
+        break
+      endif
+    elseif s:LookingAt() != '}' || !s:GetPair('{','}','bW',s:skip_expr)
+      break
     endif
-    call call('cursor',cpos)
-  endif
+  endwhile
+  call call('cursor',cpos)
 endfunction
 
 " returns total offset from braceless contexts. 'num' is the lineNr which
 " encloses the entire context, 'cont' if whether a:firstline is a continued
 " expression, which could have started in a braceless context
-function s:IsContOne(num,cont)
-  let [l:num, b_l] = [a:num + !a:num, 0]
-  let pind = a:num ? indent(a:num) + s:sw() : 0
+function s:IsContOne(cont)
+  let [l:num, b_l] = [b:js_cache[1] + !b:js_cache[1], 0]
+  let pind = b:js_cache[1] ? indent(b:js_cache[1]) + s:sw() : 0
   let ind = indent('.') + !a:cont
   while line('.') > l:num && ind > pind || line('.') == l:num
     if indent('.') < ind && s:OneScope()
@@ -300,6 +319,7 @@ endfunction
 function s:IsBlock()
   let tok = s:PreviousToken()
   if join(s:stack) =~? 'xml\|jsx' && s:SynAt(line('.'),col('.')-1) =~? 'xml\|jsx'
+    let s:in_jsx = 1
     return tok != '{'
   elseif tok =~ '\k'
     if tok ==# 'type'
@@ -324,7 +344,7 @@ function s:IsBlock()
 endfunction
 
 function GetJavascriptIndent()
-  let b:js_cache = get(b:,'js_cache',[0,0,0])
+  call s:GetVars()
   let s:synid_cache = [[],[]]
   let l:line = getline(v:lnum)
   " use synstack as it validates syn state and works in an empty line
@@ -386,10 +406,10 @@ function GetJavascriptIndent()
 
   let [b:js_cache[0], num] = [v:lnum, b:js_cache[1]]
 
-  let [num_ind, is_op, b_l, l:switch_offset] = [s:Nat(indent(num)),0,0,0]
+  let [num_ind, is_op, b_l, l:switch_offset, s:in_jsx] = [s:Nat(indent(num)),0,0,0,0]
   if !num || s:LookingAt() == '{' && s:IsBlock()
     let ilnum = line('.')
-    if num && s:LookingAt() == ')' && s:GetPair('(',')','bW',s:skip_expr)
+    if num && !s:in_jsx && s:LookingAt() == ')' && s:GetPair('(',')','bW',s:skip_expr)
       if ilnum == num
         let [num, num_ind] = [line('.'), indent('.')]
       endif
@@ -403,26 +423,24 @@ function GetJavascriptIndent()
       endif
     endif
     if idx == -1 && pline[-1:] !~ '[{;]'
+      call cursor(l:lnum, len(pline))
       let sol = matchstr(l:line,s:opfirst)
       if sol is '' || sol == '/' && s:SynAt(v:lnum,
             \ 1 + len(getline(v:lnum)) - len(l:line)) =~? 'regex'
-        if s:Continues(l:lnum,pline)
+        if s:Continues()
           let is_op = s:sw()
         endif
-      elseif num && sol =~# '^\%(in\%(stanceof\)\=\|\*\)$'
-        call cursor(l:lnum, len(pline))
-        if s:LookingAt() == '}' && s:GetPair('{','}','bW',s:skip_expr) &&
-              \ s:PreviousToken() == ')' && s:GetPair('(',')','bW',s:skip_expr) &&
-              \ (s:PreviousToken() == ']' || s:Token() =~ '\k' &&
-              \ s:{s:PreviousToken() == '*' ? 'Previous' : ''}Token() !=# 'function')
-          return num_ind + s:sw()
-        endif
-        let is_op = s:sw()
+      elseif num && sol =~# '^\%(in\%(stanceof\)\=\|\*\)$' &&
+            \ s:LookingAt() == '}' && s:GetPair('{','}','bW',s:skip_expr) &&
+            \ s:PreviousToken() == ')' && s:GetPair('(',')','bW',s:skip_expr) &&
+            \ (s:PreviousToken() == ']' || s:LookingAt() =~ '\k' &&
+            \ s:{s:PreviousToken() == '*' ? 'Previous' : ''}Token() !=# 'function')
+        return num_ind + s:sw()
       else
         let is_op = s:sw()
       endif
       call cursor(l:lnum, len(pline))
-      let b_l = s:Nat(s:IsContOne(b:js_cache[1],is_op) - (!is_op && l:line =~ '^{')) * s:sw()
+      let b_l = s:Nat(s:IsContOne(is_op) - (!is_op && l:line =~ '^{')) * s:sw()
     endif
   elseif idx.s:LookingAt().&cino =~ '^-1(.*(' && (search('\m\S','nbW',num) || s:ParseCino('U'))
     let pval = s:ParseCino('(')
@@ -438,10 +456,10 @@ function GetJavascriptIndent()
 
   " main return
   if l:line =~ '^[])}]\|^|}'
-    if l:line_raw[0] == ')' && getline(num)[b:js_cache[2]-1] == '('
+    if l:line_raw[0] == ')'
       if s:ParseCino('M')
         return indent(l:lnum)
-      elseif &cino =~# 'm' && !s:ParseCino('m')
+      elseif num && &cino =~# 'm' && !s:ParseCino('m')
         return virtcol('.') - 1
       endif
     endif
diff --git a/indent/lua.vim b/indent/lua.vim
index 3c33c03..8e5e63e 100644
--- a/indent/lua.vim
+++ b/indent/lua.vim
@@ -74,48 +74,42 @@ function GetLuaIndent()
 
   let original_cursor_pos = getpos(".")
 
-  let i = 0
-
-  " check if the previous line opens blocks
+  " count how many blocks the previous line opens
   call cursor(v:lnum, 1)
-  let num_pairs = searchpair(s:open_patt, s:middle_patt, s:close_patt,
+  let num_prev_opens = searchpair(s:open_patt, s:middle_patt, s:close_patt,
         \ 'mrb', s:skip_expr, prev_line)
-  if num_pairs > 0
-    let i += num_pairs
-  endif
 
-  " special case: call(with, {anon = function() -- should indent only once
-  if num_pairs > 1 && contents_prev =~# s:anon_func_start
-    let i = 1
-  endif
-
-  " check if current line closes blocks
+  " count how many blocks the current line closes
   call cursor(prev_line, col([prev_line,'$']))
-  let num_pairs = searchpair(s:open_patt, s:middle_patt, s:close_patt,
+  let num_cur_closes = searchpair(s:open_patt, s:middle_patt, s:close_patt,
         \ 'mr', s:skip_expr, v:lnum)
-  if num_pairs > 0
-    let i -= num_pairs
-  endif
 
-  " special case: end}) -- end of call with anon func should unindent once
-  if num_pairs > 1 && contents_cur =~# s:anon_func_end
-    let i = -1
-  endif
+  let i = num_prev_opens - num_cur_closes
 
-  " if the previous line closed a paren, unindent (except with anon funcs)
+  " if the previous line closed a paren, outdent (except with anon funcs)
   call cursor(prev_line - 1, col([prev_line - 1, '$']))
-  let num_pairs = searchpair('(', '', ')', 'mr', s:skip_expr, prev_line)
-  if num_pairs > 0 && contents_prev !~ s:anon_func_end
+  let num_prev_closed_parens = searchpair('(', '', ')', 'mr', s:skip_expr, prev_line)
+  if num_prev_closed_parens > 0 && contents_prev !~# s:anon_func_end
     let i -= 1
   endif
 
   " if this line closed a paren, indent (except with anon funcs)
   call cursor(prev_line, col([prev_line, '$']))
-  let num_pairs = searchpair('(', '', ')', 'mr', s:skip_expr, v:lnum)
-  if num_pairs > 0 && contents_cur !~ s:anon_func_end
+  let num_cur_closed_parens = searchpair('(', '', ')', 'mr', s:skip_expr, v:lnum)
+  if num_cur_closed_parens > 0 && contents_cur !~# s:anon_func_end
     let i += 1
   endif
 
+  " special case: call(with, {anon = function() -- should indent only once
+  if i > 1 && contents_prev =~# s:anon_func_start
+    let i = 1
+  endif
+
+  " special case: end}) -- end of call w/ anon func should outdent only once
+  if i < -1 && contents_cur =~# s:anon_func_end
+    let i = -1
+  endif
+
   " restore cursor
   call setpos(".", original_cursor_pos)
 
diff --git a/indent/perl.vim b/indent/perl.vim
index 42cc1d0..8551e11 100644
--- a/indent/perl.vim
+++ b/indent/perl.vim
@@ -136,9 +136,9 @@ function! GetPerlIndent()
                         \ || synid =~ '^perl\(Sub\|Block\|Package\)Fold'
                 let brace = strpart(line, bracepos, 1)
                 if brace == '(' || brace == '{' || brace == '['
-                    let ind = ind + &sw
+                    let ind = ind + shiftwidth()
                 else
-                    let ind = ind - &sw
+                    let ind = ind - shiftwidth()
                 endif
             endif
             let bracepos = match(line, braceclass, bracepos + 1)
@@ -151,25 +151,25 @@ function! GetPerlIndent()
                         \ || synid == "perlBraces"
                         \ || synid == "perlStatementIndirObj"
                         \ || synid =~ '^perl\(Sub\|Block\|Package\)Fold'
-                let ind = ind - &sw
+                let ind = ind - shiftwidth()
             endif
         endif
     else
         if line =~ '[{[(]\s*\(#[^])}]*\)\=$'
-            let ind = ind + &sw
+            let ind = ind + shiftwidth()
         endif
         if cline =~ '^\s*[])}]'
-            let ind = ind - &sw
+            let ind = ind - shiftwidth()
         endif
     endif
 
     " Indent lines that begin with 'or' or 'and'
     if cline =~ '^\s*\(or\|and\)\>'
         if line !~ '^\s*\(or\|and\)\>'
-            let ind = ind + &sw
+            let ind = ind + shiftwidth()
         endif
     elseif line =~ '^\s*\(or\|and\)\>'
-        let ind = ind - &sw
+        let ind = ind - shiftwidth()
     endif
 
     return ind
diff --git a/indent/ps1.vim b/indent/ps1.vim
index 6de2459..f2ba5e8 100644
--- a/indent/ps1.vim
+++ b/indent/ps1.vim
@@ -16,7 +16,7 @@ let b:did_indent = 1
 " smartindent is good enough for powershell
 setlocal smartindent
 " disable the indent removal for # marks
-inoremap # X#
+inoremap <buffer> # X#
 
 let b:undo_indent = "setl si<"
 
diff --git a/indent/qml.vim b/indent/qml.vim
index ea08370..18807a7 100644
--- a/indent/qml.vim
+++ b/indent/qml.vim
@@ -4,7 +4,7 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'qml') == -1
 " Language:     QML
 " Author:       Robert Kieffer
 " URL:
-" Last Change:  2010-03-27 (Happy Birthday, Dash!)
+" Last Change:  2017-10-27
 "
 " Improved JavaScript indent script.
 
@@ -22,10 +22,10 @@ if exists("*GetJsIndent")
   finish
 endif
 
-" Clean up a line of code by removing trailing '//' comments, and trimming
+" Clean up a line of code by removing trailing '//' and '/* */' comments, and trimming
 " whitespace
 function! Trim(line)
-  return substitute(substitute(a:line, '// .*', '', ''), '^\s*\|\s*$', '', 'g')
+  return substitute(substitute(substitute(a:line, '// .*', '', ''), '/\* .* \*/', '', ''), '^\s*\|\s*$', '', 'g')
 endfunction
 
 function! GetJsIndent()
diff --git a/syntax/crystal.vim b/syntax/crystal.vim
index 0ddf765..5b13d4c 100644
--- a/syntax/crystal.vim
+++ b/syntax/crystal.vim
@@ -11,17 +11,17 @@ endif
 
 syn cluster crystalNotTop contains=@crystalExtendedStringSpecial,@crystalRegexpSpecial,@crystalDeclaration,crystalConditional,crystalExceptional,crystalMethodExceptional,crystalTodo,crystalLinkAttr
 
-if exists('crystal_space_errors')
-  if !exists('crystal_no_trail_space_error')
+if exists('g:crystal_space_errors')
+  if !exists('g:crystal_no_trail_space_error')
     syn match crystalSpaceError display excludenl "\s\+$"
   endif
-  if !exists('crystal_no_tab_space_error')
+  if !exists('g:crystal_no_tab_space_error')
     syn match crystalSpaceError display " \+\t"me=e-1
   endif
 endif
 
 " Operators
-if exists('crystal_operators')
+if exists('g:crystal_operators')
   syn match  crystalOperator "[~!^&|*/%+-]\|\%(class\s*\)\@<!<<\|<=>\|<=\|\%(<\|\<class\s\+\u\w*\s*\)\@<!<[^<]\@=\|===\|==\|=\~\|>>\|>=\|=\@<!>\|\*\*\|\.\.\.\|\.\.\|::"
   syn match  crystalOperator "->\|-=\|/=\|\*\*=\|\*=\|&&=\|&=\|&&\|||=\||=\|||\|%=\|+=\|!\~\|!="
   syn region crystalBracketOperator matchgroup=crystalOperator start="\%(\w[?!]\=\|[]})]\)\@<=\[\s*" end="\s*]" contains=ALLBUT,@crystalNotTop
@@ -170,39 +170,39 @@ syn region crystalString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<
 syn region crystalString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<-'\z([^']*\)'\ze\%(.*<<-\=['`"]\=\h\)\@!+hs=s+3  matchgroup=crystalStringDelimiter end=+^\s*\zs\z1$+ contains=crystalHeredocStart		     fold keepend
 syn region crystalString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<-`\z([^`]*\)`\ze\%(.*<<-\=['`"]\=\h\)\@!+hs=s+3  matchgroup=crystalStringDelimiter end=+^\s*\zs\z1$+ contains=crystalHeredocStart,@crystalStringSpecial fold keepend
 
-if exists('main_syntax') && g:main_syntax ==# 'ecrystal'
+if exists('g:main_syntax') && g:main_syntax ==# 'ecrystal'
   let b:crystal_no_expensive = 1
 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  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
+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 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
 
 syn cluster crystalDeclaration contains=crystalAliasDeclaration,crystalAliasDeclaration2,crystalMethodDeclaration,crystalFunctionDeclaration,crystalModuleDeclaration,crystalClassDeclaration,crystalStructDeclaration,crystalLibDeclaration,crystalMacroDeclaration,crystalFunction,crystalBlockParameter,crystalTypeDeclaration,crystalEnumDeclaration
 
 " Keywords
 " Note: the following keywords have already been defined:
 " begin case class def do end for if module unless until while
-syn match   crystalControl	       "\<\%(break\|in\|next\|rescue\|return\)\>[?!]\@!"
-syn match   crystalOperator       "\<defined?" display
-syn match   crystalKeyword	       "\<\%(super\|previous_def\|yield\|as\|of\|with\)\>[?!]\@!"
-syn match   crystalBoolean	       "\<\%(true\|false\)\>[?!]\@!"
-syn match   crystalPseudoVariable "\<\%(nil\|self\|__DIR__\|__FILE__\|__LINE__\)\>[?!]\@!" " TODO: reorganise
+syn match crystalControl	       "\<\%(break\|in\|next\|rescue\|return\)\>[?!]\@!"
+syn match crystalOperator       "\<defined?" display
+syn match crystalKeyword	       "\<\%(super\|previous_def\|yield\|of\|with\|uninitialized\|union\)\>[?!]\@!"
+syn match crystalBoolean	       "\<\%(true\|false\)\>[?!]\@!"
+syn match crystalPseudoVariable "\<\%(nil\|self\|__DIR__\|__FILE__\|__LINE__\|__END_LINE__\)\>[?!]\@!" " TODO: reorganise
 
 " Expensive Mode - match 'end' with the appropriate opening keyword for syntax
 " based folding and special highlighting of module/class/method definitions
-if !exists('b:crystal_no_expensive') && !exists('crystal_no_expensive')
+if !exists('b:crystal_no_expensive') && !exists('g:crystal_no_expensive')
   syn match crystalDefine "\<alias\>"  nextgroup=crystalAliasDeclaration  skipwhite skipnl
   syn match crystalDefine "\<def\>"    nextgroup=crystalMethodDeclaration skipwhite skipnl
   syn match crystalDefine "\<fun\>"    nextgroup=crystalFunctionDeclaration skipwhite skipnl
@@ -246,10 +246,10 @@ if !exists('b:crystal_no_expensive') && !exists('crystal_no_expensive')
   syn region crystalOptionalDoLine   matchgroup=crystalRepeat start="\<for\>[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![!=?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=crystalOptionalDo end="\%(\<do\>\)" end="\ze\%(;\|$\)" oneline contains=ALLBUT,@crystalNotTop
   syn region crystalRepeatExpression start="\<for\>[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![!=?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=crystalRepeat end="\<end\>" contains=ALLBUT,@crystalNotTop nextgroup=crystalOptionalDoLine fold
 
-  if !exists('crystal_minlines')
-    let crystal_minlines = 500
+  if !exists('g:crystal_minlines')
+    let g:crystal_minlines = 500
   endif
-  exec 'syn sync minlines=' . crystal_minlines
+  exec 'syn sync minlines=' . g:crystal_minlines
 
 else
   syn match crystalControl "\<def\>[?!]\@!"    nextgroup=crystalMethodDeclaration skipwhite skipnl
@@ -271,7 +271,7 @@ syn match crystalLinkAttr "@\[" contained containedin=crystalLinkAttrRegion disp
 syn match crystalLinkAttr "]" contained containedin=crystalLinkAttrRegion display
 
 " Special Methods
-if !exists('crystal_no_special_methods')
+if !exists('g:crystal_no_special_methods')
   syn keyword crystalAccess    protected private
   " attr is a common variable name
   syn keyword crystalAttribute getter setter property abstract
@@ -293,7 +293,7 @@ syn match crystalMacro "\%({%\|%}\|{{\|}}\)" nextgroup=crystalMacroRegion skipwh
 syn match   crystalSharpBang "\%^#!.*" display
 syn keyword crystalTodo	  FIXME NOTE TODO OPTIMIZE XXX todo contained
 syn match   crystalComment   "#.*" contains=crystalSharpBang,crystalSpaceError,crystalTodo,@Spell
-if !exists('crystal_no_comment_fold')
+if !exists('g:crystal_no_comment_fold')
   syn region crystalMultilineComment start="\%(\%(^\s*#.*\n\)\@<!\%(^\s*#.*\n\)\)\%(\(^\s*#.*\n\)\{1,}\)\@=" end="\%(^\s*#.*\n\)\@<=\%(^\s*#.*\n\)\%(^\s*#\)\@!" contains=crystalComment transparent fold keepend
 endif
 
@@ -307,7 +307,7 @@ syn match crystalKeywordAsMethod "\<\%(alias\|begin\|case\|class\|def\|do\|end\)
 syn match crystalKeywordAsMethod "\<\%(if\|ifdef\|module\|undef\|unless\|until\|while\)[?!]" transparent contains=NONE
 
 syn match crystalKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(abort\|at_exit\|caller\|exit\)\>"		transparent contains=NONE
-syn match crystalKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(extend\|fork\|include\)\>"			transparent contains=NONE
+syn match crystalKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(extend\|fork\|include\|asm\)\>"			transparent contains=NONE
 syn match crystalKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(loop\|private\|protected\)\>"		transparent contains=NONE
 syn match crystalKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(require\|raise\)\>"	transparent contains=NONE
 syn match crystalKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(typeof\|pointerof\|sizeof\|instance_sizeof\|\)\>"	transparent contains=NONE
@@ -335,7 +335,7 @@ hi def link crystalASCIICode		Character
 hi def link crystalFloat			Float
 hi def link crystalBoolean			Boolean
 hi def link crystalException		Exception
-if !exists('crystal_no_identifiers')
+if !exists('g:crystal_no_identifiers')
   hi def link crystalIdentifier		Identifier
 else
   hi def link crystalIdentifier		NONE
diff --git a/syntax/dart.vim b/syntax/dart.vim
index 460c74a..7847b98 100644
--- a/syntax/dart.vim
+++ b/syntax/dart.vim
@@ -72,6 +72,7 @@ syntax keyword dartTodo          contained TODO FIXME XXX
 syntax region  dartComment       start="/\*"  end="\*/" contains=dartComment,dartTodo,dartDocLink,@Spell
 syntax match   dartLineComment   "//.*" contains=dartTodo,@Spell
 syntax match   dartLineDocComment "///.*" contains=dartTodo,dartDocLink,@Spell
+syntax match   dartShebangLine   /^\%1l#!.*/
 syntax region  dartDocLink       oneline contained start=+\[+ end=+\]+
 
 " Strings
@@ -110,6 +111,7 @@ highlight default link dartOperator        Operator
 highlight default link dartComment         Comment
 highlight default link dartLineComment     Comment
 highlight default link dartLineDocComment  Comment
+highlight default link dartShebangLine     Comment
 highlight default link dartConstant        Constant
 highlight default link dartTypedef         Typedef
 highlight default link dartTodo            Todo
diff --git a/syntax/elixir.vim b/syntax/elixir.vim
index beb1317..ba1f10c 100644
--- a/syntax/elixir.vim
+++ b/syntax/elixir.vim
@@ -120,10 +120,10 @@ syn region elixirSigil matchgroup=elixirSigilDelimiter start=+\~\a\z('''\)+ end=
 " Documentation
 if exists('g:elixir_use_markdown_for_docs') && g:elixir_use_markdown_for_docs
   syn include @markdown syntax/markdown.vim
-  syn cluster elixirDocStringContained contains=@markdown,@Spell
+  syn cluster elixirDocStringContained contains=@markdown,@Spell,elixirInterpolation
 else
   let g:elixir_use_markdown_for_docs = 0
-  syn cluster elixirDocStringContained contains=elixirDocTest,elixirTodo,@Spell
+  syn cluster elixirDocStringContained contains=elixirDocTest,elixirTodo,@Spell,elixirInterpolation
 
   " doctests
   syn region elixirDocTest start="^\s*\%(iex\|\.\.\.\)\%((\d*)\)\?>\s" end="^\s*$" contained
diff --git a/syntax/git.vim b/syntax/git.vim
index 964b0b8..53f44d3 100644
--- a/syntax/git.vim
+++ b/syntax/git.vim
@@ -15,7 +15,7 @@ syn sync minlines=50
 syn include @gitDiff syntax/diff.vim
 
 syn region gitHead start=/\%^/ end=/^$/
-syn region gitHead start=/\%(^commit \x\{40\}\%(\s*(.*)\)\=$\)\@=/ end=/^$/
+syn region gitHead start=/\%(^commit\%( \x\{40\}\)\{1,\}\%(\s*(.*)\)\=$\)\@=/ end=/^$/
 
 " For git reflog and git show ...^{tree}, avoid sync issues
 syn match gitHead /^\d\{6\} \%(\w\{4} \)\=\x\{40\}\%( [0-3]\)\=\t.*/
diff --git a/syntax/gohtmltmpl.vim b/syntax/gohtmltmpl.vim
index 00432a0..d419841 100644
--- a/syntax/gohtmltmpl.vim
+++ b/syntax/gohtmltmpl.vim
@@ -4,8 +4,8 @@ if exists("b:current_syntax")
   finish
 endif
 
-if !exists("main_syntax")
-  let main_syntax = 'html'
+if !exists("g:main_syntax")
+  let g:main_syntax = 'html'
 endif
 
 runtime! syntax/gotexttmpl.vim
diff --git a/syntax/haskell.vim b/syntax/haskell.vim
index bd5c02c..048a40e 100644
--- a/syntax/haskell.vim
+++ b/syntax/haskell.vim
@@ -99,6 +99,7 @@ syn region haskellBlockComment start="{-" end="-}"
   \ haskellTodo,
   \ @Spell
 syn region haskellPragma start="{-#" end="#-}"
+syn region haskellLiquid start="{-@" end="@-}"
 syn match haskellPreProc "^#.*$"
 syn keyword haskellTodo TODO FIXME contained
 " Treat a shebang line at the start of the file as a comment
@@ -147,6 +148,7 @@ highlight def link haskellShebang Comment
 highlight def link haskellLineComment Comment
 highlight def link haskellBlockComment Comment
 highlight def link haskellPragma SpecialComment
+highlight def link haskellLiquid SpecialComment
 highlight def link haskellString String
 highlight def link haskellChar String
 highlight def link haskellBacktick Operator
diff --git a/syntax/i3.vim b/syntax/i3.vim
index 437313b..cbac6a5 100644
--- a/syntax/i3.vim
+++ b/syntax/i3.vim
@@ -35,6 +35,8 @@ syn match   i3NoStartupId '--no-startup-id' contained
 syn keyword i3WsSpecialParam next prev next_on_output prev_on_output back_and_forth current number
 syn keyword i3BordersSpecialParam none vertical horizontal both
 syn keyword i3ModeParam dock hide invisible skipwhite
+syn keyword i3GapsCommand gaps smart_gaps smart_borders
+syn keyword i3GapsParam inner outer current all set plus minus no_gaps
 
 " these are not keywords but we add them for consistency
 syn keyword i3PseudoParam no false inactive
@@ -99,6 +101,7 @@ highlight link i3ColorLast            Constant
 highlight link i3WsSpecialParam       Constant
 highlight link i3BordersSpecialParam  Constant
 highlight link i3ModeParam            Constant
+highlight link i3GapsParam            Constant
 
 highlight link i3Var                  Identifier
 highlight link i3SetVar               Identifier
@@ -115,6 +118,7 @@ highlight link i3Font                 String
 highlight link i3ExecKeyword          Keyword
 highlight link i3Command              Keyword
 highlight link i3WsKeyword            Keyword
+highlight link i3GapsCommand          Keyword
 
 highlight link i3ColorDef1            Define
 highlight link i3ColorDef3            Define
diff --git a/syntax/javascript.vim b/syntax/javascript.vim
index 2461833..cd9e853 100644
--- a/syntax/javascript.vim
+++ b/syntax/javascript.vim
@@ -26,17 +26,17 @@ syntax sync fromstart
 " syntax case ignore
 syntax case match
 
-syntax match   jsNoise          /[:,\;]\{1}/
-syntax match   jsNoise          /[\.]\{1}/ skipwhite skipempty nextgroup=jsObjectProp,jsFuncCall,jsPrototype,jsTaggedTemplate
-syntax match   jsObjectProp     contained /\<[a-zA-Z_$][0-9a-zA-Z_$]*\>/
-syntax match   jsFuncCall       /\k\+\%(\s*(\)\@=/
+syntax match   jsNoise          /[:,;]/
+syntax match   jsNoise          /\./ skipwhite skipempty nextgroup=jsObjectProp,jsFuncCall,jsPrototype,jsTaggedTemplate
+syntax match   jsObjectProp     contained /\<\K\k*/
+syntax match   jsFuncCall       /\<\K\k*\ze\s*(/
 syntax match   jsParensError    /[)}\]]/
 
 " Program Keywords
 syntax keyword jsStorageClass   const var let skipwhite skipempty nextgroup=jsDestructuringBlock,jsDestructuringArray,jsVariableDef
-syntax match   jsVariableDef    contained /\k\+/ skipwhite skipempty nextgroup=jsFlowDefinition
+syntax match   jsVariableDef    contained /\<\K\k*/ skipwhite skipempty nextgroup=jsFlowDefinition
 syntax keyword jsOperator       delete instanceof typeof void new in of skipwhite skipempty nextgroup=@jsExpression
-syntax match   jsOperator       /[\!\|\&\+\-\<\>\=\%\/\*\~\^]\{1}/ skipwhite skipempty nextgroup=@jsExpression
+syntax match   jsOperator       "[-!|&+<>=%/*~^]" skipwhite skipempty nextgroup=@jsExpression
 syntax match   jsOperator       /::/ skipwhite skipempty nextgroup=@jsExpression
 syntax keyword jsBooleanTrue    true
 syntax keyword jsBooleanFalse   false
@@ -44,7 +44,7 @@ syntax keyword jsBooleanFalse   false
 " Modules
 syntax keyword jsImport                       import skipwhite skipempty nextgroup=jsModuleAsterisk,jsModuleKeyword,jsModuleGroup,jsFlowImportType
 syntax keyword jsExport                       export skipwhite skipempty nextgroup=@jsAll,jsModuleGroup,jsExportDefault,jsModuleAsterisk,jsModuleKeyword,jsFlowTypeStatement
-syntax match   jsModuleKeyword      contained /\k\+/ skipwhite skipempty nextgroup=jsModuleAs,jsFrom,jsModuleComma
+syntax match   jsModuleKeyword      contained /\<\K\k*/ skipwhite skipempty nextgroup=jsModuleAs,jsFrom,jsModuleComma
 syntax keyword jsExportDefault      contained default skipwhite skipempty nextgroup=@jsExpression
 syntax keyword jsExportDefaultGroup contained default skipwhite skipempty nextgroup=jsModuleAs,jsFrom,jsModuleComma
 syntax match   jsModuleAsterisk     contained /\*/ skipwhite skipempty nextgroup=jsModuleKeyword,jsModuleAs,jsFrom
@@ -53,44 +53,37 @@ syntax keyword jsFrom               contained from skipwhite skipempty nextgroup
 syntax match   jsModuleComma        contained /,/ skipwhite skipempty nextgroup=jsModuleKeyword,jsModuleAsterisk,jsModuleGroup,jsFlowTypeKeyword
 
 " Strings, Templates, Numbers
-syntax region  jsString           start=+"+  skip=+\\\("\|$\)+  end=+"\|$+  contains=jsSpecial,@Spell extend
-syntax region  jsString           start=+'+  skip=+\\\('\|$\)+  end=+'\|$+  contains=jsSpecial,@Spell extend
-syntax region  jsTemplateString   start=+`+  skip=+\\\(`\|$\)+  end=+`+     contains=jsTemplateExpression,jsSpecial,@Spell extend
-syntax match   jsTaggedTemplate   /\k\+\%(`\)\@=/ nextgroup=jsTemplateString
-syntax match   jsNumber           /\<\d\+\%([eE][+-]\=\d\+\)\=\>\|\<0[bB][01]\+\>\|\<0[oO]\o\+\>\|\<0[xX]\x\+\>/
+syntax region  jsString           start=+\z(["']\)+  skip=+\\\%(\z1\|$\)+  end=+\z1\|$+  contains=jsSpecial,@Spell extend
+syntax region  jsTemplateString   start=+`+  skip=+\\`+  end=+`+     contains=jsTemplateExpression,jsSpecial,@Spell extend
+syntax match   jsTaggedTemplate   /\<\K\k*\ze`/ nextgroup=jsTemplateString
+syntax match   jsNumber           /\c\<\%(\d\+\%(e[+-]\=\d\+\)\=\|0b[01]\+\|0o\o\+\|0x\x\+\)\>/
 syntax keyword jsNumber           Infinity
-syntax match   jsFloat            /\<\%(\d\+\.\d\+\|\d\+\.\|\.\d\+\)\%([eE][+-]\=\d\+\)\=\>/
+syntax match   jsFloat            /\c\<\%(\d\+\.\d\+\|\d\+\.\|\.\d\+\)\%(e[+-]\=\d\+\)\=\>/
 
 " Regular Expressions
-syntax match   jsSpecial            contained "\v\\%(0|\\x\x\{2\}\|\\u\x\{4\}\|\c[A-Z]|.)"
+syntax match   jsSpecial            contained "\v\\%(x\x\x|u%(\x{4}|\{\x{4,5}})|c\u|.)"
 syntax region  jsTemplateExpression contained matchgroup=jsTemplateBraces start=+${+ end=+}+ contains=@jsExpression keepend
-syntax region  jsRegexpCharClass    contained start=+\[+ skip=+\\.+ end=+\]+
-syntax match   jsRegexpBoundary     contained "\v%(\<@![\^$]|\\[bB])"
-syntax match   jsRegexpBackRef      contained "\v\\[1-9][0-9]*"
-syntax match   jsRegexpQuantifier   contained "\v\\@<!%([?*+]|\{\d+%(,|,\d+)?})\??"
-syntax match   jsRegexpOr           contained "\v\<@!\|"
-syntax match   jsRegexpMod          contained "\v\(@<=\?[:=!>]"
-syntax region  jsRegexpGroup        contained start="\\\@<!(" skip="\\.\|\[\(\\.\|[^]]\)*\]" end="\\\@<!)" contains=jsRegexpCharClass,@jsRegexpSpecial keepend
-if v:version > 703 || v:version == 603 && has("patch1088")
-  syntax region  jsRegexpString   start=+\%(\%(\%(return\|case\)\s\+\)\@50<=\|\%(\%([)\]"']\|\d\|\w\)\s*\)\@50<!\)/\(\*\|/\)\@!+ skip=+\\.\|\[\%(\\.\|[^]]\)*\]+ end=+/[gimyu]\{,5}+ contains=jsRegexpCharClass,jsRegexpGroup,@jsRegexpSpecial oneline keepend extend
-else
-  syntax region  jsRegexpString   start=+\%(\%(\%(return\|case\)\s\+\)\@<=\|\%(\%([)\]"']\|\d\|\w\)\s*\)\@<!\)/\(\*\|/\)\@!+ skip=+\\.\|\[\%(\\.\|[^]]\)*\]+ end=+/[gimyu]\{,5}+ contains=jsRegexpCharClass,jsRegexpGroup,@jsRegexpSpecial oneline keepend extend
-endif
+syntax region  jsRegexpCharClass    contained start=+\[+ skip=+\\.+ end=+\]+ contains=jsSpecial
+syntax match   jsRegexpBoundary     contained "\v\c[$^]|\\b"
+syntax match   jsRegexpBackRef      contained "\v\\[1-9]\d*"
+syntax match   jsRegexpQuantifier   contained "\v[^\\]%([?*+]|\{\d+%(,\d*)?})\??"lc=1
+syntax match   jsRegexpOr           contained "|"
+syntax match   jsRegexpMod          contained "\v\(\?[:=!>]"lc=1
+syntax region  jsRegexpGroup        contained start="[^\\]("lc=1 skip="\\.\|\[\(\\.\|[^]]\+\)\]" end=")" contains=jsRegexpCharClass,@jsRegexpSpecial keepend
+syntax region  jsRegexpString   start=+\%(\%(\<return\|\<typeof\|\_[^)\]'"[:blank:][:alnum:]_$]\)\s*\)\@<=/\ze[^*/]+ skip=+\\.\|\[[^]]\{1,}\]+ end=+/[gimyus]\{,6}+ contains=jsRegexpCharClass,jsRegexpGroup,@jsRegexpSpecial oneline keepend extend
 syntax cluster jsRegexpSpecial    contains=jsSpecial,jsRegexpBoundary,jsRegexpBackRef,jsRegexpQuantifier,jsRegexpOr,jsRegexpMod
 
 " Objects
-syntax match   jsObjectKey         contained /\<[0-9a-zA-Z_$]*\>\(\s*:\)\@=/ contains=jsFunctionKey skipwhite skipempty nextgroup=jsObjectValue
+syntax match   jsObjectKey         contained /\<\K\k*\ze\s*:/ contains=jsFunctionKey skipwhite skipempty nextgroup=jsObjectValue
 syntax match   jsObjectColon       contained /:/ skipwhite skipempty
-syntax region  jsObjectKeyString   contained start=+"+  skip=+\\\("\|$\)+  end=+"\|$+  contains=jsSpecial,@Spell skipwhite skipempty nextgroup=jsObjectValue
-syntax region  jsObjectKeyString   contained start=+'+  skip=+\\\('\|$\)+  end=+'\|$+  contains=jsSpecial,@Spell skipwhite skipempty nextgroup=jsObjectValue
+syntax region  jsObjectKeyString   contained start=+\z(["']\)+  skip=+\\\%(\z1\|$\)+  end=+\z1\|$+  contains=jsSpecial,@Spell skipwhite skipempty nextgroup=jsObjectValue
 syntax region  jsObjectKeyComputed contained matchgroup=jsBrackets start=/\[/ end=/]/ contains=@jsExpression skipwhite skipempty nextgroup=jsObjectValue,jsFuncArgs extend
 syntax match   jsObjectSeparator   contained /,/
-syntax region  jsObjectValue       contained matchgroup=jsNoise start=/:/ end=/\%(,\|}\)\@=/ contains=@jsExpression extend
-syntax match   jsObjectFuncName    contained /\<[a-zA-Z_$][0-9a-zA-Z_$]*\>[\r\n\t ]*(\@=/ skipwhite skipempty nextgroup=jsFuncArgs
-syntax match   jsFunctionKey       contained /\<[a-zA-Z_$][0-9a-zA-Z_$]*\>\(\s*:\s*function\s*\)\@=/
-syntax match   jsObjectMethodType  contained /\%(get\|set\)\%( \k\+\)\@=/ skipwhite skipempty nextgroup=jsObjectFuncName
-syntax region  jsObjectStringKey   contained start=+"+  skip=+\\\("\|$\)+  end=+"\|$+  contains=jsSpecial,@Spell extend skipwhite skipempty nextgroup=jsFuncArgs,jsObjectValue
-syntax region  jsObjectStringKey   contained start=+'+  skip=+\\\('\|$\)+  end=+'\|$+  contains=jsSpecial,@Spell extend skipwhite skipempty nextgroup=jsFuncArgs,jsObjectValue
+syntax region  jsObjectValue       contained matchgroup=jsNoise start=/:/ end=/[,}]\@=/ contains=@jsExpression extend
+syntax match   jsObjectFuncName    contained /\<\K\k*\ze\_s*(/ skipwhite skipempty nextgroup=jsFuncArgs
+syntax match   jsFunctionKey       contained /\<\K\k*\ze\s*:\s*function\>/
+syntax match   jsObjectMethodType  contained /\<[gs]et\ze\s\+\K\k*/ skipwhite skipempty nextgroup=jsObjectFuncName
+syntax region  jsObjectStringKey   contained start=+\z(["']\)+  skip=+\\\%(\z1\|$\)+  end=+\z1\|$+  contains=jsSpecial,@Spell extend skipwhite skipempty nextgroup=jsFuncArgs,jsObjectValue
 
 exe 'syntax keyword jsNull      null             '.(exists('g:javascript_conceal_null')      ? 'conceal cchar='.g:javascript_conceal_null       : '')
 exe 'syntax keyword jsReturn    return contained '.(exists('g:javascript_conceal_return')    ? 'conceal cchar='.g:javascript_conceal_return     : '').' skipwhite skipempty nextgroup=@jsExpression'
@@ -101,8 +94,8 @@ exe 'syntax keyword jsThis      this             '.(exists('g:javascript_conceal
 exe 'syntax keyword jsSuper     super  contained '.(exists('g:javascript_conceal_super')     ? 'conceal cchar='.g:javascript_conceal_super      : '')
 
 " Statement Keywords
-syntax match   jsBlockLabel              /\<[a-zA-Z_$][0-9a-zA-Z_$]*\>\s*::\@!/    contains=jsNoise skipwhite skipempty nextgroup=jsBlock
-syntax match   jsBlockLabelKey contained /\<[a-zA-Z_$][0-9a-zA-Z_$]*\>\%(\s*\%(;\|\n\)\)\@=/
+syntax match   jsBlockLabel              /\<\K\k*\s*::\@!/    contains=jsNoise skipwhite skipempty nextgroup=jsBlock
+syntax match   jsBlockLabelKey contained /\<\K\k*\ze\s*\_[;]/
 syntax keyword jsStatement     contained with yield debugger
 syntax keyword jsStatement     contained break continue skipwhite skipempty nextgroup=jsBlockLabelKey
 syntax keyword jsConditional            if              skipwhite skipempty nextgroup=jsParenIfElse
@@ -119,7 +112,7 @@ syntax keyword jsAsyncKeyword           async await
 syntax match   jsSwitchColon   contained /::\@!/        skipwhite skipempty nextgroup=jsSwitchBlock
 
 " Keywords
-syntax keyword jsGlobalObjects      Array Boolean Date Function Iterator Number Object Symbol Map WeakMap Set RegExp String Proxy Promise Buffer ParallelArray ArrayBuffer DataView Float32Array Float64Array Int16Array Int32Array Int8Array Uint16Array Uint32Array Uint8Array Uint8ClampedArray JSON Math console document window Intl Collator DateTimeFormat NumberFormat fetch
+syntax keyword jsGlobalObjects      Array Boolean Date Function Iterator Number Object Symbol Map WeakMap Set WeakSet RegExp String Proxy Promise Buffer ParallelArray ArrayBuffer DataView Float32Array Float64Array Int16Array Int32Array Int8Array Uint16Array Uint32Array Uint8Array Uint8ClampedArray JSON Math console document window Intl Collator DateTimeFormat NumberFormat fetch
 syntax keyword jsGlobalNodeObjects  module exports global process __dirname __filename
 syntax match   jsGlobalNodeObjects  /\<require\>/ containedin=jsFuncCall
 syntax keyword jsExceptions         Error EvalError InternalError RangeError ReferenceError StopIteration SyntaxError TypeError URIError
@@ -164,68 +157,68 @@ 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
-syntax match   jsFuncName             contained /\<[a-zA-Z_$][0-9a-zA-Z_$]*\>/ skipwhite skipempty nextgroup=jsFuncArgs,jsFlowFunctionGroup
+syntax match   jsFuncName             contained /\<\K\k*/ skipwhite skipempty nextgroup=jsFuncArgs,jsFlowFunctionGroup
 syntax region  jsFuncArgExpression    contained matchgroup=jsFuncArgOperator start=/=/ end=/[,)]\@=/ contains=@jsExpression extend
 syntax match   jsFuncArgCommas        contained ','
 syntax keyword jsArguments            contained arguments
 syntax keyword jsForAwait             contained await skipwhite skipempty nextgroup=jsParenRepeat
 
 " Matches a single keyword argument with no parens
-syntax match   jsArrowFuncArgs  /\k\+\s*\%(=>\)\@=/ skipwhite contains=jsFuncArgs skipwhite skipempty nextgroup=jsArrowFunction extend
+syntax match   jsArrowFuncArgs  /\<\K\k*\ze\s*=>/ skipwhite contains=jsFuncArgs skipwhite skipempty nextgroup=jsArrowFunction extend
 " Matches a series of arguments surrounded in parens
-syntax match   jsArrowFuncArgs  /([^()]*)\s*\(=>\)\@=/ contains=jsFuncArgs skipempty skipwhite nextgroup=jsArrowFunction extend
+syntax match   jsArrowFuncArgs  /([^()]*)\ze\s*=>/ contains=jsFuncArgs skipempty skipwhite nextgroup=jsArrowFunction extend
 
 exe 'syntax match jsFunction /\<function\>/ skipwhite skipempty nextgroup=jsGenerator,jsFuncName,jsFuncArgs,jsFlowFunctionGroup skipwhite '.(exists('g:javascript_conceal_function')       ? 'conceal cchar='.g:javascript_conceal_function : '')
 exe 'syntax match jsArrowFunction /=>/      skipwhite skipempty nextgroup=jsFuncBlock,jsCommentFunction                                   '.(exists('g:javascript_conceal_arrow_function') ? 'conceal cchar='.g:javascript_conceal_arrow_function : '')
-exe 'syntax match jsArrowFunction /()\s*\(=>\)\@=/   skipwhite skipempty nextgroup=jsArrowFunction                                        '.(exists('g:javascript_conceal_noarg_arrow_function') ? 'conceal cchar='.g:javascript_conceal_noarg_arrow_function : '').(' contains=jsArrowFuncArgs')
-exe 'syntax match jsArrowFunction /_\s*\(=>\)\@=/    skipwhite skipempty nextgroup=jsArrowFunction                                        '.(exists('g:javascript_conceal_underscore_arrow_function') ? 'conceal cchar='.g:javascript_conceal_underscore_arrow_function : '')
+exe 'syntax match jsArrowFunction /()\ze\s*=>/   skipwhite skipempty nextgroup=jsArrowFunction                                        '.(exists('g:javascript_conceal_noarg_arrow_function') ? 'conceal cchar='.g:javascript_conceal_noarg_arrow_function : '')
+exe 'syntax match jsArrowFunction /_\ze\s*=>/    skipwhite skipempty nextgroup=jsArrowFunction                                        '.(exists('g:javascript_conceal_underscore_arrow_function') ? 'conceal cchar='.g:javascript_conceal_underscore_arrow_function : '')
 
 " Classes
 syntax keyword jsClassKeyword           contained class
 syntax keyword jsExtendsKeyword         contained extends skipwhite skipempty nextgroup=@jsExpression
 syntax match   jsClassNoise             contained /\./
-syntax match   jsClassMethodType        contained /\%(get\|set\|static\)\%( \k\+\)\@=/ skipwhite skipempty nextgroup=jsAsyncKeyword,jsFuncName,jsClassProperty
+syntax match   jsClassMethodType        contained /\<\%([gs]et\|static\)\ze\s\+\K\k*/ skipwhite skipempty nextgroup=jsAsyncKeyword,jsFuncName,jsClassProperty
 syntax region  jsClassDefinition                  start=/\<class\>/ end=/\(\<extends\>\s\+\)\@<!{\@=/ contains=jsClassKeyword,jsExtendsKeyword,jsClassNoise,@jsExpression,jsFlowClassGroup skipwhite skipempty nextgroup=jsCommentClass,jsClassBlock,jsFlowClassGroup
-syntax match   jsClassProperty          contained /\<[0-9a-zA-Z_$]*\>\(\s*[=:]\)\@=/ skipwhite skipempty nextgroup=jsClassValue,jsFlowClassDef
-syntax region  jsClassValue             contained start=/=/ end=/\%(;\|}\|\n\)\@=/ contains=@jsExpression
+syntax match   jsClassProperty          contained /\<\K\k*\ze\s*=/ skipwhite skipempty nextgroup=jsClassValue,jsFlowClassDef
+syntax region  jsClassValue             contained start=/=/ end=/\_[;}]\@=/ contains=@jsExpression
 syntax region  jsClassPropertyComputed  contained matchgroup=jsBrackets start=/\[/ end=/]/ contains=@jsExpression skipwhite skipempty nextgroup=jsFuncArgs,jsClassValue extend
-syntax match   jsClassFuncName          contained /\<[a-zA-Z_$][0-9a-zA-Z_$]*\>\%(\s*(\)\@=/ skipwhite skipempty nextgroup=jsFuncArgs
-syntax region  jsClassStringKey         contained start=+"+  skip=+\\\("\|$\)+  end=+"\|$+  contains=jsSpecial,@Spell extend skipwhite skipempty nextgroup=jsFuncArgs
-syntax region  jsClassStringKey         contained start=+'+  skip=+\\\('\|$\)+  end=+'\|$+  contains=jsSpecial,@Spell extend skipwhite skipempty nextgroup=jsFuncArgs
+syntax match   jsClassFuncName          contained /\<\K\k*\ze\s*(/ skipwhite skipempty nextgroup=jsFuncArgs
+syntax region  jsClassStringKey         contained start=+\z(["']\)+  skip=+\\\%(\z1\|$\)+  end=+\z1\|$+  contains=jsSpecial,@Spell extend skipwhite skipempty nextgroup=jsFuncArgs
 
 " Destructuring
-syntax match   jsDestructuringPropertyValue     contained /\<[0-9a-zA-Z_$]*\>/
-syntax match   jsDestructuringProperty          contained /\<[0-9a-zA-Z_$]*\>\(\s*=\)\@=/ skipwhite skipempty nextgroup=jsDestructuringValue
-syntax match   jsDestructuringAssignment        contained /\<[0-9a-zA-Z_$]*\>\(\s*:\)\@=/ skipwhite skipempty nextgroup=jsDestructuringValueAssignment
+syntax match   jsDestructuringPropertyValue     contained /\k\+/
+syntax match   jsDestructuringProperty          contained /\k\+\ze\s*=/ skipwhite skipempty nextgroup=jsDestructuringValue
+syntax match   jsDestructuringAssignment        contained /\k\+\ze\s*:/ skipwhite skipempty nextgroup=jsDestructuringValueAssignment
 syntax region  jsDestructuringValue             contained start=/=/ end=/[,}\]]\@=/ contains=@jsExpression extend
 syntax region  jsDestructuringValueAssignment   contained start=/:/ end=/[,}=]\@=/ contains=jsDestructuringPropertyValue,jsDestructuringBlock,jsNoise,jsDestructuringNoise skipwhite skipempty nextgroup=jsDestructuringValue extend
-syntax match   jsDestructuringNoise             contained /[,\[\]]/
+syntax match   jsDestructuringNoise             contained /[,[\]]/
 syntax region  jsDestructuringPropertyComputed  contained matchgroup=jsBrackets start=/\[/ end=/]/ contains=@jsExpression skipwhite skipempty nextgroup=jsDestructuringValue,jsDestructuringNoise extend fold
 
 " Comments
 syntax keyword jsCommentTodo    contained TODO FIXME XXX TBD
-syntax region  jsComment        start=/\/\// end=/$/ contains=jsCommentTodo,@Spell extend keepend
-syntax region  jsComment        start=/\/\*/  end=/\*\// contains=jsCommentTodo,@Spell fold extend keepend
+syntax region  jsComment        start=+//+ end=/$/ contains=jsCommentTodo,@Spell extend keepend
+syntax region  jsComment        start=+/\*+  end=+\*/+ contains=jsCommentTodo,@Spell fold extend keepend
 syntax region  jsEnvComment     start=/\%^#!/ end=/$/ display
 
 " Specialized Comments - These are special comment regexes that are used in
 " odd places that maintain the proper nextgroup functionality. It sucks we
 " can't make jsComment a skippable type of group for nextgroup
-syntax region  jsCommentFunction    contained start=/\/\// end=/$/    contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturn extend keepend
-syntax region  jsCommentFunction    contained start=/\/\*/ end=/\*\// contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturn fold extend keepend
-syntax region  jsCommentClass       contained start=/\/\// end=/$/    contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsClassBlock,jsFlowClassGroup extend keepend
-syntax region  jsCommentClass       contained start=/\/\*/ end=/\*\// contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsClassBlock,jsFlowClassGroup fold extend keepend
-syntax region  jsCommentIfElse      contained start=/\/\// end=/$/    contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsIfElseBlock extend keepend
-syntax region  jsCommentIfElse      contained start=/\/\*/ end=/\*\// contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsIfElseBlock fold extend keepend
-syntax region  jsCommentRepeat      contained start=/\/\// end=/$/    contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsRepeatBlock extend keepend
-syntax region  jsCommentRepeat      contained start=/\/\*/ end=/\*\// contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsRepeatBlock fold extend keepend
+syntax region  jsCommentFunction    contained start=+//+ end=/$/    contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturn extend keepend
+syntax region  jsCommentFunction    contained start=+/\*+ end=+\*/+ contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsFuncBlock,jsFlowReturn fold extend keepend
+syntax region  jsCommentClass       contained start=+//+ end=/$/    contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsClassBlock,jsFlowClassGroup extend keepend
+syntax region  jsCommentClass       contained start=+/\*+ end=+\*/+ contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsClassBlock,jsFlowClassGroup fold extend keepend
+syntax region  jsCommentIfElse      contained start=+//+ end=/$/    contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsIfElseBlock extend keepend
+syntax region  jsCommentIfElse      contained start=+/\*+ end=+\*/+ contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsIfElseBlock fold extend keepend
+syntax region  jsCommentRepeat      contained start=+//+ end=/$/    contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsRepeatBlock extend keepend
+syntax region  jsCommentRepeat      contained start=+/\*+ end=+\*/+ contains=jsCommentTodo,@Spell skipwhite skipempty nextgroup=jsRepeatBlock fold extend keepend
 
 " Decorators
 syntax match   jsDecorator                    /^\s*@/ nextgroup=jsDecoratorFunction
-syntax match   jsDecoratorFunction  contained /[a-zA-Z_][a-zA-Z0-9_.]*/ nextgroup=jsParenDecorator
+syntax match   jsDecoratorFunction  contained /\h[a-zA-Z0-9_.]*/ nextgroup=jsParenDecorator
 
 if exists("javascript_plugin_jsdoc")
   runtime extras/jsdoc.vim
diff --git a/syntax/mason.vim b/syntax/mason.vim
index a7b2119..8b8dc4d 100644
--- a/syntax/mason.vim
+++ b/syntax/mason.vim
@@ -13,12 +13,8 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'perl') == -1
 "  - Fix <%text> blocks to show HTML tags but ignore Mason tags.
 "
 
-" Clear previous syntax settings unless this is v6 or above, in which case just
-" exit without doing anything.
-"
-if version < 600
-	syn clear
-elseif exists("b:current_syntax")
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
 	finish
 endif
 
@@ -30,26 +26,16 @@ endif
 
 " First pull in the HTML syntax.
 "
-if version < 600
-	so <sfile>:p:h/html.vim
-else
-	runtime! syntax/html.vim
-	unlet b:current_syntax
-endif
+runtime! syntax/html.vim
+unlet b:current_syntax
 
 syn cluster htmlPreproc add=@masonTop
 
 " Now pull in the Perl syntax.
 "
-if version < 600
-	syn include @perlTop <sfile>:p:h/perl.vim
-        unlet b:current_syntax
-	syn include @podTop <sfile>:p:h/pod.vim
-else
-	syn include @perlTop syntax/perl.vim
-        unlet b:current_syntax
-        syn include @podTop syntax/pod.vim
-endif
+syn include @perlTop syntax/perl.vim
+unlet b:current_syntax
+syn include @podTop syntax/pod.vim
 
 " It's hard to reduce down to the correct sub-set of Perl to highlight in some
 " of these cases so I've taken the safe option of just using perlTop in all of
@@ -88,21 +74,9 @@ syn cluster masonTop contains=masonLine,masonExpr,masonPerl,masonComp,masonArgs,
 
 " Set up default highlighting. Almost all of this is done in the included
 " syntax files.
-"
-if version >= 508 || !exists("did_mason_syn_inits")
-	if version < 508
-		let did_mason_syn_inits = 1
-		com -nargs=+ HiLink hi link <args>
-	else
-		com -nargs=+ HiLink hi def link <args>
-	endif
-
-	HiLink masonDoc Comment
-	HiLink masonPod Comment
-	HiLink masonPerlComment perlComment
-
-	delc HiLink
-endif
+hi def link masonDoc Comment
+hi def link masonPod Comment
+hi def link masonPerlComment perlComment
 
 let b:current_syntax = "mason"
 
diff --git a/syntax/nim.vim b/syntax/nim.vim
index fcf0627..8b156c2 100644
--- a/syntax/nim.vim
+++ b/syntax/nim.vim
@@ -92,32 +92,33 @@ endif
 
 if nim_highlight_builtins == 1
   " builtin functions, types and objects, not really part of the syntax
-  syn keyword nimBuiltin int int8 int16 int32 int64 uint uint8 uint16 uint32 uint64 float float32 float64 bool
-  syn keyword nimBuiltin char string cstring pointer range array openarray seq
+  syn keyword nimBuiltin int int8 int16 int32 int64 uint uint8 uint16 uint32 uint64 float float32 float64
+  syn keyword nimBuiltin bool void chr char string cstring pointer range array openarray openArray seq varargs varArgs
   syn keyword nimBuiltin set Byte Natural Positive Conversion
   syn keyword nimBuiltin BiggestInt BiggestFloat cchar cschar cshort cint csize cuchar cushort
   syn keyword nimBuiltin clong clonglong cfloat cdouble clongdouble cuint culong culonglong cchar
-  syn keyword nimBuiltin CompileDate CompileTime nimVersion nimMajor
-  syn keyword nimBuiltin nimMinor nimPatch cpuEndian hostOS hostCPU inf
-  syn keyword nimBuiltin neginf nan QuitSuccess QuitFailure dbgLineHook stdin
+  syn keyword nimBuiltin CompileDate CompileTime nimversion nimVersion nimmajor nimMajor
+  syn keyword nimBuiltin nimminor nimMinor nimpatch nimPatch cpuendian cpuEndian hostos hostOS hostcpu hostCPU inf
+  syn keyword nimBuiltin neginf nan QuitSuccess QuitFailure dbglinehook dbgLineHook stdin
   syn keyword nimBuiltin stdout stderr defined new high low sizeof succ pred
-  syn keyword nimBuiltin inc dec newSeq len incl excl card ord chr ze ze64
-  syn keyword nimBuiltin toU8 toU16 toU32 abs min max add repr
+  syn keyword nimBuiltin inc dec newseq newSeq len incl excl card ord chr ze ze64
+  syn keyword nimBuiltin tou8 toU8 tou16 toU16 tou32 toU32 abs min max add repr
   syn match   nimBuiltin "\<contains\>"
-  syn keyword nimBuiltin toFloat toBiggestFloat toInt toBiggestInt addQuitProc
-  syn keyword nimBuiltin copy setLen newString zeroMem copyMem moveMem
-  syn keyword nimBuiltin equalMem alloc alloc0 realloc dealloc setLen assert
-  syn keyword nimBuiltin swap getRefcount getCurrentException Msg
-  syn keyword nimBuiltin getOccupiedMem getFreeMem getTotalMem isNil seqToPtr
+  syn keyword nimBuiltin tofloat toFloat tobiggestfloat toBiggestFloat toint toInt tobiggestint toBiggestInt
+  syn keyword nimBuiltin addquitproc addQuitProc
+  syn keyword nimBuiltin copy setlen setLen newstring newString zeromem zeroMem copymem copyMem movemem moveMem
+  syn keyword nimBuiltin equalmem equalMem alloc alloc0 realloc dealloc assert
+  syn keyword nimBuiltin echo swap getrefcount getRefcount getcurrentexception getCurrentException Msg
+  syn keyword nimBuiltin getoccupiedmem getOccupiedMem getfreemem getFreeMem gettotalmem getTotalMem isnil isNil seqtoptr seqToPtr
   syn keyword nimBuiltin find pop GC_disable GC_enable GC_fullCollect
   syn keyword nimBuiltin GC_setStrategy GC_enableMarkAndSweep GC_Strategy
   syn keyword nimBuiltin GC_disableMarkAnd Sweep GC_getStatistics GC_ref
   syn keyword nimBuiltin GC_ref GC_ref GC_unref GC_unref GC_unref quit
   syn keyword nimBuiltin OpenFile OpenFile CloseFile EndOfFile readChar
-  syn keyword nimBuiltin FlushFile readFile write readLine writeln writeln
-  syn keyword nimBuiltin getFileSize ReadBytes ReadChars readBuffer writeBytes
-  syn keyword nimBuiltin writeChars writeBuffer setFilePos getFilePos
-  syn keyword nimBuiltin fileHandle countdown countup items lines
+  syn keyword nimBuiltin FlushFile readfile readFile readline readLine write writeln writeLn writeline writeLine
+  syn keyword nimBuiltin getfilesize getFileSize ReadBytes ReadChars readbuffer readBuffer writebytes writeBytes
+  syn keyword nimBuiltin writechars writeChars writebuffer writeBuffer setfilepos setFilePos getfilepos getFilePos
+  syn keyword nimBuiltin filehandle fileHandle countdown countup items lines
   syn keyword nimBuiltin FileMode File RootObj FileHandle ByteAddress Endianness
 endif
 
diff --git a/syntax/perl.vim b/syntax/perl.vim
index b253437..a61a648 100644
--- a/syntax/perl.vim
+++ b/syntax/perl.vim
@@ -435,125 +435,121 @@ else
   syn sync minlines=0
 endif
 
-command -nargs=+ HiLink hi def link <args>
-
 " NOTE: If you're linking new highlight groups to perlString, please also put
 "       them into b:match_skip in ftplugin/perl.vim.
 
 " The default highlighting.
-HiLink perlSharpBang		PreProc
-HiLink perlControl		PreProc
-HiLink perlInclude		Include
-HiLink perlSpecial		Special
-HiLink perlString		String
-HiLink perlCharacter		Character
-HiLink perlNumber		Number
-HiLink perlFloat		Float
-HiLink perlType			Type
-HiLink perlIdentifier		Identifier
-HiLink perlLabel		Label
-HiLink perlStatement		Statement
-HiLink perlConditional		Conditional
-HiLink perlRepeat		Repeat
-HiLink perlOperator		Operator
-HiLink perlFunction		Keyword
-HiLink perlSubName		Function
-HiLink perlSubPrototype		Type
-HiLink perlSignature		Type
-HiLink perlSubAttributes	PreProc
-HiLink perlSubAttributesCont	perlSubAttributes
-HiLink perlComment		Comment
-HiLink perlTodo			Todo
+hi def link perlSharpBang		PreProc
+hi def link perlControl		PreProc
+hi def link perlInclude		Include
+hi def link perlSpecial		Special
+hi def link perlString		String
+hi def link perlCharacter		Character
+hi def link perlNumber		Number
+hi def link perlFloat		Float
+hi def link perlType			Type
+hi def link perlIdentifier		Identifier
+hi def link perlLabel		Label
+hi def link perlStatement		Statement
+hi def link perlConditional		Conditional
+hi def link perlRepeat		Repeat
+hi def link perlOperator		Operator
+hi def link perlFunction		Keyword
+hi def link perlSubName		Function
+hi def link perlSubPrototype		Type
+hi def link perlSignature		Type
+hi def link perlSubAttributes	PreProc
+hi def link perlSubAttributesCont	perlSubAttributes
+hi def link perlComment		Comment
+hi def link perlTodo			Todo
 if exists("perl_string_as_statement")
-  HiLink perlStringStartEnd	perlStatement
+  hi def link perlStringStartEnd	perlStatement
 else
-  HiLink perlStringStartEnd	perlString
+  hi def link perlStringStartEnd	perlString
 endif
-HiLink perlVStringV		perlStringStartEnd
-HiLink perlList			perlStatement
-HiLink perlMisc			perlStatement
-HiLink perlVarPlain		perlIdentifier
-HiLink perlVarPlain2		perlIdentifier
-HiLink perlArrow		perlIdentifier
-HiLink perlFiledescRead		perlIdentifier
-HiLink perlFiledescStatement	perlIdentifier
-HiLink perlVarSimpleMember	perlIdentifier
-HiLink perlVarSimpleMemberName 	perlString
-HiLink perlVarNotInMatches	perlIdentifier
-HiLink perlVarSlash		perlIdentifier
-HiLink perlQQ			perlString
-HiLink perlHereDoc		perlString
-HiLink perlStringUnexpanded	perlString
-HiLink perlSubstitutionSQ	perlString
-HiLink perlSubstitutionGQQ	perlString
-HiLink perlTranslationGQ	perlString
-HiLink perlMatch		perlString
-HiLink perlMatchStartEnd	perlStatement
-HiLink perlFormatName		perlIdentifier
-HiLink perlFormatField		perlString
-HiLink perlPackageDecl		perlType
-HiLink perlStorageClass		perlType
-HiLink perlPackageRef		perlType
-HiLink perlStatementPackage	perlStatement
-HiLink perlStatementStorage	perlStatement
-HiLink perlStatementControl	perlStatement
-HiLink perlStatementScalar	perlStatement
-HiLink perlStatementRegexp	perlStatement
-HiLink perlStatementNumeric	perlStatement
-HiLink perlStatementList	perlStatement
-HiLink perlStatementHash	perlStatement
-HiLink perlStatementIOfunc	perlStatement
-HiLink perlStatementFiledesc	perlStatement
-HiLink perlStatementVector	perlStatement
-HiLink perlStatementFiles	perlStatement
-HiLink perlStatementFlow	perlStatement
-HiLink perlStatementInclude	perlStatement
-HiLink perlStatementProc	perlStatement
-HiLink perlStatementSocket	perlStatement
-HiLink perlStatementIPC		perlStatement
-HiLink perlStatementNetwork	perlStatement
-HiLink perlStatementPword	perlStatement
-HiLink perlStatementTime	perlStatement
-HiLink perlStatementMisc	perlStatement
-HiLink perlStatementIndirObj	perlStatement
-HiLink perlFunctionName		perlIdentifier
-HiLink perlMethod		perlIdentifier
-HiLink perlPostDeref		perlIdentifier
-HiLink perlFunctionPRef		perlType
+hi def link perlVStringV		perlStringStartEnd
+hi def link perlList			perlStatement
+hi def link perlMisc			perlStatement
+hi def link perlVarPlain		perlIdentifier
+hi def link perlVarPlain2		perlIdentifier
+hi def link perlArrow		perlIdentifier
+hi def link perlFiledescRead		perlIdentifier
+hi def link perlFiledescStatement	perlIdentifier
+hi def link perlVarSimpleMember	perlIdentifier
+hi def link perlVarSimpleMemberName 	perlString
+hi def link perlVarNotInMatches	perlIdentifier
+hi def link perlVarSlash		perlIdentifier
+hi def link perlQQ			perlString
+hi def link perlHereDoc		perlString
+hi def link perlStringUnexpanded	perlString
+hi def link perlSubstitutionSQ	perlString
+hi def link perlSubstitutionGQQ	perlString
+hi def link perlTranslationGQ	perlString
+hi def link perlMatch		perlString
+hi def link perlMatchStartEnd	perlStatement
+hi def link perlFormatName		perlIdentifier
+hi def link perlFormatField		perlString
+hi def link perlPackageDecl		perlType
+hi def link perlStorageClass		perlType
+hi def link perlPackageRef		perlType
+hi def link perlStatementPackage	perlStatement
+hi def link perlStatementStorage	perlStatement
+hi def link perlStatementControl	perlStatement
+hi def link perlStatementScalar	perlStatement
+hi def link perlStatementRegexp	perlStatement
+hi def link perlStatementNumeric	perlStatement
+hi def link perlStatementList	perlStatement
+hi def link perlStatementHash	perlStatement
+hi def link perlStatementIOfunc	perlStatement
+hi def link perlStatementFiledesc	perlStatement
+hi def link perlStatementVector	perlStatement
+hi def link perlStatementFiles	perlStatement
+hi def link perlStatementFlow	perlStatement
+hi def link perlStatementInclude	perlStatement
+hi def link perlStatementProc	perlStatement
+hi def link perlStatementSocket	perlStatement
+hi def link perlStatementIPC		perlStatement
+hi def link perlStatementNetwork	perlStatement
+hi def link perlStatementPword	perlStatement
+hi def link perlStatementTime	perlStatement
+hi def link perlStatementMisc	perlStatement
+hi def link perlStatementIndirObj	perlStatement
+hi def link perlFunctionName		perlIdentifier
+hi def link perlMethod		perlIdentifier
+hi def link perlPostDeref		perlIdentifier
+hi def link perlFunctionPRef		perlType
 if !get(g:, 'perl_include_pod', 1)
-  HiLink perlPOD		perlComment
+  hi def link perlPOD		perlComment
 endif
-HiLink perlShellCommand		perlString
-HiLink perlSpecialAscii		perlSpecial
-HiLink perlSpecialDollar	perlSpecial
-HiLink perlSpecialString	perlSpecial
-HiLink perlSpecialStringU	perlSpecial
-HiLink perlSpecialMatch		perlSpecial
-HiLink perlDATA			perlComment
+hi def link perlShellCommand		perlString
+hi def link perlSpecialAscii		perlSpecial
+hi def link perlSpecialDollar	perlSpecial
+hi def link perlSpecialString	perlSpecial
+hi def link perlSpecialStringU	perlSpecial
+hi def link perlSpecialMatch		perlSpecial
+hi def link perlDATA			perlComment
 
 " NOTE: Due to a bug in Vim (or more likely, a misunderstanding on my part),
 "       I had to remove the transparent property from the following regions
 "       in order to get them to highlight correctly.  Feel free to remove
 "       these and reinstate the transparent property if you know how.
-HiLink perlParensSQ		perlString
-HiLink perlBracketsSQ		perlString
-HiLink perlBracesSQ		perlString
-HiLink perlAnglesSQ		perlString
+hi def link perlParensSQ		perlString
+hi def link perlBracketsSQ		perlString
+hi def link perlBracesSQ		perlString
+hi def link perlAnglesSQ		perlString
 
-HiLink perlParensDQ		perlString
-HiLink perlBracketsDQ		perlString
-HiLink perlBracesDQ		perlString
-HiLink perlAnglesDQ		perlString
+hi def link perlParensDQ		perlString
+hi def link perlBracketsDQ		perlString
+hi def link perlBracesDQ		perlString
+hi def link perlAnglesDQ		perlString
 
-HiLink perlSpecialStringU2	perlString
+hi def link perlSpecialStringU2	perlString
 
 " Possible errors
-HiLink perlNotEmptyLine		Error
-HiLink perlElseIfError		Error
-HiLink perlSubPrototypeError	Error
-HiLink perlSubError		Error
-
-delcommand HiLink
+hi def link perlNotEmptyLine		Error
+hi def link perlElseIfError		Error
+hi def link perlSubPrototypeError	Error
+hi def link perlSubError		Error
 
 " Syncing to speed up processing
 "
diff --git a/syntax/php.vim b/syntax/php.vim
index c8e6f3c..e05e1ee 100644
--- a/syntax/php.vim
+++ b/syntax/php.vim
@@ -621,7 +621,7 @@ if !exists("php_ignore_phpdoc") || !php_ignore_phpdoc
 
   syn region phpDocTags  start="{@\(example\|id\|internal\|inheritdoc\|link\|source\|toc\|tutorial\)" end="}" containedin=phpDocComment
   syn match phpDocTags "@\%(abstract\|access\|api\|author\|brief\|bug\|category\|class\|copyright\|created\|date\|deprecated\|details\|example\|exception\|file\|filesource\|final\|global\|id\|ignore\|inheritdoc\|internal\|license\|link\|magic\|method\|name\|package\|param\|property\|return\|see\|since\|source\|static\|staticvar\|struct\|subpackage\|throws\|toc\|todo\|tutorial\|type\|uses\|var\|version\|warning\)" containedin=phpDocComment nextgroup=phpDocParam,phpDocIdentifier skipwhite contained
-  syn match phpDocParam "\s\+\zs\%(\h\w*|\?\)\+" nextgroup=phpDocIdentifier skipwhite contained
+  syn match phpDocParam "\s\+\zs\(|\|\\\|\h\w*\)*\h\w*" nextgroup=phpDocIdentifier skipwhite contained
   syn match phpDocIdentifier "\s\+\zs$\h\w*" contained
 
   syn case match
diff --git a/syntax/pod.vim b/syntax/pod.vim
index c337de8..7ea7886 100644
--- a/syntax/pod.vim
+++ b/syntax/pod.vim
@@ -21,11 +21,8 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'perl') == -1
 
 " Remove any old syntax stuff hanging around (this is suppressed
 " automatically by ":syn include" if necessary).
-" For version 5.x: Clear all syntax items
-" For version 6.x: Quit when a syntax file was already loaded
-if version < 600
-  syntax clear
-elseif exists("b:current_syntax")
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
   finish
 endif
 
@@ -69,28 +66,17 @@ syn match  podEscape	"\I\i*>"me=e-1 contained contains=@NoSpell
 syn match  podEscape2	"\d\+>"me=e-1 contained contains=@NoSpell
 
 " Define the default highlighting.
-" For version 5.7 and earlier: only when not done already
-" For version 5.8 and later: only when an item doesn't have highlighting yet
-if version >= 508 || !exists("did_pod_syntax_inits")
-  if version < 508
-    let did_pod_syntax_inits = 1
-    command -nargs=+ HiLink hi link <args>
-  else
-    command -nargs=+ HiLink hi def link <args>
-  endif
+" Only when an item doesn't have highlighting yet
 
-  HiLink podCommand		Statement
-  HiLink podCmdText		String
-  HiLink podOverIndent		Number
-  HiLink podForKeywd		Identifier
-  HiLink podFormat		Identifier
-  HiLink podVerbatimLine	PreProc
-  HiLink podSpecial		Identifier
-  HiLink podEscape		String
-  HiLink podEscape2		Number
-
-  delcommand HiLink
-endif
+hi def link podCommand		Statement
+hi def link podCmdText		String
+hi def link podOverIndent	Number
+hi def link podForKeywd		Identifier
+hi def link podFormat		Identifier
+hi def link podVerbatimLine	PreProc
+hi def link podSpecial		Identifier
+hi def link podEscape		String
+hi def link podEscape2		Number
 
 if exists("perl_pod_spellcheck_headings")
   " Spell-check headings
diff --git a/syntax/purescript.vim b/syntax/purescript.vim
index 39ad579..50e3539 100644
--- a/syntax/purescript.vim
+++ b/syntax/purescript.vim
@@ -21,13 +21,13 @@ syn keyword purescriptBoolean true false
 syn match purescriptDelimiter "[,;|.()[\]{}]"
 
 " Constructor
-syn match purescriptConstructor "\<[A-Z]\w*\>"
+syn match purescriptConstructor "\%(\<class\s\+\)\@15<!\<[A-Z]\w*\>"
 syn region purescriptConstructorDecl matchgroup=purescriptConstructor start="\<[A-Z]\w*\>" end="\(|\|$\)"me=e-1,re=e-1 contained
   \ containedin=purescriptData,purescriptNewtype
   \ contains=purescriptType,purescriptTypeVar,purescriptDelimiter,purescriptOperatorType,purescriptOperatorTypeSig,@purescriptComment
 
 " Type
-syn match purescriptType "\<[A-Z]\w*\>" contained
+syn match purescriptType "\%(\<class\s\+\)\@15<!\<[A-Z]\w*\>" contained
   \ containedin=purescriptTypeAlias
   \ nextgroup=purescriptType,purescriptTypeVar skipwhite
 syn match purescriptTypeVar "\<[_a-z]\(\w\|\'\)*\>" contained
@@ -36,9 +36,20 @@ syn region purescriptTypeExport matchgroup=purescriptType start="\<[A-Z]\(\S\&[^
   \ contains=purescriptConstructor,purescriptDelimiter
 
 " Function
-syn match purescriptFunction "\<[_a-z]\(\w\|\'\)*\>" contained
-syn match purescriptFunction "(\(\W\&[^(),\"]\)\+)" contained extend
-syn match purescriptBacktick "`[_A-Za-z][A-Za-z0-9_]*`"
+syn match purescriptFunction "\%(\<instance\s\+\|\<class\s\+\)\@18<!\<[_a-z]\(\w\|\'\)*\>" contained
+" syn match purescriptFunction "\<[_a-z]\(\w\|\'\)*\>" contained
+syn match purescriptFunction "(\%(\<class\s\+\)\@18<!\(\W\&[^(),\"]\)\+)" contained extend
+syn match purescriptBacktick "`[_A-Za-z][A-Za-z0-9_\.]*`"
+
+" Class
+syn region purescriptClassDecl start="^\%(\s*\)class\>"ms=e-5 end="\<where\>\|$"
+  \ contains=purescriptClass,purescriptClassName,purescriptOperatorType,purescriptOperator,purescriptType,purescriptWhere
+  \ nextgroup=purescriptClass
+  \ skipnl
+syn match purescriptClass "\<class\>" containedin=purescriptClassDecl contained
+  \ nextgroup=purescriptClassName
+  \ skipnl
+syn match purescriptClassName "\<[A-Z]\w*\>" containedin=purescriptClassDecl contained
 
 " Module
 syn match purescriptModuleName "\(\w\+\.\?\)*" contained excludenl
@@ -46,8 +57,8 @@ syn match purescriptModuleKeyword "\<module\>"
 syn match purescriptModule "^module\>\s\+\<\(\w\+\.\?\)*\>"
   \ contains=purescriptModuleKeyword,purescriptModuleName
   \ nextgroup=purescriptModuleParams skipwhite skipnl skipempty
-syn region purescriptModuleParams start="(" end=")" fold contained keepend
-  \ contains=purescriptDelimiter,purescriptType,purescriptTypeExport,purescriptFunction,purescriptStructure,purescriptModuleKeyword,@purescriptComment
+syn region purescriptModuleParams start="(" skip="([^)]\{-})" end=")" fold contained keepend
+  \ contains=purescriptClassDecl,purescriptClass,purescriptClassName,purescriptDelimiter,purescriptType,purescriptTypeExport,purescriptFunction,purescriptStructure,purescriptModuleKeyword,@purescriptComment
   \ nextgroup=purescriptImportParams skipwhite
 
 " Import
@@ -86,8 +97,9 @@ syn match purescriptForall "∀"
 syn keyword purescriptConditional if then else
 syn keyword purescriptStatement do case of in
 syn keyword purescriptLet let
+" syn keyword purescriptClass class
 syn keyword purescriptWhere where
-syn match purescriptStructure "\<\(data\|newtype\|type\|class\|kind\)\>"
+syn match purescriptStructure "\<\(data\|newtype\|type\|kind\)\>"
   \ nextgroup=purescriptType skipwhite
 syn keyword purescriptStructure derive
 syn keyword purescriptStructure instance
@@ -101,7 +113,7 @@ syn match purescriptInfix "^\(infix\|infixl\|infixr\)\>\s\+\([0-9]\+\)\s\+\(type
 
 " Operators
 syn match purescriptOperator "\([-!#$%&\*\+/<=>\?@\\^|~:]\|\<_\>\)"
-syn match purescriptOperatorType "\(::\|∷\)"
+syn match purescriptOperatorType "\%(\<instance\>.*\)\@40<!\(::\|∷\)"
   \ nextgroup=purescriptForall,purescriptType skipwhite skipnl skipempty
 syn match purescriptOperatorFunction "\(->\|<-\|[\\→←]\)"
 syn match purescriptOperatorTypeSig "\(->\|<-\|=>\|<=\|::\|[∷∀→←⇒⇐]\)" contained
@@ -176,6 +188,8 @@ highlight def link purescriptLineComment purescriptComment
 highlight def link purescriptBlockComment purescriptComment
 
 " purescript general highlights
+highlight def link purescriptClass purescriptKeyword
+highlight def link purescriptClassName Type
 highlight def link purescriptStructure purescriptKeyword
 highlight def link purescriptKeyword Keyword
 highlight def link purescriptStatement Statement
diff --git a/syntax/qml.vim b/syntax/qml.vim
index f90791f..2fef61e 100644
--- a/syntax/qml.vim
+++ b/syntax/qml.vim
@@ -2,11 +2,14 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'qml') == -1
   
 " Vim syntax file
 " Language:     QML
-" Maintainer:   Warwick Allison <warwick.allison@nokia.com>
-" Updaters:
-" URL:
-" Changes:
-" Last Change:  2009 Apr 30
+" Maintainer:   Peter Hoeg <peter@hoeg.com>
+" Updaters:     Refer to CONTRIBUTORS.md
+" URL:          https://github.com/peterhoeg/vim-qml
+" Changes:      `git log` is your friend
+" Last Change:  2017-11-11
+"
+" This file is bassed on the original work done by Warwick Allison
+" <warwick.allison@nokia.com> whose did about 99% of the work here.
 
 " Based on javascript syntax (as is QML)
 
@@ -26,20 +29,20 @@ endif
 
 syn case ignore
 
-
+syn cluster qmlExpr              contains=qmlStringD,qmlString,SqmlCharacter,qmlNumber,qmlObjectLiteralType,qmlBoolean,qmlType,qmlJsType,qmlNull,qmlGlobal,qmlFunction
 syn keyword qmlCommentTodo       TODO FIXME XXX TBD contained
 syn match   qmlLineComment       "\/\/.*" contains=@Spell,qmlCommentTodo
 syn match   qmlCommentSkip       "^[ \t]*\*\($\|[ \t]\+\)"
 syn region  qmlComment           start="/\*"  end="\*/" contains=@Spell,qmlCommentTodo fold
 syn match   qmlSpecial           "\\\d\d\d\|\\."
-syn region  qmlStringD           start=+"+  skip=+\\\\\|\\"\|\\$+  end=+"\|$+  contains=qmlSpecial,@htmlPreproc
-syn region  qmlStringS           start=+'+  skip=+\\\\\|\\'\|\\$+  end=+'\|$+  contains=qmlSpecial,@htmlPreproc
+syn region  qmlStringD           start=+"+  skip=+\\\\\|\\"\|\\$+  end=+"\|$+  contains=qmlSpecial,@htmlPreproc,@Spell
+syn region  qmlStringS           start=+'+  skip=+\\\\\|\\'\|\\$+  end=+'\|$+  contains=qmlSpecial,@htmlPreproc,@Spell
 
 syn match   qmlCharacter         "'\\.'"
 syn match   qmlNumber            "-\=\<\d\+L\=\>\|0[xX][0-9a-fA-F]\+\>"
 syn region  qmlRegexpString      start=+/[^/*]+me=e-1 skip=+\\\\\|\\/+ end=+/[gi]\{0,2\}\s*$+ end=+/[gi]\{0,2\}\s*[;.,)\]}]+me=e-1 contains=@htmlPreproc oneline
 syn match   qmlObjectLiteralType "[A-Za-z][_A-Za-z0-9]*\s*\({\)\@="
-syn match   qmlNonBindingColon   "?[^;]*:"
+syn region  qmlTernaryColon   start="?" end=":" contains=@qmlExpr,qmlBraces,qmlParens
 syn match   qmlBindingProperty   "\<[A-Za-z][_A-Za-z.0-9]*\s*:"
 
 syn keyword qmlConditional       if else switch
@@ -122,7 +125,6 @@ if version >= 508 || !exists("did_qml_syn_inits")
   HiLink qmlReserved          Keyword
   HiLink qmlDebug             Debug
   HiLink qmlConstant          Label
-  HiLink qmlNonBindingColon   NONE
   HiLink qmlBindingProperty   Label
   HiLink qmlDeclaration       Function
 
diff --git a/syntax/scala.vim b/syntax/scala.vim
index 5e12b99..f551f37 100644
--- a/syntax/scala.vim
+++ b/syntax/scala.vim
@@ -102,9 +102,9 @@ syn match scalaTypeTypeDeclaration /(/ contained nextgroup=scalaTypeTypeExtensio
 syn match scalaTypeTypeDeclaration /\%(⇒\|=>\)\ze/ contained nextgroup=scalaTypeTypeDeclaration contains=scalaTypeTypeExtension skipwhite
 syn match scalaTypeTypeDeclaration /\<[_\.A-Za-z0-9$]\+\>/ contained nextgroup=scalaTypeTypeExtension,scalaTypeTypeEquals skipwhite
 syn match scalaTypeTypeEquals /=\ze[^>]/ contained nextgroup=scalaTypeTypePostDeclaration skipwhite
-syn match scalaTypeTypeExtension /)\?\_s*\zs\%(⇒\|=>\|<:\|:>\|=:=\|::\|#\)/ contained nextgroup=scalaTypeTypeDeclaration skipwhite
+syn match scalaTypeTypeExtension /)\?\_s*\zs\%(⇒\|=>\|<:\|:>\|=:=\|::\|#\)/ contained contains=scalaTypeOperator nextgroup=scalaTypeTypeDeclaration skipwhite
 syn match scalaTypeTypePostDeclaration /\<[_\.A-Za-z0-9$]\+\>/ contained nextgroup=scalaTypeTypePostExtension skipwhite
-syn match scalaTypeTypePostExtension /\%(⇒\|=>\|<:\|:>\|=:=\|::\)/ contained nextgroup=scalaTypeTypePostDeclaration skipwhite
+syn match scalaTypeTypePostExtension /\%(⇒\|=>\|<:\|:>\|=:=\|::\)/ contained contains=scalaTypeOperator nextgroup=scalaTypeTypePostDeclaration skipwhite
 hi link scalaTypeTypeDeclaration Type
 hi link scalaTypeTypeExtension Keyword
 hi link scalaTypeTypePostDeclaration Special
@@ -113,7 +113,7 @@ hi link scalaTypeTypePostExtension Keyword
 syn match scalaTypeDeclaration /(/ contained nextgroup=scalaTypeExtension contains=scalaRoundBrackets skipwhite
 syn match scalaTypeDeclaration /\%(⇒\|=>\)\ze/ contained nextgroup=scalaTypeDeclaration contains=scalaTypeExtension skipwhite
 syn match scalaTypeDeclaration /\<[_\.A-Za-z0-9$]\+\>/ contained nextgroup=scalaTypeExtension skipwhite
-syn match scalaTypeExtension /)\?\_s*\zs\%(⇒\|=>\|<:\|:>\|=:=\|::\|#\)/ contained nextgroup=scalaTypeDeclaration skipwhite
+syn match scalaTypeExtension /)\?\_s*\zs\%(⇒\|=>\|<:\|:>\|=:=\|::\|#\)/ contained contains=scalaTypeOperator nextgroup=scalaTypeDeclaration skipwhite
 hi link scalaTypeDeclaration Type
 hi link scalaTypeExtension Keyword
 hi link scalaTypePostExtension Keyword
@@ -122,12 +122,14 @@ syn match scalaTypeAnnotation /\%([_a-zA-Z0-9$\s]:\_s*\)\ze[_=(\.A-Za-z0-9$]\+/
 syn match scalaTypeAnnotation /)\_s*:\_s*\ze[_=(\.A-Za-z0-9$]\+/ skipwhite nextgroup=scalaTypeDeclaration
 hi link scalaTypeAnnotation Normal
 
-syn match scalaCaseFollowing /\<[_\.A-Za-z0-9$]\+\>/ contained
-syn match scalaCaseFollowing /`[^`]\+`/ contained
+syn match scalaCaseFollowing /\<[_\.A-Za-z0-9$]\+\>/ contained contains=scalaCapitalWord
+syn match scalaCaseFollowing /`[^`]\+`/ contained contains=scalaCapitalWord
 hi link scalaCaseFollowing Special
 
-syn keyword scalaKeywordModifier abstract override final lazy implicit implicitly private protected sealed null require super
+syn keyword scalaKeywordModifier abstract override final lazy implicit private protected sealed null super
+syn keyword scalaSpecialFunction implicitly require
 hi link scalaKeywordModifier Function
+hi link scalaSpecialFunction Function
 
 syn keyword scalaSpecial this true false ne eq
 syn keyword scalaSpecial new nextgroup=scalaInstanceDeclaration skipwhite
@@ -199,7 +201,6 @@ hi link scalaDocLinks Function
 hi link scalaParameterAnnotation Function
 hi link scalaParamAnnotationValue Keyword
 hi link scalaCommentAnnotation Function
-hi link scalaCommentCodeBlockBrackets String
 hi link scalaCommentCodeBlock String
 hi link scalaTodo Todo
 
diff --git a/syntax/toml.vim b/syntax/toml.vim
index 8233842..17ea3cf 100644
--- a/syntax/toml.vim
+++ b/syntax/toml.vim
@@ -41,10 +41,16 @@ hi def link tomlBoolean Boolean
 syn match tomlDate /\d\{4\}-\d\{2\}-\d\{2\}T\d\{2\}:\d\{2\}:\d\{2\}\%(\.\d\+\)\?\%(Z\|[+-]\d\{2\}:\d\{2\}\)/ display
 hi def link tomlDate Constant
 
-syn match tomlTable /^\s*\[[^#\[\]]\+\]\s*\(#.*\)\?$/ contains=tomlComment
+syn region tomlKeyDq oneline start=/"/ end=/"/ contains=tomlEscape contained
+hi def link tomlKeyDq Identifier
+
+syn region tomlKeySq oneline start=/'/ end=/'/ contained
+hi def link tomlKeySq Identifier
+
+syn region tomlTable oneline start=/^\s*\[[^\[]/ end=/\]/ contains=tomlKeyDq,tomlKeySq
 hi def link tomlTable Identifier
 
-syn match tomlTableArray /^\s*\[\[[^#\[\]]\+\]\]\s*\(#.*\)\?$/ contains=tomlComment
+syn region tomlTableArray oneline start=/^\s*\[\[/ end=/\]\]/ contains=tomlKeyDq,tomlKeySq
 hi def link tomlTableArray Identifier
 
 syn keyword tomlTodo TODO FIXME XXX BUG contained
diff --git a/syntax/twig.vim b/syntax/twig.vim
index 5fe20d7..3388f3b 100644
--- a/syntax/twig.vim
+++ b/syntax/twig.vim
@@ -19,9 +19,6 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'twig') == -1
 "     2011 July 27:   Changed all references of jinja tp twig
 "     2014 December 4:   Do not assume that the base filetype is HTML.
 
-if exists('b:main_syntax')
-  finish
-endif
 if exists('b:current_syntax')
   let b:main_syntax = b:current_syntax
 else
diff --git a/syntax/xs.vim b/syntax/xs.vim
index 459a620..82fd1a3 100644
--- a/syntax/xs.vim
+++ b/syntax/xs.vim
@@ -7,20 +7,11 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'perl') == -1
 " Previous:    Vincent Pit <perl@profvince.com>
 " Last Change: 2016-02-01
 
-" For version 5.x: Clear all syntax items
-" For version 6.x: Quit when a syntax file was already loaded
-if version < 600
-  syntax clear
-elseif exists("b:current_syntax")
+if exists("b:current_syntax")
   finish
 endif
 
-" Read the C syntax to start with
-if version < 600
-  source <sfile>:p:h/c.vim
-else
-  runtime! syntax/c.vim
-endif
+runtime! syntax/c.vim
 
 " Configuration:
 " let xs_superseded = 0 " mark C functions superseded by Perl replacements (ex. memcpy vs Copy)
@@ -3672,29 +3663,16 @@ syn keyword xsMacro whichsig write xio_any xio_dirp xiv_iv xlv_targoff
 syn keyword xsMacro xpv_len xuv_uv yystype
 
 " Define the default highlighting.
-" For version 5.7 and earlier: only when not done already
-" For version 5.8 and later: only when an item doesn't have highlighting yet
-if version >= 508 || !exists("did_xs_syntax_inits")
-  if version < 508
-    let did_xs_syntax_inits = 1
-    command -nargs=+ HiLink hi link <args>
-  else
-    command -nargs=+ HiLink hi def link <args>
-  endif
-
-  HiLink xsPrivate    Error
-  HiLink xsSuperseded Error
-  HiLink xsType       Type
-  HiLink xsString     String
-  HiLink xsConstant   Constant
-  HiLink xsException  Exception
-  HiLink xsKeyword    Keyword
-  HiLink xsFunction   Function
-  HiLink xsVariable   Identifier
-  HiLink xsMacro      Macro
-
-  delcommand HiLink
-endif
+hi def link xsPrivate    Error
+hi def link xsSuperseded Error
+hi def link xsType       Type
+hi def link xsString     String
+hi def link xsConstant   Constant
+hi def link xsException  Exception
+hi def link xsKeyword    Keyword
+hi def link xsFunction   Function
+hi def link xsVariable   Identifier
+hi def link xsMacro      Macro
 
 let b:current_syntax = "xs"