diff --git a/plugin/syntastic.vim b/plugin/syntastic.vim
index 1bbca888..5c2e770b 100644
--- a/plugin/syntastic.vim
+++ b/plugin/syntastic.vim
@@ -57,14 +57,14 @@ if !exists("g:syntastic_filetype_map")
 endif
 
 let s:registry = g:SyntasticRegistry.Instance()
-let s:notifiers = g:SyntasticNotifiers.New()
+let s:notifiers = g:SyntasticNotifiers.Instance()
 let s:modemap = g:SyntasticModeMap.Instance()
 
 function! s:CompleteCheckerName(argLead, cmdLine, cursorPos)
     let checker_names = []
     for ft in s:CurrentFiletypes()
         for checker in s:registry.availableCheckersFor(ft)
-            call add(checker_names, checker.name())
+            call add(checker_names, checker.getName())
         endfor
     endfor
     return join(checker_names, "\n")
@@ -172,7 +172,7 @@ function! s:CacheErrors(...)
             endif
 
             for checker in checkers
-                call syntastic#util#debug("CacheErrors: Invoking checker: " . checker.name())
+                call syntastic#util#debug("CacheErrors: Invoking checker: " . checker.getName())
 
                 let loclist = checker.getLocList()
 
@@ -258,7 +258,7 @@ endfunction
 function! SyntasticStatuslineFlag()
     let loclist = g:SyntasticLoclist.current()
     let issues = loclist.filteredRaw()
-    let num_issues = loclist.length()
+    let num_issues = loclist.getLength()
     if loclist.hasErrorsOrWarningsToDisplay()
         let errors = loclist.errors()
         let warnings = loclist.warnings()
diff --git a/plugin/syntastic/checker.vim b/plugin/syntastic/checker.vim
index 5f4e8fd3..a5a54cba 100644
--- a/plugin/syntastic/checker.vim
+++ b/plugin/syntastic/checker.vim
@@ -27,11 +27,11 @@ function! g:SyntasticChecker.New(args)
     return newObj
 endfunction
 
-function! g:SyntasticChecker.filetype()
+function! g:SyntasticChecker.getFiletype()
     return self._filetype
 endfunction
 
-function! g:SyntasticChecker.name()
+function! g:SyntasticChecker.getName()
     return self._name
 endfunction
 
diff --git a/plugin/syntastic/loclist.vim b/plugin/syntastic/loclist.vim
index 2dd0bd5a..637c6b82 100644
--- a/plugin/syntastic/loclist.vim
+++ b/plugin/syntastic/loclist.vim
@@ -55,7 +55,7 @@ function! g:SyntasticLoclist.isEmpty()
     return empty(self._rawLoclist)
 endfunction
 
-function! g:SyntasticLoclist.length()
+function! g:SyntasticLoclist.getLength()
     return len(self._rawLoclist)
 endfunction
 
diff --git a/plugin/syntastic/modemap.vim b/plugin/syntastic/modemap.vim
index 058c695a..2a838883 100644
--- a/plugin/syntastic/modemap.vim
+++ b/plugin/syntastic/modemap.vim
@@ -5,6 +5,8 @@ let g:loaded_syntastic_modemap = 1
 
 let g:SyntasticModeMap = {}
 
+" Public methods {{{1
+
 function! g:SyntasticModeMap.Instance()
     if !exists('s:SyntasticModeMapInstance')
         let s:SyntasticModeMapInstance = copy(self)
@@ -40,6 +42,8 @@ function! g:SyntasticModeMap.echoMode()
     echo "Syntastic: " . self._mode . " mode enabled"
 endfunction
 
+" Private methods {{{1
+
 function! g:SyntasticModeMap._initModeMapFromGlobalOpts()
     let self._mode = "active"
     let self._activeFiletypes = []
@@ -60,3 +64,4 @@ function! g:SyntasticModeMap._noFiletypesArePassive(filetypes)
     return empty(filter(a:filetypes, 'index(self._passiveFiletypes, v:val) != -1'))
 endfunction
 
+" vim: set sw=4 sts=4 et fdm=marker:
diff --git a/plugin/syntastic/notifiers.vim b/plugin/syntastic/notifiers.vim
index 5a7c8432..1a7766aa 100644
--- a/plugin/syntastic/notifiers.vim
+++ b/plugin/syntastic/notifiers.vim
@@ -9,18 +9,13 @@ let s:notifier_types = ['signs', 'balloons', 'highlighting', 'cursor', 'autolocl
 
 " Public methods {{{1
 
-function! g:SyntasticNotifiers.New()
-    let newObj = copy(self)
+function! g:SyntasticNotifiers.Instance()
+    if !exists('s:SyntasticNotifiersInstance')
+        let s:SyntasticNotifiersInstance = copy(self)
+        call s:SyntasticNotifiersInstance._initNotifiers()
+    endif
 
-    let newObj._notifier = {}
-    for type in s:notifier_types
-        let class = substitute(type, '.*', 'Syntastic\u&Notifier', '')
-        let newObj._notifier[type] = g:{class}.New()
-    endfor
-
-    let newObj._enabled_types = copy(s:notifier_types)
-
-    return newObj
+    return s:SyntasticNotifiersInstance
 endfunction
 
 function! g:SyntasticNotifiers.refresh(loclist)
@@ -41,4 +36,16 @@ function! g:SyntasticNotifiers.reset(loclist)
     endfor
 endfunction
 
+" Private methods {{{1
+
+function! g:SyntasticNotifiers._initNotifiers()
+    let self._notifier = {}
+    for type in s:notifier_types
+        let class = substitute(type, '.*', 'Syntastic\u&Notifier', '')
+        let self._notifier[type] = g:{class}.New()
+    endfor
+
+    let self._enabled_types = copy(s:notifier_types)
+endfunction
+
 " vim: set sw=4 sts=4 et fdm=marker:
diff --git a/plugin/syntastic/registry.vim b/plugin/syntastic/registry.vim
index 3905324f..9842809b 100644
--- a/plugin/syntastic/registry.vim
+++ b/plugin/syntastic/registry.vim
@@ -47,7 +47,7 @@ function! g:SyntasticRegistry.CreateAndRegisterChecker(args)
 endfunction
 
 function! g:SyntasticRegistry.registerChecker(checker) abort
-    let ft = a:checker.filetype()
+    let ft = a:checker.getFiletype()
 
     if !has_key(self._checkerMap, ft)
         let self._checkerMap[ft] = []
@@ -85,7 +85,7 @@ endfunction
 
 function! g:SyntasticRegistry.getChecker(ftalias, name)
     for checker in self.availableCheckersFor(a:ftalias)
-        if checker.name() == a:name
+        if checker.getName() == a:name
             return checker
         endif
     endfor
@@ -109,8 +109,8 @@ function! g:SyntasticRegistry.echoInfoFor(ftalias_list)
         call extend(active, self.getActiveCheckers(ftalias))
     endfor
 
-    echomsg "Available checkers: " . join(syntastic#util#unique(map(available, "v:val.name()")))
-    echomsg "Currently active checker(s): " . join(syntastic#util#unique(map(active, "v:val.name()")))
+    echomsg "Available checkers: " . join(syntastic#util#unique(map(available, "v:val.getName()")))
+    echomsg "Currently active checker(s): " . join(syntastic#util#unique(map(active, "v:val.getName()")))
 endfunction
 
 " Private methods {{{1
@@ -127,7 +127,7 @@ endfunction
 function! g:SyntasticRegistry._filterCheckersByDefaultSettings(checkers, filetype)
     if has_key(s:defaultCheckers, a:filetype)
         let whitelist = s:defaultCheckers[a:filetype]
-        return filter(a:checkers, "index(whitelist, v:val.name()) != -1")
+        return filter(a:checkers, "index(whitelist, v:val.getName()) != -1")
     endif
 
     return a:checkers
@@ -139,7 +139,7 @@ function! g:SyntasticRegistry._filterCheckersByUserSettings(checkers, filetype)
     else
         let whitelist = g:syntastic_{a:filetype}_checkers
     endif
-    return filter(a:checkers, "index(whitelist, v:val.name()) != -1")
+    return filter(a:checkers, "index(whitelist, v:val.getName()) != -1")
 endfunction
 
 function! g:SyntasticRegistry._filterCheckersByAvailability(checkers)
@@ -171,9 +171,9 @@ function! g:SyntasticRegistry._userHasFiletypeSettings(filetype)
 endfunction
 
 function! g:SyntasticRegistry._validateUniqueName(checker) abort
-    for checker in self._allCheckersFor(a:checker.filetype())
-        if checker.name() == a:checker.name()
-            throw "Syntastic: Duplicate syntax checker name for: " . a:checker.name()
+    for checker in self._allCheckersFor(a:checker.getFiletype())
+        if checker.getName() == a:checker.getName()
+            throw "Syntastic: Duplicate syntax checker name for: " . a:checker.getName()
         endif
     endfor
 endfunction
diff --git a/syntax_checkers/text/atdtool.vim b/syntax_checkers/text/atdtool.vim
index 62d62b1c..5cc99b87 100644
--- a/syntax_checkers/text/atdtool.vim
+++ b/syntax_checkers/text/atdtool.vim
@@ -20,7 +20,12 @@ function! SyntaxCheckers_text_atdtool_IsAvailable()
 endfunction
 
 function! SyntaxCheckers_text_atdtool_GetHighlightRegex(item)
-    return matchstr(a:item['text'], '\m "\zs[^"]\+\ze"\($\| | suggestions:\)')
+    let term = matchstr(a:item['text'], '\m "\zs[^"]\+\ze"\($\| | suggestions:\)')
+    if term != ''
+        let col = get(a:item, 'col', 0)
+        let term = (col != 0 ? '\%' . col . 'c' : '') . '\V' . term
+    endif
+    return term
 endfunction
 
 function! SyntaxCheckers_text_atdtool_GetLocList()