Updated VIM bindings, thanks to Ladicek!

tools/utils/vim/syntax/dart.vim

 " Vim syntax file " Language: Dart
-" Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+" Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 " for details. All rights reserved. Use of this source code is governed by a
 " BSD-style license that can be found in the LICENSE file.
 
 " Quit when a syntax file was already loaded
 if !exists("main_syntax")
   if version < 600
     syntax clear
   elseif exists("b:current_syntax")
     finish
   endif
   " we define it here so that included files can test for it
   let main_syntax='dart'
   syn region dartFold start="{" end="}" transparent fold
 endif
 
 " keyword definitions
 syn keyword dartConditional    if else switch
-syn keyword dartRepeat         while for
+syn keyword dartRepeat         do while for
 syn keyword dartBoolean        true false
 syn keyword dartConstant       null
 syn keyword dartTypedef        this super class typedef
 syn keyword dartOperator       new is in factory
-syn match   dartOperator       "+\|-\|*\|[~]\=/\|%\|||\|&&\|\(!\|=\)=[=]\=\|=>\|[<>]=\|=\|!"
+syn match   dartOperator       "+=\=\|-=\=\|*=\=\|/=\=\|%=\=\|\~/=\=\|<<=\=\|>>=\=\|[<>]=\=\|===\=\|\!==\=\|&=\=\|\^=\=\||=\=\|||\|&&\|\[\]=\=\|=>\|!\|\~"
 syn keyword dartType           void var const bool int double num
 syn keyword dartStatement      return
 syn keyword dartStorageClass   static final abstract
 syn keyword dartExceptions     throw try catch finally
 syn keyword dartAssert         assert
 syn keyword dartClassDecl      extends implements interface
 " TODO(antonm): check if labels on break and continue are supported.
 syn keyword dartBranch         break continue nextgroup=dartUserLabelRef skipwhite
-syn keyword dartKeyword        function get set operator
+syn keyword dartKeyword        get set operator call equals negate
 syn match   dartUserLabelRef   "\k\+" contained
 syn match   dartVarArg         "\.\.\."
 
 " TODO(antonm): consider conditional highlighting of corelib classes.
 
 syn region  dartLabelRegion   transparent matchgroup=dartLabel start="\<case\>" matchgroup=NONE end=":"
 syn keyword dartLabel         default
 
 " Comments
 syn keyword dartTodo          contained TODO FIXME XXX
 syn region  dartComment       start="/\*"  end="\*/" contains=dartTodo,dartDocLink,@Spell
 syn match   dartLineComment   "//.*" contains=dartTodo,@Spell
+syn match   dartLineDocComment "///.*" contains=dartTodo,dartDocLink,@Spell
 syn region  dartDocLink       contained start=+\[+ end=+\]+
 
 " Strings
 syn region  dartString        start=+\z(["']\)+hs=s+1 end=+\z1+he=e-1 contains=@Spell,dartInterpolation,dartSpecialChar
 syn region  dartRawString     start=+@\z(["']\)+hs=s+2 end=+\z1+he=e-1 contains=@Spell
 syn match   dartInterpolation contained "\$\(\w\+\|{[^}]\+}\)"
 syn match   dartSpecialChar   contained "\\\(u\x\{4\}\|u{\x\+}\|x\x\x\|x{\x\+}\|.\)"
 
 " Numbers
 syn match dartNumber         "\<\d\+\(\.\d\+\)\=\>"
@@ skipping 12 matching lines @@
 HiLink dartStorageClass    StorageClass
 HiLink dartClassDecl       dartStorageClass
 HiLink dartBoolean         Boolean
 HiLink dartString          String
 HiLink dartRawString       String
 HiLink dartNumber          Number
 HiLink dartStatement       Statement
 HiLink dartOperator        Operator
 HiLink dartComment         Comment
 HiLink dartLineComment     Comment
+HiLink dartLineDocComment  Comment
 HiLink dartConstant        Constant
 HiLink dartTypedef         Typedef
 HiLink dartTodo            Todo
 HiLink dartKeyword         Keyword
 HiLink dartType            Type
 HiLink dartInterpolation   PreProc
 HiLink dartDocLink         SpecialComment
 HiLink dartSpecialChar     SpecialChar
 delcommand HiLink
 
 let b:current_syntax = "dart"
 
 if main_syntax == 'dart'
   unlet main_syntax
 endif
 
 let b:spell_options="contained"
+
+" Enable automatic indentation (2 spaces)
+set expandtab
+set shiftwidth=2
+set softtabstop=2
+set cindent