diff --git a/runtime/syntax/kconfig.vim b/runtime/syntax/kconfig.vim
new file mode 100644
index 0000000..f791014
--- /dev/null
+++ b/runtime/syntax/kconfig.vim
@@ -0,0 +1,728 @@
+" Vim syntax file
+" Maintainer:       Nikolai Weibull <now@bitwi.se>
+" Latest Revision:  2006-04-11
+
+if exists("b:current_syntax")
+  finish
+endif
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+if exists("g:kconfig_syntax_heavy")
+
+syn match   kconfigBegin              '^' nextgroup=kconfigKeyword
+                                      \ skipwhite
+
+syn keyword kconfigTodo               contained TODO FIXME XXX NOTE
+
+syn match   kconfigComment            display '#.*$' contains=kconfigTodo
+
+syn keyword kconfigKeyword            config nextgroup=kconfigSymbol
+                                      \ skipwhite
+
+syn keyword kconfigKeyword            menuconfig nextgroup=kconfigSymbol
+                                      \ skipwhite
+
+syn keyword kconfigKeyword            comment menu mainmenu
+                                      \ nextgroup=kconfigKeywordPrompt
+                                      \ skipwhite
+
+syn keyword kconfigKeyword            choice
+                                      \ nextgroup=@kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn keyword kconfigKeyword            endmenu endchoice
+
+syn keyword kconfigPreProc            source
+                                      \ nextgroup=kconfigPath
+                                      \ skipwhite
+
+" TODO: This is a hack.  The who .*Expr stuff should really be generated so
+" that we can reuse it for various nextgroups.
+syn keyword kconfigConditional        if endif
+                                      \ nextgroup=@kconfigConfigOptionIfExpr
+                                      \ skipwhite
+
+syn match   kconfigKeywordPrompt      '"[^"\\]*\%(\\.[^"\\]*\)*"'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn match   kconfigPath               '"[^"\\]*\%(\\.[^"\\]*\)*"\|\S\+'
+                                      \ contained
+
+syn match   kconfigSymbol             '\<\k\+\>'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+" FIXME: There is – probably – no reason to cluster these instead of just
+" defining them in the same group.
+syn cluster kconfigConfigOptions      contains=kconfigTypeDefinition,
+                                      \        kconfigInputPrompt,
+                                      \        kconfigDefaultValue,
+                                      \        kconfigDependencies,
+                                      \        kconfigReverseDependencies,
+                                      \        kconfigNumericalRanges,
+                                      \        kconfigHelpText,
+                                      \        kconfigDefBool,
+                                      \        kconfigOptional
+
+syn keyword kconfigTypeDefinition     bool boolean tristate string hex int
+                                      \ contained
+                                      \ nextgroup=kconfigTypeDefPrompt,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn match   kconfigTypeDefPrompt      '"[^"\\]*\%(\\.[^"\\]*\)*"'
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn match   kconfigTypeDefPrompt      "'[^'\\]*\%(\\.[^'\\]*\)*'"
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn keyword kconfigInputPrompt        prompt
+                                      \ contained
+                                      \ nextgroup=kconfigPromptPrompt
+                                      \ skipwhite
+
+syn match   kconfigPromptPrompt       '"[^"\\]*\%(\\.[^"\\]*\)*"'
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn match   kconfigPromptPrompt       "'[^'\\]*\%(\\.[^'\\]*\)*'"
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn keyword   kconfigDefaultValue     default
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptionExpr
+                                      \ skipwhite
+
+syn match   kconfigDependencies       'depends on\|requires'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptionIfExpr
+                                      \ skipwhite
+
+syn keyword kconfigReverseDependencies select
+                                      \ contained
+                                      \ nextgroup=@kconfigRevDepSymbol
+                                      \ skipwhite
+
+syn cluster kconfigRevDepSymbol       contains=kconfigRevDepCSymbol,
+                                      \        kconfigRevDepNCSymbol
+
+syn match   kconfigRevDepCSymbol      '"[^"\\]*\%(\\.[^"\\]*\)*"'
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn match   kconfigRevDepCSymbol      "'[^'\\]*\%(\\.[^'\\]*\)*'"
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn match   kconfigRevDepNCSymbol     '\<\k\+\>'
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn keyword kconfigNumericalRanges    range
+                                      \ contained
+                                      \ nextgroup=@kconfigRangeSymbol
+                                      \ skipwhite
+
+syn cluster kconfigRangeSymbol        contains=kconfigRangeCSymbol,
+                                      \        kconfigRangeNCSymbol
+
+syn match   kconfigRangeCSymbol       '"[^"\\]*\%(\\.[^"\\]*\)*"'
+                                      \ contained
+                                      \ nextgroup=@kconfigRangeSymbol2
+                                      \ skipwhite skipnl
+
+syn match   kconfigRangeCSymbol       "'[^'\\]*\%(\\.[^'\\]*\)*'"
+                                      \ contained
+                                      \ nextgroup=@kconfigRangeSymbol2
+                                      \ skipwhite skipnl
+
+syn match   kconfigRangeNCSymbol      '\<\k\+\>'
+                                      \ contained
+                                      \ nextgroup=@kconfigRangeSymbol2
+                                      \ skipwhite skipnl
+
+syn cluster kconfigRangeSymbol2       contains=kconfigRangeCSymbol2,
+                                      \        kconfigRangeNCSymbol2
+
+syn match   kconfigRangeCSymbol2      "'[^'\\]*\%(\\.[^'\\]*\)*'"
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn match   kconfigRangeNCSymbol2     '\<\k\+\>'
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn region  kconfigHelpText           contained
+      \ matchgroup=kconfigConfigOption
+      \ start='\%(help\|---help---\)\s*\n\ze\z(\s\+\)'
+      \ skip='^$'
+      \ end='^\z1\@!'
+      \ nextgroup=@kconfigConfigOptions
+      \ skipwhite skipnl
+
+" XXX: Undocumented
+syn keyword kconfigDefBool            def_bool
+                                      \ contained
+                                      \ nextgroup=@kconfigDefBoolSymbol
+                                      \ skipwhite
+
+syn cluster kconfigDefBoolSymbol      contains=kconfigDefBoolCSymbol,
+                                      \        kconfigDefBoolNCSymbol
+
+syn match   kconfigDefBoolCSymbol     '"[^"\\]*\%(\\.[^"\\]*\)*"'
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn match   kconfigDefBoolCSymbol     "'[^'\\]*\%(\\.[^'\\]*\)*'"
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn match   kconfigDefBoolNCSymbol    '\<\k\+\>'
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+" XXX: This is actually only a valid option for “choice”, but treating it
+" specially would require a lot of extra groups.
+syn keyword kconfigOptional           optional
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn keyword kconfigConfigOptionIf     if
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptionIfExpr
+                                      \ skipwhite
+
+syn cluster kconfigConfigOptionIfExpr contains=@kconfigConfOptIfExprSym,
+                                      \        kconfigConfOptIfExprNeg,
+                                      \        kconfigConfOptIfExprGroup
+
+syn cluster kconfigConfOptIfExprSym   contains=kconfigConfOptIfExprCSym,
+                                      \        kconfigConfOptIfExprNCSym
+
+syn match   kconfigConfOptIfExprCSym  '"[^"\\]*\%(\\.[^"\\]*\)*"'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptions,
+                                      \           kconfigConfOptIfExprAnd,
+                                      \           kconfigConfOptIfExprOr,
+                                      \           kconfigConfOptIfExprEq,
+                                      \           kconfigConfOptIfExprNEq
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptIfExprCSym  "'[^'\\]*\%(\\.[^'\\]*\)*'"
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptions,
+                                      \           kconfigConfOptIfExprAnd,
+                                      \           kconfigConfOptIfExprOr,
+                                      \           kconfigConfOptIfExprEq,
+                                      \           kconfigConfOptIfExprNEq
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptIfExprNCSym '\<\k\+\>'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptions,
+                                      \           kconfigConfOptIfExprAnd,
+                                      \           kconfigConfOptIfExprOr,
+                                      \           kconfigConfOptIfExprEq,
+                                      \           kconfigConfOptIfExprNEq
+                                      \ skipwhite skipnl
+
+syn cluster kconfigConfOptIfExprSym2  contains=kconfigConfOptIfExprCSym2,
+                                      \        kconfigConfOptIfExprNCSym2
+
+syn match   kconfigConfOptIfExprEq    '='
+                                      \ contained
+                                      \ nextgroup=@kconfigConfOptIfExprSym2
+                                      \ skipwhite
+
+syn match   kconfigConfOptIfExprNEq   '!='
+                                      \ contained
+                                      \ nextgroup=@kconfigConfOptIfExprSym2
+                                      \ skipwhite
+
+syn match   kconfigConfOptIfExprCSym2 "'[^'\\]*\%(\\.[^'\\]*\)*'"
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptions,
+                                      \           kconfigConfOptIfExprAnd,
+                                      \           kconfigConfOptIfExprOr
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptIfExprNCSym2 '\<\k\+\>'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptions,
+                                      \           kconfigConfOptIfExprAnd,
+                                      \           kconfigConfOptIfExprOr
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptIfExprNeg   '!'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptionIfExpr
+                                      \ skipwhite
+
+syn match   kconfigConfOptIfExprAnd   '&&'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptionIfExpr
+                                      \ skipwhite
+
+syn match   kconfigConfOptIfExprOr    '||'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptionIfExpr
+                                      \ skipwhite
+
+syn match   kconfigConfOptIfExprGroup '('
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptionIfGExp
+                                      \ skipwhite
+
+" TODO: hm, this kind of recursion doesn't work right.  We need another set of
+" expressions that have kconfigConfigOPtionIfGExp as nextgroup and a matcher
+" for '(' that sets it all off.
+syn cluster kconfigConfigOptionIfGExp contains=@kconfigConfOptIfGExpSym,
+                                      \        kconfigConfOptIfGExpNeg,
+                                      \        kconfigConfOptIfExprGroup
+
+syn cluster kconfigConfOptIfGExpSym   contains=kconfigConfOptIfGExpCSym,
+                                      \        kconfigConfOptIfGExpNCSym
+
+syn match   kconfigConfOptIfGExpCSym  '"[^"\\]*\%(\\.[^"\\]*\)*"'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigIf,
+                                      \           kconfigConfOptIfGExpAnd,
+                                      \           kconfigConfOptIfGExpOr,
+                                      \           kconfigConfOptIfGExpEq,
+                                      \           kconfigConfOptIfGExpNEq
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptIfGExpCSym  "'[^'\\]*\%(\\.[^'\\]*\)*'"
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigIf,
+                                      \           kconfigConfOptIfGExpAnd,
+                                      \           kconfigConfOptIfGExpOr,
+                                      \           kconfigConfOptIfGExpEq,
+                                      \           kconfigConfOptIfGExpNEq
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptIfGExpNCSym '\<\k\+\>'
+                                      \ contained
+                                      \ nextgroup=kconfigConfOptIfExprGrpE,
+                                      \           kconfigConfOptIfGExpAnd,
+                                      \           kconfigConfOptIfGExpOr,
+                                      \           kconfigConfOptIfGExpEq,
+                                      \           kconfigConfOptIfGExpNEq
+                                      \ skipwhite skipnl
+
+syn cluster kconfigConfOptIfGExpSym2  contains=kconfigConfOptIfGExpCSym2,
+                                      \        kconfigConfOptIfGExpNCSym2
+
+syn match   kconfigConfOptIfGExpEq    '='
+                                      \ contained
+                                      \ nextgroup=@kconfigConfOptIfGExpSym2
+                                      \ skipwhite
+
+syn match   kconfigConfOptIfGExpNEq   '!='
+                                      \ contained
+                                      \ nextgroup=@kconfigConfOptIfGExpSym2
+                                      \ skipwhite
+
+syn match   kconfigConfOptIfGExpCSym2 '"[^"\\]*\%(\\.[^"\\]*\)*"'
+                                      \ contained
+                                      \ nextgroup=kconfigConfOptIfExprGrpE,
+                                      \           kconfigConfOptIfGExpAnd,
+                                      \           kconfigConfOptIfGExpOr
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptIfGExpCSym2 "'[^'\\]*\%(\\.[^'\\]*\)*'"
+                                      \ contained
+                                      \ nextgroup=kconfigConfOptIfExprGrpE,
+                                      \           kconfigConfOptIfGExpAnd,
+                                      \           kconfigConfOptIfGExpOr
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptIfGExpNCSym2 '\<\k\+\>'
+                                      \ contained
+                                      \ nextgroup=kconfigConfOptIfExprGrpE,
+                                      \           kconfigConfOptIfGExpAnd,
+                                      \           kconfigConfOptIfGExpOr
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptIfGExpNeg   '!'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptionIfGExp
+                                      \ skipwhite
+
+syn match   kconfigConfOptIfGExpAnd   '&&'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptionIfGExp
+                                      \ skipwhite
+
+syn match   kconfigConfOptIfGExpOr    '||'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptionIfGExp
+                                      \ skipwhite
+
+syn match   kconfigConfOptIfExprGrpE  ')'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptions,
+                                      \           kconfigConfOptIfExprAnd,
+                                      \           kconfigConfOptIfExprOr
+                                      \ skipwhite skipnl
+
+
+syn cluster kconfigConfigOptionExpr   contains=@kconfigConfOptExprSym,
+                                      \        kconfigConfOptExprNeg,
+                                      \        kconfigConfOptExprGroup
+
+syn cluster kconfigConfOptExprSym     contains=kconfigConfOptExprCSym,
+                                      \        kconfigConfOptExprNCSym
+
+syn match   kconfigConfOptExprCSym    '"[^"\\]*\%(\\.[^"\\]*\)*"'
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           kconfigConfOptExprAnd,
+                                      \           kconfigConfOptExprOr,
+                                      \           kconfigConfOptExprEq,
+                                      \           kconfigConfOptExprNEq,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptExprCSym    "'[^'\\]*\%(\\.[^'\\]*\)*'"
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           kconfigConfOptExprAnd,
+                                      \           kconfigConfOptExprOr,
+                                      \           kconfigConfOptExprEq,
+                                      \           kconfigConfOptExprNEq,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptExprNCSym   '\<\k\+\>'
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           kconfigConfOptExprAnd,
+                                      \           kconfigConfOptExprOr,
+                                      \           kconfigConfOptExprEq,
+                                      \           kconfigConfOptExprNEq,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn cluster kconfigConfOptExprSym2    contains=kconfigConfOptExprCSym2,
+                                      \        kconfigConfOptExprNCSym2
+
+syn match   kconfigConfOptExprEq      '='
+                                      \ contained
+                                      \ nextgroup=@kconfigConfOptExprSym2
+                                      \ skipwhite
+
+syn match   kconfigConfOptExprNEq     '!='
+                                      \ contained
+                                      \ nextgroup=@kconfigConfOptExprSym2
+                                      \ skipwhite
+
+syn match   kconfigConfOptExprCSym2   '"[^"\\]*\%(\\.[^"\\]*\)*"'
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           kconfigConfOptExprAnd,
+                                      \           kconfigConfOptExprOr,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptExprCSym2   "'[^'\\]*\%(\\.[^'\\]*\)*'"
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           kconfigConfOptExprAnd,
+                                      \           kconfigConfOptExprOr,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptExprNCSym2  '\<\k\+\>'
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           kconfigConfOptExprAnd,
+                                      \           kconfigConfOptExprOr,
+                                      \           @kconfigConfigOptions
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptExprNeg     '!'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptionExpr
+                                      \ skipwhite
+
+syn match   kconfigConfOptExprAnd     '&&'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptionExpr
+                                      \ skipwhite
+
+syn match   kconfigConfOptExprOr      '||'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptionExpr
+                                      \ skipwhite
+
+syn match   kconfigConfOptExprGroup   '('
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptionGExp
+                                      \ skipwhite
+
+syn cluster kconfigConfigOptionGExp   contains=@kconfigConfOptGExpSym,
+                                      \        kconfigConfOptGExpNeg,
+                                      \        kconfigConfOptGExpGroup
+
+syn cluster kconfigConfOptGExpSym     contains=kconfigConfOptGExpCSym,
+                                      \        kconfigConfOptGExpNCSym
+
+syn match   kconfigConfOptGExpCSym    '"[^"\\]*\%(\\.[^"\\]*\)*"'
+                                      \ contained
+                                      \ nextgroup=kconfigConfOptExprGrpE,
+                                      \           kconfigConfOptGExpAnd,
+                                      \           kconfigConfOptGExpOr,
+                                      \           kconfigConfOptGExpEq,
+                                      \           kconfigConfOptGExpNEq
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptGExpCSym    "'[^'\\]*\%(\\.[^'\\]*\)*'"
+                                      \ contained
+                                      \ nextgroup=kconfigConfOptExprGrpE,
+                                      \           kconfigConfOptGExpAnd,
+                                      \           kconfigConfOptGExpOr,
+                                      \           kconfigConfOptGExpEq,
+                                      \           kconfigConfOptGExpNEq
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptGExpNCSym   '\<\k\+\>'
+                                      \ contained
+                                      \ nextgroup=kconfigConfOptExprGrpE,
+                                      \           kconfigConfOptGExpAnd,
+                                      \           kconfigConfOptGExpOr,
+                                      \           kconfigConfOptGExpEq,
+                                      \           kconfigConfOptGExpNEq
+                                      \ skipwhite skipnl
+
+syn cluster kconfigConfOptGExpSym2    contains=kconfigConfOptGExpCSym2,
+                                      \        kconfigConfOptGExpNCSym2
+
+syn match   kconfigConfOptGExpEq      '='
+                                      \ contained
+                                      \ nextgroup=@kconfigConfOptGExpSym2
+                                      \ skipwhite
+
+syn match   kconfigConfOptGExpNEq     '!='
+                                      \ contained
+                                      \ nextgroup=@kconfigConfOptGExpSym2
+                                      \ skipwhite
+
+syn match   kconfigConfOptGExpCSym2   '"[^"\\]*\%(\\.[^"\\]*\)*"'
+                                      \ contained
+                                      \ nextgroup=kconfigConfOptExprGrpE,
+                                      \           kconfigConfOptGExpAnd,
+                                      \           kconfigConfOptGExpOr
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptGExpCSym2   "'[^'\\]*\%(\\.[^'\\]*\)*'"
+                                      \ contained
+                                      \ nextgroup=kconfigConfOptExprGrpE,
+                                      \           kconfigConfOptGExpAnd,
+                                      \           kconfigConfOptGExpOr
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptGExpNCSym2  '\<\k\+\>'
+                                      \ contained
+                                      \ nextgroup=kconfigConfOptExprGrpE,
+                                      \           kconfigConfOptGExpAnd,
+                                      \           kconfigConfOptGExpOr
+                                      \ skipwhite skipnl
+
+syn match   kconfigConfOptGExpNeg     '!'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptionGExp
+                                      \ skipwhite
+
+syn match   kconfigConfOptGExpAnd     '&&'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptionGExp
+                                      \ skipwhite
+
+syn match   kconfigConfOptGExpOr      '||'
+                                      \ contained
+                                      \ nextgroup=@kconfigConfigOptionGExp
+                                      \ skipwhite
+
+syn match   kconfigConfOptExprGrpE    ')'
+                                      \ contained
+                                      \ nextgroup=kconfigConfigOptionIf,
+                                      \           kconfigConfOptExprAnd,
+                                      \           kconfigConfOptExprOr
+                                      \ skipwhite skipnl
+
+hi def link kconfigTodo                 Todo
+hi def link kconfigComment              Comment
+hi def link kconfigKeyword              Keyword
+hi def link kconfigPreProc              PreProc
+hi def link kconfigConditional          Conditional
+hi def link kconfigPrompt               String
+hi def link kconfigKeywordPrompt        kconfigPrompt
+hi def link kconfigPath                 String
+hi def link kconfigSymbol               String
+hi def link kconfigConstantSymbol       Constant
+hi def link kconfigConfigOption         Type
+hi def link kconfigTypeDefinition       kconfigConfigOption
+hi def link kconfigTypeDefPrompt        kconfigPrompt
+hi def link kconfigInputPrompt          kconfigConfigOption
+hi def link kconfigPromptPrompt         kconfigPrompt
+hi def link kconfigDefaultValue         kconfigConfigOption
+hi def link kconfigDependencies         kconfigConfigOption
+hi def link kconfigReverseDependencies  kconfigConfigOption
+hi def link kconfigRevDepCSymbol        kconfigConstantSymbol
+hi def link kconfigRevDepNCSymbol       kconfigSymbol
+hi def link kconfigNumericalRanges      kconfigConfigOption
+hi def link kconfigRangeCSymbol         kconfigConstantSymbol
+hi def link kconfigRangeNCSymbol        kconfigSymbol
+hi def link kconfigRangeCSymbol2        kconfigConstantSymbol
+hi def link kconfigRangeNCSymbol2       kconfigSymbol
+hi def link kconfigHelpText             Normal
+hi def link kconfigDefBool              kconfigConfigOption
+hi def link kconfigDefBoolCSymbol       kconfigConstantSymbol
+hi def link kconfigDefBoolNCSymbol      kconfigSymbol
+hi def link kconfigOptional             kconfigConfigOption
+hi def link kconfigConfigOptionIf       Conditional
+hi def link kconfigConfOptIfExprCSym    kconfigConstantSymbol
+hi def link kconfigConfOptIfExprNCSym   kconfigSymbol
+hi def link kconfigOperator             Operator
+hi def link kconfigConfOptIfExprEq      kconfigOperator
+hi def link kconfigConfOptIfExprNEq     kconfigOperator
+hi def link kconfigConfOptIfExprCSym2   kconfigConstantSymbol
+hi def link kconfigConfOptIfExprNCSym2  kconfigSymbol
+hi def link kconfigConfOptIfExprNeg     kconfigOperator
+hi def link kconfigConfOptIfExprAnd     kconfigOperator
+hi def link kconfigConfOptIfExprOr      kconfigOperator
+hi def link kconfigDelimiter            Delimiter
+hi def link kconfigConfOptIfExprGroup   kconfigDelimiter
+hi def link kconfigConfOptIfGExpCSym    kconfigConstantSymbol
+hi def link kconfigConfOptIfGExpNCSym   kconfigSymbol
+hi def link kconfigConfOptIfGExpEq      kconfigOperator
+hi def link kconfigConfOptIfGExpNEq     kconfigOperator
+hi def link kconfigConfOptIfGExpCSym2   kconfigConstantSymbol
+hi def link kconfigConfOptIfGExpNCSym2  kconfigSymbol
+hi def link kconfigConfOptIfGExpNeg     kconfigOperator
+hi def link kconfigConfOptIfGExpAnd     kconfigOperator
+hi def link kconfigConfOptIfGExpOr      kconfigOperator
+hi def link kconfigConfOptIfExprGrpE    kconfigDelimiter
+hi def link kconfigConfOptExprCSym      kconfigConstantSymbol
+hi def link kconfigConfOptExprNCSym     kconfigSymbol
+hi def link kconfigConfOptExprEq        kconfigOperator
+hi def link kconfigConfOptExprNEq       kconfigOperator
+hi def link kconfigConfOptExprCSym2     kconfigConstantSymbol
+hi def link kconfigConfOptExprNCSym2    kconfigSymbol
+hi def link kconfigConfOptExprNeg       kconfigOperator
+hi def link kconfigConfOptExprAnd       kconfigOperator
+hi def link kconfigConfOptExprOr        kconfigOperator
+hi def link kconfigConfOptExprGroup     kconfigDelimiter
+hi def link kconfigConfOptGExpCSym      kconfigConstantSymbol
+hi def link kconfigConfOptGExpNCSym     kconfigSymbol
+hi def link kconfigConfOptGExpEq        kconfigOperator
+hi def link kconfigConfOptGExpNEq       kconfigOperator
+hi def link kconfigConfOptGExpCSym2     kconfigConstantSymbol
+hi def link kconfigConfOptGExpNCSym2    kconfigSymbol
+hi def link kconfigConfOptGExpNeg       kconfigOperator
+hi def link kconfigConfOptGExpAnd       kconfigOperator
+hi def link kconfigConfOptGExpOr        kconfigOperator
+hi def link kconfigConfOptExprGrpE      kconfigConfOptIfExprGroup
+
+else
+
+syn keyword kconfigTodo               contained TODO FIXME XXX NOTE
+
+syn match   kconfigComment            display '#.*$' contains=kconfigTodo
+
+syn keyword kconfigKeyword            config menuconfig comment menu mainmenu
+
+syn keyword kconfigConditional        choice endchoice if endif
+
+syn keyword kconfigPreProc            source
+                                      \ nextgroup=kconfigPath
+                                      \ skipwhite
+
+syn match   kconfigSpecialChar        contained '\\.'
+
+syn region  kconfigPath               matchgroup=kconfigPath
+                                      \ start=+"+ skip=+\\\\\|\\\"+ end=+"+
+                                      \ contains=kconfigSpecialChar
+
+syn region  kconfigPath               matchgroup=kconfigPath
+                                      \ start=+'+ skip=+\\\\\|\\\'+ end=+'+
+                                      \ contains=kconfigSpecialChar
+
+syn match   kconfigPath               '\S\+'
+                                      \ contained
+
+syn region  kconfigString             matchgroup=kconfigString
+                                      \ start=+"+ skip=+\\\\\|\\\"+ end=+"+
+                                      \ contains=kconfigSpecialChar
+
+syn region  kconfigString             matchgroup=kconfigString
+                                      \ start=+'+ skip=+\\\\\|\\\'+ end=+'+
+                                      \ contains=kconfigSpecialChar
+
+syn keyword kconfigType               bool boolean tristate string hex int
+
+syn keyword kconfigOption             prompt default requires select range
+                                      \ optional
+syn match   kconfigOption             'depends\%( on\)'
+
+syn keyword kconfigMacro              def_bool def_tristate
+
+syn region  kconfigHelpText           contained
+      \ matchgroup=kconfigConfigOption
+      \ start='\%(help\|---help---\)\s*\n\ze\z(\s\+\)'
+      \ skip='^$'
+      \ end='^\z1\@!'
+
+hi def link kconfigTodo         Todo
+hi def link kconfigComment      Comment
+hi def link kconfigKeyword      Keyword
+hi def link kconfigConditional  Conditional
+hi def link kconfigPreProc      PreProc
+hi def link kconfigSpecialChar  SpecialChar
+hi def link kconfigPath         String
+hi def link kconfigString       String
+hi def link kconfigType         Type
+hi def link kconfigOption       Identifier
+hi def link kconfigHelpText     Normal
+hi def link kconfigmacro        Macro
+
+endif
+
+let b:current_syntax = "kconfig"
+
+let &cpo = s:cpo_save
+unlet s:cpo_save