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Support $()? in macro_rules #498

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Support $()? in macro_rules #498

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2 changes: 1 addition & 1 deletion syntax/rust.vim
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Expand Up @@ -67,7 +67,7 @@ syn keyword rustObsoleteExternMod mod contained nextgroup=rustIdentifier skipw
syn match rustIdentifier contains=rustIdentifierPrime "\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*" display contained
syn match rustFuncName "\%(r#\)\=\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*" display contained

syn region rustMacroRepeat matchgroup=rustMacroRepeatDelimiters start="$(" end="),\=[*+]" contains=TOP
syn region rustMacroRepeat matchgroup=rustMacroRepeatDelimiters start="$(" end="),\=[*+?]" contains=TOP
syn match rustMacroVariable "$\w\+"
syn match rustRawIdent "\<r#\h\w*" contains=NONE

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