/ syn match protoInt /\<0[xX]\x+\>/ syn match protoFloat /\<-\?\d*\(\.\d*\)\?/ syn region protoComment start="\/\*" end="\*\/" contains=@protoCommentGrp syn region protoComment start="//" skip="\\$" end="$" keepend contains=@protoCommentGrp syn region protoString start=/"/ skip=/\\./ end=/"/ syn region protoString start=/'/ skip=/\\./ end=/'/ hi def link protoTodo Todo hi def link protoSyntax Include hi def link protoStructure Structure hi def link protoRepeat Repeat hi def link protoDefault Keyword hi def link protoExtend Keyword hi def link protoRPC Keyword hi def link protoType Type hi def link protoTypedef Typedef hi def link protoBool Boolean hi def link protoInt Number hi def link protoFloat Float hi def link protoComment Comment hi def link protoString String let b:current_syntax = "proto"