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Use unlet! instead of unlet

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A bang after unlet suppresses the error if there is no such variable,
which removes the need for checking if the variable exists.
This commit is contained in:
Adriaan Zonnenberg
2017-02-19 22:10:05 +01:00
parent f6694b40a7
commit 0d5a392a11
1 changed files with 10 additions and 30 deletions
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40
syntax/vue.vim
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@@ -30,78 +30,58 @@ endif
syntax include @HTML syntax/html.vim
if exists("b:current_syntax")
unlet b:current_syntax
endif
unlet! b:current_syntax
syntax region html keepend start=/^<template>/ end=/^<\/template>/ contains=@HTML fold
if s:syntaxes.pug
syntax include @PUG syntax/pug.vim
if exists("b:current_syntax")
unlet b:current_syntax
endif
unlet! b:current_syntax
syntax region pug keepend start=/<template lang=\("\|'\)[^\1]*pug[^\1]*\1>/ end="</template>" contains=@PUG fold
syntax region pug keepend start=/<template lang=\("\|'\)[^\1]*jade[^\1]*\1>/ end="</template>" contains=@PUG fold
endif
if s:syntaxes.slm
syntax include @SLM syntax/slm.vim
if exists("b:current_syntax")
unlet b:current_syntax
endif
unlet! b:current_syntax
syntax region slm keepend start=/<template lang=\("\|'\)[^\1]*slm[^\1]*\1>/ end="</template>" contains=@SLM fold
endif
syntax include @JS syntax/javascript.vim
if exists("b:current_syntax")
unlet b:current_syntax
endif
unlet! b:current_syntax
syntax region javascript keepend matchgroup=Delimiter start=/<script\( lang="babel"\)\?\( type="text\/babel"\)\?>/ end="</script>" contains=@JS fold
if s:syntaxes.coffee
syntax include @COFFEE syntax/coffee.vim
if exists("b:current_syntax")
unlet b:current_syntax
endif
unlet! b:current_syntax
" Matchgroup seems to be necessary for coffee
syntax region coffee keepend matchgroup=Delimiter start="<script lang=\"coffee\">" end="</script>" contains=@COFFEE fold
endif
syntax include @CSS syntax/css.vim
if exists("b:current_syntax")
unlet b:current_syntax
endif
unlet! b:current_syntax
syntax region css keepend start=/<style\( \+scoped\)\?>/ end="</style>" contains=@CSS fold
if s:syntaxes.stylus
syntax include @stylus syntax/stylus.vim
if exists("b:current_syntax")
unlet b:current_syntax
endif
unlet! b:current_syntax
syntax region stylus keepend start=/<style lang=\("\|'\)[^\1]*stylus[^\1]*\1\( \+scoped\)\?>/ end="</style>" contains=@stylus fold
endif
if s:syntaxes.sass
syntax include @sass syntax/sass.vim
if exists("b:current_syntax")
unlet b:current_syntax
endif
unlet! b:current_syntax
syntax region sass keepend start=/<style\( \+scoped\)\? lang=\("\|'\)[^\1]*sass[^\1]*\1\( \+scoped\)\?>/ end="</style>" contains=@sass fold
endif
if s:syntaxes.scss
syntax include @scss syntax/scss.vim
if exists("b:current_syntax")
unlet b:current_syntax
endif
unlet! b:current_syntax
syntax region scss keepend start=/<style\( \+scoped\)\? lang=\("\|'\)[^\1]*scss[^\1]*\1\( \+scoped\)\?>/ end="</style>" contains=@scss fold
endif
if s:syntaxes.less
syntax include @less syntax/less.vim
if exists("b:current_syntax")
unlet b:current_syntax
endif
unlet! b:current_syntax
syntax region less keepend matchgroup=PreProc start=/<style\%( \+scoped\)\? lang=\("\|'\)[^\1]*less[^\1]*\1\%( \+scoped\)\?>/ end="</style>" contains=@less fold
endif