Remove attrs limitation on style tag (#53)

* Remove attrs limitation on style tag Closes #52 Style tags can actually have any amount of extra tags, so adding the scoped tags is just too limiting. * Improve attribute patterns

Author: posva

syntax/vue.vim

@@ -59,30 +59,30 @@ endif
 
 syntax include @CSS syntax/css.vim
 unlet! b:current_syntax
-syntax region css keepend start=/<style\( \+scoped\)\?>/ end="</style>" contains=@CSS fold
+syntax region css keepend start=/<style\_[^>]*>/ end="</style>" contains=@CSS fold
 
 if s:syntaxes.stylus
  syntax include @stylus syntax/stylus.vim
  unlet! b:current_syntax
- syntax region stylus keepend start=/<style lang=\("\|'\)[^\1]*stylus[^\1]*\1\( \+scoped\)\?>/ end="</style>" contains=@stylus fold
+ syntax region stylus keepend start=/<style \_[^>]*lang=\("\|'\)[^\1]*stylus[^\1]*\1\_[^>]*>/ end="</style>" contains=@stylus fold
 endif
 
 if s:syntaxes.sass
  syntax include @sass syntax/sass.vim
  unlet! b:current_syntax
- syntax region sass keepend start=/<style\( \+scoped\)\? lang=\("\|'\)[^\1]*sass[^\1]*\1\( \+scoped\)\?>/ end="</style>" contains=@sass fold
+ syntax region sass keepend start=/<style \_[^>]*lang=\("\|'\)[^\1]*sass[^\1]*\1\_[^>]*>/ end="</style>" contains=@sass fold
 endif
 
 if s:syntaxes.scss
  syntax include @scss syntax/scss.vim
  unlet! b:current_syntax
- syntax region scss keepend start=/<style\( \+scoped\)\? lang=\("\|'\)[^\1]*scss[^\1]*\1\( \+scoped\)\?>/ end="</style>" contains=@scss fold
+ syntax region scss keepend start=/<style \_[^>]*lang=\("\|'\)[^\1]*scss[^\1]*\1\_[^>]*>/ end="</style>" contains=@scss fold
 endif
 
 if s:syntaxes.less
  syntax include @less syntax/less.vim
  unlet! b:current_syntax
- syntax region less keepend matchgroup=PreProc start=/<style\%( \+scoped\)\? lang=\("\|'\)[^\1]*less[^\1]*\1\%( \+scoped\)\?>/ end="</style>" contains=@less fold
+ syntax region less keepend matchgroup=PreProc start=/<style \_[^>]*lang=\("\|'\)[^\1]*less[^\1]*\1\_[^>]*>/ end="</style>" contains=@less fold
 endif
 
 let b:current_syntax = "vue"