Merge pull request pangloss#237 from pangloss/tagged-template-fix

Fixes tagged templates on multi lines

Author: amadeus

syntax/javascript.vim

@@ -91,7 +91,7 @@ syntax match   jsTemplateVar      "\${.\{-}}" contained
 syntax region  jsStringD          start=+"+  skip=+\\\("\|$\)+  end=+"\|$+  contains=jsSpecial,@htmlPreproc,@Spell
 syntax region  jsStringS          start=+'+  skip=+\\\('\|$\)+  end=+'\|$+  contains=jsSpecial,@htmlPreproc,@Spell
 syntax region  jsTemplateString   start=+`+  skip=+\\\(`\|$\)+  end=+`+     contains=jsTemplateVar,jsSpecial,@htmlPreproc
-syntax region  jsTaggedTemplate   start=/\k\+\(\n\|\s\)\?`/     end=+`\|$+  contains=jsTemplateString
+syntax region  jsTaggedTemplate   start=/\k\+\(\(\n\|\s\)\+\)\?`/ end=+`\|$+ contains=jsTemplateString
 syntax region  jsRegexpCharClass  start=+\[+ skip=+\\.+ end=+\]+ contained
 syntax match   jsRegexpBoundary   "\v%(\<@![\^$]|\\[bB])" contained
 syntax match   jsRegexpBackRef    "\v\\[1-9][0-9]*" contained