javascript.vim

syntax include @javaScriptE4X syntax/xml.vim

syntax region javaScriptE4XEmbedded matchgroup=javaScriptBraces start='{' end='}' contains=TOP,javaScriptE4X contained

syntax cluster xmlStartTagHook  add=javaScriptE4XEmbedded
syntax cluster xmlRegionHook    add=javaScriptE4XEmbedded
syntax cluster xmlTagHook       add=javaScriptE4XEmbedded

syn region   javaScriptE4X
	\ start=@<\z(>\|\w[^ /!?<>"']*\)@
	\ skip=+<!--\_.\{-}-->+
	\ end=+</\z1\_s\{-}>+
	\ contains=xmlTag,xmlEndTag,xmlCdata,xmlComment,xmlEntity,xmlProcessing,@xmlRegionHook,@Spell
	\ keepend
	\ extend containedin=ALL,javaScriptComment,javaScriptStringD,javaScriptStringS,javaScriptRegexpString,javaScriptE4X

unlet! b:current_syntax