Merge pull request #369 from frankier/add-lualatex-highlighting

Add lualatex highlighting

after/syntax/tex.vim

@@ -112,6 +112,24 @@ syntax region texZone
       \ contains=texBeginEnd,@DOT
 let b:current_syntax = 'tex'
 
+" }}}1
+" {{{1 Nested syntax highlighting for lualatex
+unlet b:current_syntax
+syntax include @LUA syntax/lua.vim
+syntax region texZone
+    \ start='\\begin{luacode\*\?}'rs=s
+    \ end='\\end{luacode\*\?}'re=e
+    \ keepend
+    \ transparent
+    \ contains=texBeginEnd,@LUA
+syntax region texZone
+    \ start='\\\(directlua\|luadirect\){'rs=s
+    \ end='}'re=e
+    \ keepend
+    \ transparent
+    \ contains=texBeginEnd,@LUA
+let b:current_syntax = 'tex'
+
 " }}}1
 " {{{1 Nested syntax highlighting for minted