Don't let <T> interfere with Flow generics

Author: jez

after/syntax/jsx.vim

@@ -47,7 +47,7 @@ syn region jsxChild contained start=+{+ end=++ contains=jsBlock,javascriptBlock
 " and generic Flow type annotations (http://flowtype.org/).
 syn region jsxRegion
   \ contains=@Spell,@XMLSyntax,jsxRegion,jsxChild,jsBlock,javascriptBlock
-  \ start=+\%(<\|\w\)\@<!<\z([a-zA-Z][a-zA-Z0-9:\-.]*\>:\@!\)+
+  \ start=+\%(<\|\w\)\@<!<\z([a-zA-Z][a-zA-Z0-9:\-.]*\>[:,]\@!\)\([^>]*>(\)\@!+
   \ skip=+<!--\_.\{-}-->+
   \ end=+</\z1\_\s\{-}>+
   \ end=+/>+