diff -r b792349dc858 runtime/syntax/doxygen.vim
--- a/runtime/syntax/doxygen.vim	Thu May 30 22:44:02 2013 +0200
+++ b/runtime/syntax/doxygen.vim	Fri May 31 13:47:36 2013 +0200
@@ -179,7 +179,7 @@
 
   " Match parameters and retvals (highlighting the first word as special).
   syn match doxygenParamDirection contained "\v\[(\s*in>((]\s*\[|\s*,\s*)out>)=|out>((]\s*\[|\s*,\s*)in>)=)\]" nextgroup=doxygenParamName skipwhite
-  syn keyword doxygenParam contained param nextgroup=doxygenParamName,doxygenParamDirection skipwhite
+  syn keyword doxygenParam contained param tparam nextgroup=doxygenParamName,doxygenParamDirection skipwhite
   syn match doxygenParamName contained +[A-Za-z0-9_:]\++ nextgroup=doxygenSpecialMultilineDesc skipwhite
   syn keyword doxygenRetval contained retval throw exception nextgroup=doxygenParamName skipwhite