updated for version 7.0146
diff --git a/runtime/ftplugin/html.vim b/runtime/ftplugin/html.vim
index 80b04cd..4f7e97d 100644
--- a/runtime/ftplugin/html.vim
+++ b/runtime/ftplugin/html.vim
@@ -14,6 +14,8 @@
 
 setlocal commentstring=<!--%s-->
 
+setlocal omnifunc=htmlcomplete#CompleteTags
+
 " HTML:  thanks to Johannes Zellner and Benji Fisher.
 if exists("loaded_matchit")
     let b:match_ignorecase = 1