Update runtime files.
diff --git a/runtime/syntax/help.vim b/runtime/syntax/help.vim
index e600de7..d0f447f 100644
--- a/runtime/syntax/help.vim
+++ b/runtime/syntax/help.vim
@@ -1,14 +1,14 @@
" Vim syntax file
" Language: Vim help file
" Maintainer: Bram Moolenaar (Bram@vim.org)
-" Last Change: 2006 May 13
+" Last Change: 2009 May 18
" Quit when a (custom) syntax file was already loaded
if exists("b:current_syntax")
finish
endif
-syn match helpHeadline "^[-A-Z .]\+[ \t]\+\*"me=e-1
+syn match helpHeadline "^[-A-Z .][-A-Z0-9 .()]*[ \t]\+\*"me=e-1
syn match helpSectionDelim "^=\{3,}.*===$"
syn match helpSectionDelim "^-\{3,}.*--$"
syn region helpExample matchgroup=helpIgnore start=" >$" start="^>$" end="^[^ \t]"me=e-1 end="^<"