Update runtime files.
diff --git a/runtime/syntax/group.vim b/runtime/syntax/group.vim
index ae5bfd8..ab2d56d 100644
--- a/runtime/syntax/group.vim
+++ b/runtime/syntax/group.vim
@@ -1,7 +1,7 @@
" Vim syntax file
" Language: group(5) user group file
" Maintainer: Nikolai Weibull <now@bitwi.se>
-" Latest Revision: 2006-04-19
+" Latest Revision: 2012-08-05
if exists("b:current_syntax")
finish
@@ -12,7 +12,7 @@
syn match groupBegin display '^' nextgroup=groupName
-syn match groupName contained display '[a-z_][a-z0-9_-]\{0,15}'
+syn match groupName contained display '[^:]\+'
\ nextgroup=groupPasswordColon
syn match groupPasswordColon contained display ':'
@@ -30,7 +30,7 @@
syn match groupUserListColon contained display ':' nextgroup=groupUserList
-syn match groupUserList contained '[a-z_][a-z0-9_-]*'
+syn match groupUserList contained '[^,]\+'
\ nextgroup=groupUserListSep
syn match groupUserListSep contained display ',' nextgroup=groupUserList