Update runtime files.
diff --git a/runtime/syntax/diff.vim b/runtime/syntax/diff.vim
index 484e2cc..aa5be3f 100644
--- a/runtime/syntax/diff.vim
+++ b/runtime/syntax/diff.vim
@@ -2,7 +2,7 @@
" Language: Diff (context or unified)
" Maintainer: Bram Moolenaar <Bram@vim.org>
" Translations by Jakson Alves de Aquino.
-" Last Change: 2013 Jul 24
+" Last Change: 2013 Oct 06
" Quit when a (custom) syntax file was already loaded
if exists("b:current_syntax")
@@ -336,7 +336,7 @@
"Some versions of diff have lines like "#c#" and "#d#" (where # is a number)
syn match diffLine "^\d\+\(,\d\+\)\=[cda]\d\+\>.*"
-syn match diffFile "^diff.*"
+syn match diffFile "^diff\>.*"
syn match diffFile "^+++ .*"
syn match diffFile "^Index: .*"
syn match diffFile "^==== .*"