Update runtime files.
diff --git a/runtime/syntax/config.vim b/runtime/syntax/config.vim
index c02799d..20ca19c 100644
--- a/runtime/syntax/config.vim
+++ b/runtime/syntax/config.vim
@@ -1,7 +1,7 @@
" Vim syntax file
" Language: configure.in script: M4 with sh
" Maintainer: Christian Hammesr <ch@lathspell.westend.com>
-" Last Change: 2001 May 09
+" Last Change: 2008 Sep 03
" Well, I actually even do not know much about m4. This explains why there
" is probably very much missing here, yet !
@@ -26,7 +26,7 @@
syn keyword configkeyword if then else fi test for in do done
syn keyword configspecial cat rm eval
syn region configstring start=+"+ skip=+\\"+ end=+"+
-syn region configstring start=+`+ skip=+\\'+ end=+'+
+syn region configstring start=+'+ skip=+\\'+ end=+'+
syn region configstring start=+`+ skip=+\\'+ end=+`+
" Define the default highlighting.