Updated runtime files.
diff --git a/runtime/syntax/xdefaults.vim b/runtime/syntax/xdefaults.vim
index d7f1172..5e38952 100644
--- a/runtime/syntax/xdefaults.vim
+++ b/runtime/syntax/xdefaults.vim
@@ -33,7 +33,7 @@
" syn region xdefaultsLabel start=+^[^:]\{-}:+he=e-1 skip=+\\+ end="$"
-syn match xdefaultsLabel +[^:]\{-}:+he=e-1 contains=xdefaultsPunct,xdefaultsSpecial,xdefaultsLineEnd
+syn match xdefaultsLabel +^[^:]\{-}:+he=e-1 contains=xdefaultsPunct,xdefaultsSpecial,xdefaultsLineEnd
syn region xdefaultsValue keepend start=+:+lc=1 skip=+\\+ end=+$+ contains=xdefaultsSpecial,xdefaultsLabel,xdefaultsLineEnd
syn match xdefaultsSpecial contained +#override+
@@ -75,9 +75,9 @@
syn region xdefaultsIncluded contained start=+"+ skip=+\\\\\|\\"+ end=+"+
syn match xdefaultsIncluded contained "<[^>]*>"
syn match xdefaultsInclude "^\s*#\s*include\>\s*["<]" contains=xdefaultsIncluded
-syn cluster xdefaultsPreProcGroup contains=xdefaultsPreProc,xdefaultsIncluded,xdefaultsInclude,xdefaultsDefine
-syn region xdefaultsDefine start="^\s*#\s*\(define\|undef\)\>" skip="\\$" end="$" contains=ALLBUT,@xdefaultsPreProcGroup,xdefaultsCommentH,xdefaultsErrorLine
-syn region xdefaultsPreProc start="^\s*#\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend contains=ALLBUT,@xdefaultsPreProcGroup,xdefaultsCommentH,xdefaultsErrorLine
+syn cluster xdefaultsPreProcGroup contains=xdefaultsPreProc,xdefaultsIncluded,xdefaultsInclude,xdefaultsDefine,xdefaultsCppOut,xdefaultsCppOut2,xdefaultsCppSkip
+syn region xdefaultsDefine start="^\s*#\s*\(define\|undef\)\>" skip="\\$" end="$" contains=ALLBUT,@xdefaultsPreProcGroup,xdefaultsCommentH,xdefaultsErrorLine,xdefaultsLabel,xdefaultsValue
+syn region xdefaultsPreProc start="^\s*#\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend contains=ALLBUT,@xdefaultsPreProcGroup,xdefaultsCommentH,xdefaultsErrorLine,xdefaultsLabel,xdefaultsValue