contrib: fix vim syntax file for index-color commands

color higlighting of muttrc file in vim was not correct
for entries like:

color index_subject color... color...  "!~D ~sSPAM"

This was problem for all colors specified like `color index_...`
from patch-index-color-neomutt

Closes #289

diff --git a/doc/vimrc.index-color b/doc/vimrc.index-color
index 63178ade7619d0e9ac703f7b4c700b4f6fc23ff6..48c97beafa7dd182395b29909462025aeee26b92 100644 (file)
--- a/doc/vimrc.index-color
+++ b/doc/vimrc.index-color
@@ -9,4 +9,4 @@ syntax keyword muttrcColorField contained index_label
 syntax keyword muttrcColorField contained index_number
 syntax keyword muttrcColorField contained index_size
 syntax keyword muttrcColorField contained index_subject
-
+syn region muttrcColorLine keepend start=/^\s*color\s\+index_\%(author\|collapsed\|date\|flags\|label\|number\|size\|subject\)/ skip=+\\$+ end=+$+ contains=muttrcColorKeyword,muttrcComment,muttrcUnHighlightSpace