[MacPorts] CommitMessages modified

[MacPorts]

Page "CommitMessages" was changed by mkae
Diff URL: <https://trac.macports.org/wiki/CommitMessages?action=diff&version=22>
Revision 22
Comment: COMMIT_EDITMSG ensures that coloring happens only for got commit messages (Thanks, Rainer!)
Changes:
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Index: CommitMessages
=========================================================================
--- CommitMessages (version: 21)
+++ CommitMessages (version: 22)
@@ -101,7 +101,7 @@
 filetype plugin indent on
 hi def link gitcommitOverflow Error
 
-autocmd BufEnter *
+autocmd BufEnter COMMIT_EDITMSG
    \ if &textwidth > 0 |
        \ exec 'match Overlength /\%>' . &textwidth . 'v.\+/' |
    \ endif
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