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-rw-r--r--runtime/ftplugin/muttrc.vim2
1 files changed, 1 insertions, 1 deletions
diff --git a/runtime/ftplugin/muttrc.vim b/runtime/ftplugin/muttrc.vim
index bd01367158..7a4eb7a8bb 100644
--- a/runtime/ftplugin/muttrc.vim
+++ b/runtime/ftplugin/muttrc.vim
@@ -30,7 +30,7 @@ if has('unix') && executable('less')
if exists(':Sman') == 2
setlocal iskeyword+=-
setlocal keywordprg=:Sman
- let b:undo_ftplugin .= '| setlocal keywordprg< iskeyword<'
+ let b:undo_ftplugin .= '| setlocal keywordprg< iskeyword< | sil! delc -buffer Sman'
endif
endif