When I hit <C-]> or type :tag {indent}, vim does not jump to the first tag that matches the keyword under the cursor. Instead, it prompts me to select from multiple matches for the word.

Vim mistakes <C-]> for g<C-]> and :tag {indent} for tjump {indent}.


  1. When I launch vim without sourcing my .vimrc file, <C-]> or :tag {indent} is ok, whether all initializations are skipped with the argument -u NONE, or just the plugins are sourced with the argument -u NORC.

  2. When I launch vim sourcing my .vimrc file, <C-]> or :tag {indent} goes wrong, whether I skip loading plugins with the argument --noplugin or not.

  • 3
    Maybe a file has remapped your <C-]> key. To find out which one, type: :verbose nmap <C-]>
    – saginaw
    Dec 16, 2015 at 13:16
  • @saginaw vim echo No mapping found
    – Feng Yu
    Dec 16, 2015 at 13:33
  • @saginaw Note that :tag {keyword} went wrong too. If I have remapped my <C-]> key, :tag {keyword} should work right at least.
    – Feng Yu
    Dec 16, 2015 at 13:55
  • 2
    @FengYu Yes you're right. Maybe there's a problem with the tags file and how it was created. You say it works when you start vim like this vim -u NONE but not when you start vim with an empty vimrc file and .vim/ folder. I may be wrong, but it seems to suggest a file is messing with the behavior of your mappings / commands. If you start vim like this : vim -u NORC, all initializations from files and environment variables are skipped except plugins. Is the issue still there when you start vim like this ?
    – saginaw
    Dec 16, 2015 at 14:06
  • @FengYu Just a suggestion, type vim --startuptime log1, quit then type vim -u NORC --startuptime log2, quit then type vim -u NONE --startuptime log3, quit then type vim -d log1 log2 log3. Maybe it will help you find a file which is messing with your commands.
    – saginaw
    Dec 16, 2015 at 14:16

1 Answer 1


To see all the files that Vim sourced during launch, I typed :scriptnames.

I found that:

  1. When launching vim with the command $vim --noplugin or $vim, there is a /etc/vimrc file which is sourced;
  2. When launching vim with $vim -u NONE or $vim -u NORC, this /etc/vimrc file is gone.

There are other differences in the list of sourced files, but only /etc/vimrc caught my eye because vimrc is included in this path.

Then I experimented with /etc/vimrc and I found that one statement in it was modifying the behavior <C-]> and :tag {indent}:

set cscopetag

When I comment out this line, the problem no longer exists.

From the vim help (:help cscopetag):

If 'cscopetag' is set, the commands ":tag" and CTRL-] as well as "vim -t" will always use :cstag instead of the default :tag behavior.

:help :cstag:

If you use cscope as well as ctags, |:cstag| allows you to search one or the other before making a jump. For example, you can choose to first search your cscope database(s) for a match, and if one is not found, then your tags file(s) will be searched. The order in which this happens is determined by the value of |csto|. See |cscope-options| for more details.

|:cstag| performs the equivalent of ":cs find g" on the identifier when searching through the cscope database(s).

|:cstag| performs the equivalent of |:tjump| on the identifier when searching through your tags file(s).

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