Manuel Ortega wrote:

> If you try to run a nonexistent user command while there is an
> installed CmdUndefined autocmd, Vim will show the wrong error message.
> It shows E464 instead of E492.  Here is a minimal example.
> 
> $ vim -u NONE -N
> 
> Now do:
> 
>   au CmdUndefined Snowflake echo "FOO"
> 
> Now do:
> 
>   :Hanky
> 
> What I expect to see is "E492: Not an editor command: Hanky".  This
> is, of course, what would be shown had I not made a CmdUndefined
> autocmd.
> 
> What I actually see is: "E464: Ambiguous use of user-defined command",
> which seems wrong.  "Hanky" is not ambiguous between multiple
> user-defined commands, as there are no user-defined commands.  "Hanky"
> is also not a substring of "Snowflake", either, nor did I hit <TAB>,
> so I don't see why there would be any autocompletion issues to worry
> about.

Yes, that is wrong.  I also don't see a test for CmdUndefined.

-- 
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