Dominique Pellé wrote:
> Jean Johner wrote:
>
>> See also vim_use thread with the same title.
>>
>> Using vimrc_example.vim as .vimrc, it appears that typing "CTRL-O u"
>> in insert mode takes 2-3 s to execute.
>>
>> 1) Using an empty .vimrc and launching
>> gvim --noplugin
>> shows the delay.
>
> It's not just with gvim. It also happens with vim-7.2.403 in terminal as well.
>
> I can't fully automate it, but the steps to reproduce are simple:
>
> 1) use an empty ~/.vimrc (but it happens if I keep my ~/.vimrc as well)
>
> $ cp ~/.vimrc ~/,vimrc.backup
> $ rm ~/.vimrc
> $ touch ~/.vimrc
>
> 2) start vim with:
>
> vim --noplugin
>
> 3) Run Ex command:
>
> :call feedkeys("iundo this takes 3 sec. Why?\<c-o>u", "t")
>
> 4) Observe that it takes ~2 or ~ 3 sec to undo the text.
>
> -- Dominique
The 3 sec delay happens because of this line at normal.c:1282:
1282 ui_delay(3000L, FALSE); /* wait up to three seconds */
I suppose that the delay is to give a chance to see the message
"1 change; before #1 2 seconds ago" at the bottom of the window
before replacing it with "-- INSERT --" after the 3 sec delay.
If so, it's not a bug but a feature.
-- Dominique
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