Re: Emacs 30: Completion Preview Feedback

[Eli Zaretskii <eliz@gnu.org>]

> From: Christopher Howard <christopher@librehacker.com>
> Date: Fri, 13 Sep 2024 13:37:11 -0800
> 
> Hi, this is just a little unsolicited user feedback on the Completion Preview feature — not meant to be demanding or anything like that.
> 
> I think CP is a cool feature, but in the default settings, CP will give a preview even if I have already typed out something that matches, and I find that unnecessarily and frequently distracting. For example, if I type "(mapc", it will give a preview for "(mapcan".
> 
> Ideally what I'd like is if the current word already matches something, then there is no preview given.

So if you want to type mapcan, you want to see a preview when you type
map, have the preview disappear when you type c, then re-appear again
when you type a?  Won't that flickering be annoying?

> I could I suppose also use an Idle Delay, but personally I hate introducing extra pauses like that into my workflow.

If the delay is short enough, it shouldn't cause any perceptible
pause, I think.