Re: Emacs's set-frame-size can not work well with gnome-shell?

[martin rudalics]

>> Apparently, child frames are in wider use only since last year.
>
> OK, but that is only a convincing argument if the current emacs-27
> behavior of child frames is horribly broken.  Is it? if so, can you
> describe some examples of the breakage?

Resizing a child frame on mutter is impossible.  I think that's horrible
enough for the packages that want to do that.

> The changes in mouse.el are the most troublesome from my POV, as long
> as we are talking about the release branch.  They affect
> mouse-resize-frame and mouse-drag-frame, two very important functions
> used for all kinds of frames.  How can we be reasonably sure nothing
> was broken in those two functions by these changes for frames that are
> not child frames?  AFAICT, the above description doesn't attempt to
> address this concern, which for me is the main one.  Can you help me
> become less worried about that?

Yes.  I can apply these changes to master only because the only person
who ever noticed that something is wrong there was me.

martin