Subject: Re: bug#63271: 29.0.90; broken mouse-face

From: Eli Zaretskii <[email-masked]>
Date: Fri, 05 May 2023 21:31:33 +0300

> From: Juri Linkov <[email-masked]>
> Cc: [email-masked]
> Date: Fri, 05 May 2023 20:38:21 +0300
> 
> >> 1. M-x global-tab-line-mode RET
> >> 2. C-h C-n   ;; (view-emacs-news)
> >> 3. C-h C-t   ;; (view-emacs-todo)
> >> 4. C-x b *scratch* RET
> >>
> >> Hover the mouse pointer over the tabs.
> >> Over all tabs mouse-face is 'tab-line-highlight'
> >> that is light grey color.  But over the "TODO" tab
> >> the main text is not highlighted with mouse-face.
> >
> > I cannot reproduce this with the current emacs-29 branch.  All tabs
> > behave the same as far as mouse-highlight is concerned.
> >
> > Maybe this is specific to X or GTK?  (Why don't you post the details
> > of your build and configuration, as collected by report-emacs-bug?)
> 
> Sorry, I didn't expect that details are needed because the bug is 100%
> reproducible on GTK, Lucid and no toolkit.  But here are the details:

Very strange.  Are you sure the recipe above is all that is needed,
starting from "emacs -Q", to reproduce the problem?