Re: Tabs

[Juri Linkov]

>> One more thing: with the posted setup, although I don't see any tab bar,
>> whenever I switch to a different workspace and back, and also under some
>> under conditions I don't fully understand, Emacs gets stuck, it
>> apparently infloops in redisplay.
>
> When this happens, please attach a debugger and use the technique
> described in etc/DEBUG to find out where it loops.

I can reproduce the redisplay issue, I never seen this before,
maybe some recent change broke redisplaying.

I tried to debug and in redisplay_internal, the value of
garbaged_frame_retries has a very large number - about thousands
order of magnitude.  It never resets the 'garbaged' flag set in the
selected frame.  And I have no idea how to force the 'garbaged' flag
to be reset.  It infloops in these lines:

                  /* On some platforms (at least MS-Windows), the
                     scroll_run_hook called from scrolling_window
                     called from update_frame could set the frame's
                     garbaged flag, in which case we need to
                     redisplay the frame.  */
                  if (FRAME_GARBAGED_P (f))
                    goto retry_frame;