bug#58653: 29.0.50; Long lines in *compilation* buffer

[Eli Zaretskii]

> From: Gerd Möllmann <gerd.moellmann@gmail.com>
> Cc: 58653@debbugs.gnu.org
> Date: Thu, 03 Nov 2022 09:43:39 +0100
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > That "triangle" is likely the "overlay-arrow" as it is displayed on
> > GUI frames.
> 
> Yes, indeed (slapping my head).
> 
> BTW, I've now checked that the missing text is really not in the buffer,
> so it's not a display problem of some sort.

I'm not surprised ;-)

> How strange.

Two possible suspects:

  . "M-x compile", which does something to truncate the long lines
  . the compiler itself: perhaps Emacs tells it the dimensions of the
    window, and the compiler adapts its output accordingly

Have fun.