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bug#39662: 28.0.50; Emacs crashes in x_cr_define_fringe_bitmap if (fring


From: Eli Zaretskii
Subject: bug#39662: 28.0.50; Emacs crashes in x_cr_define_fringe_bitmap if (fringe-mode 0)
Date: Wed, 19 Feb 2020 05:27:07 +0200

> Cc: address@hidden, address@hidden
> From: Dmitry Gutov <address@hidden>
> Date: Tue, 18 Feb 2020 22:29:02 +0200
> 
> On 18.02.2020 22:12, Eli Zaretskii wrote:
> >> But itʼs friendlier to existing code to change 0 to 1, no?
> > Yes.
> 
> Speaking of diff-hl, signaling an error would probably be more 
> constructive since if the call succeeds, the user might turn on 
> fringe-mode and find that all bitmaps defined by diff-hl are 1-pixel 
> wide for no apparent reason.

I thought in the scenario we are discussing there will be no bitmaps
shown at all, since the scenario disables the fringes.  Isn't that so?





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