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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: Tue, 18 Feb 2020 21:50:27 +0200

> From: Robert Pluim <address@hidden>
> Date: Tue, 18 Feb 2020 20:32:37 +0100
> Cc: address@hidden, Dmitry Gutov <address@hidden>
> 
> I took another look, signaling is not necessary, we can just make
> define-fringe-bitmap set the width to 1 or some other reasonable value
> if zero is passed in.

The documentation says that WIDTH must be between 1 and 16, so I think
signaling an error is OK.

Btw, the code enforces wider limitations, so it is also OK to fix the
limits, so as to make them consistent with documentation.





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