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Avoid assertion violations in maybe_produce_line_number

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* src/xdisp.c (redisplay_window): Make sure desired_matrix is
cleared before calling try_window.  This is important when
display-line-numbers is non-nil, because line-number display code
assumes each glyph row is completely cleared when it is called to
produce a line number.  (Bug#32358)
This commit is contained in:
Eli Zaretskii 2018-08-02 16:58:44 +03:00
parent 7669bf7880
commit f0b8e64fb7
1 changed files with 1 additions and 0 deletions
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src/xdisp.c
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@ -16897,6 +16897,7 @@ redisplay_window (Lisp_Object window, bool just_this_one_p)
/* We used to issue a CHECK_MARGINS argument to try_window here,
but this causes scrolling to fail when point begins inside
the scroll margin (bug#148) -- cyd */
clear_glyph_matrix (w->desired_matrix);
if (!try_window (window, startp, 0))
{
w->force_start = true;