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Avoid infinite recursion with 'relative' line numbers display

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* src/xdisp.c (display_count_lines_visually): Bind
'display-line-numbers' to 'relative' around 'start_display' as
well, since that can invoke 'move_it_to' internally, thus
causing infinite recursion.  (Bug#43589)
This commit is contained in:
Eli Zaretskii 2020-09-25 11:55:51 +03:00
parent 395f10cb98
commit cc8fef2bdd
1 changed files with 3 additions and 2 deletions
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5
src/xdisp.c
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@ -22682,10 +22682,11 @@ display_count_lines_visually (struct it *it)
SET_TEXT_POS (from, PT, PT_BYTE);
to = IT_CHARPOS (*it);
}
start_display (&tem_it, it->w, from);
/* Need to disable visual mode temporarily, since otherwise the
call to move_it_to will cause infinite recursion. */
call to move_it_to below and inside start_display will cause
infinite recursion. */
specbind (Qdisplay_line_numbers, Qrelative);
start_display (&tem_it, it->w, from);
/* Some redisplay optimizations could invoke us very far from
PT, which will make the caller painfully slow. There should
be no need to go too far beyond the window's bottom, as any