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Fix line number display after 'widen'

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* src/xdisp.c (maybe_produce_line_number): Don't use data cached
by line-number-mode on the first redisplay after the buffer is
widened.  (Bug#28879)
This commit is contained in:
Eli Zaretskii 2017-10-18 19:16:16 +03:00
parent dc8812829b
commit 2551d28fe8
1 changed files with 4 additions and 2 deletions
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6
src/xdisp.c
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@ -20889,9 +20889,11 @@ maybe_produce_line_number (struct it *it)
&& it->w->base_line_pos <= IT_CHARPOS (*it) && it->w->base_line_pos <= IT_CHARPOS (*it)
/* line-number-mode always displays narrowed line /* line-number-mode always displays narrowed line
numbers, so we cannot use its data if the user wants numbers, so we cannot use its data if the user wants
line numbers that disregard narrowing. */ line numbers that disregard narrowing, or if the
buffer's narrowing has just changed. */
&& !(display_line_numbers_widen && !(display_line_numbers_widen
&& (BEG_BYTE != BEGV_BYTE || Z_BYTE != ZV_BYTE))) && (BEG_BYTE != BEGV_BYTE || Z_BYTE != ZV_BYTE))
&& !current_buffer->clip_changed)
{ {
start_from = CHAR_TO_BYTE (it->w->base_line_pos); start_from = CHAR_TO_BYTE (it->w->base_line_pos);
last_line = it->w->base_line_number - 1; last_line = it->w->base_line_number - 1;