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Fix infloop in redisplay due to truncated lines and invisible text

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* src/xdisp.c (forward_to_next_line_start): Don't call
'get_next_display_element' after finding the end of line.  This
avoids setting the row's end position to the wrong value when the
next screen line begins with invisible text; that wrong value
caused set_cursor_from_row position the cursor in the wrong screen
line, and eventually triggered bug#24109.
This commit is contained in:
Eli Zaretskii 2016-10-08 10:52:52 +03:00
parent a6e0a67701
commit 3566644a33
1 changed files with 3 additions and 2 deletions
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5
src/xdisp.c
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@ -6298,9 +6298,10 @@ forward_to_next_line_start (struct it *it, bool *skipped_p,
}
else
{
while (get_next_display_element (it)
&& !newline_found_p)
while (!newline_found_p)
{
if (!get_next_display_element (it))
break;
newline_found_p = ITERATOR_AT_END_OF_LINE_P (it);
if (newline_found_p && it->bidi_p && bidi_it_prev)
*bidi_it_prev = it->bidi_it;