Commit 4b988f8b authored by Eli Zaretskii's avatar Eli Zaretskii
Browse files

Only commentary changes, no functionality changed.

 src/xdisp.c (next_element_from_buffer): Improve commentary for when
 the iterator is before prev_stop.
parent 9f4ef500
2011-06-11 Eli Zaretskii <eliz@gnu.org>
* xdisp.c (next_element_from_buffer): Improve commentary for when
the iterator is before prev_stop.
2011-06-10 Eli Zaretskii <eliz@gnu.org>
* xdisp.c (Fcurrent_bidi_paragraph_direction): Initialize
......
......@@ -6822,13 +6822,20 @@ next_element_from_buffer (struct it *it)
}
}
else if (it->bidi_p
/* If we are before prev_stop, we may have overstepped on
our way backwards a stop_pos, and if so, we need to
handle that stop_pos. */
&& IT_CHARPOS (*it) < it->prev_stop
/* We can sometimes back up for reasons that have nothing
to do with bidi reordering. E.g., compositions. The
code below is only needed when we are above the base
embedding level, so test for that explicitly. */
&& !BIDI_AT_BASE_LEVEL (it->bidi_it)
&& IT_CHARPOS (*it) < it->prev_stop)
&& !BIDI_AT_BASE_LEVEL (it->bidi_it))
{
/* If we lost track of base_level_stop, we have no better place
for handle_stop_backwards to start from than BEGV. This
happens, e.g., when we were reseated to the previous
screenful of text by vertical-motion. */
if (it->base_level_stop <= 0
|| IT_CHARPOS (*it) < it->base_level_stop)
it->base_level_stop = BEGV;
......
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