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Fix bug in semantic linefeed filling

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Fix bug in semantic linefeed filling related to wide characters and
`sentence-end-without-space'.
* lisp/textmodes/fill.el (fill-region-as-paragraph-semlf): Fix the
calculation of the maximum column.  Do not depend on where
`fill-region-as-paragraph-default' leaves point after being called.
(Bug#79575)
This commit is contained in:
Roi Martin 2025-11-26 00:16:24 +01:00 • committed by Eli Zaretskii
parent ef903e0f5a
commit b208b08371
1 changed files with 11 additions and 7 deletions
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18
lisp/textmodes/fill.el
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@ -1657,7 +1657,7 @@ For more details about semantic linefeeds, see `https://sembr.org/' and
(to (copy-marker (max from to) t))
pfx)
(goto-char from)
(let ((fill-column (point-max)))
(let ((fill-column (* 2 (point-max)))) ; Wide characters span up to two columns.
(setq pfx (or (save-excursion
(fill-region-as-paragraph-default (point)
to
@ -1666,14 +1666,18 @@ For more details about semantic linefeeds, see `https://sembr.org/' and
squeeze-after))
"")))
(while (< (point) to)
(let ((fill-prefix pfx))
(let ((fill-to (copy-marker
(min to
(save-excursion
(forward-sentence)
(point)))
t))
(fill-prefix pfx))
(fill-region-as-paragraph-default (point)
(min to
(save-excursion
(forward-sentence)
(point)))
fill-to
justify
t))
t)
(goto-char fill-to))
(when (and (> (point) (line-beginning-position))
(< (point) (line-end-position))
(< (point) to))