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Run c-unmark-<>-around-region in after-change-functions always.

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This fixes bug#70435.

* lisp/progmodes/cc-engine.el (c-unmark-<>-around-region): Run
its contents in after-change-functions for a deletion, so that
c-new-BEG and c-new-END get set.  Add a new test (> end beg)
in a check for unterminated string handling.
This commit is contained in:
Alan Mackenzie 2024-05-05 11:34:14 +00:00
parent 8098ad9679
commit 71491fe6f4
1 changed files with 3 additions and 2 deletions
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5
lisp/progmodes/cc-engine.el
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@ -7146,7 +7146,7 @@ comment at the start of cc-engine.el for more info."
;; FIXME!!! This routine ignores the possibility of macros entirely.
;; 2010-01-29.
(when (> end beg)
(when (or old-len (> end beg))
;; Extend the region (BEG END) to deal with any complicating literals.
(let* ((lit-search-beg (if (memq (char-before beg) '(?/ ?*))
(1- beg) beg))
@ -7220,7 +7220,8 @@ comment at the start of cc-engine.el for more info."
(c-put-char-properties beg end 'syntax-table '(1))
;; If an open string's opener has just been neutralized,
;; do the same to the terminating LF.
(when (and end-literal-end
(when (and (> end beg)
end-literal-end
(eq (char-before end-literal-end) ?\n)
(equal (c-get-char-property
(1- end-literal-end) 'syntax-table)