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Fix 'whitespace-mode' with 'missing-newline-at-eof'

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* lisp/whitespace.el (whitespace-post-command-hook): Refontify
when point moves if 'missing-newline-at-eof' is in
'whitespace-active-style'.  (Bug#73332)
This commit is contained in:
Eli Zaretskii 2024-09-21 13:41:21 +03:00
parent eced135120
commit 01ebe6de89
1 changed files with 16 additions and 4 deletions
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20
lisp/whitespace.el
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@ -2319,10 +2319,22 @@ Also refontify when necessary."
(font-lock-flush whitespace-eob-marker (1+ (buffer-size)))))
(setq-local whitespace-buffer-changed nil)
(setq whitespace-point (point)) ; current point position
(let ((refontify (and (eolp) ; It is at end of line ...
;; ... with trailing SPACE or TAB
(or (memq (preceding-char) '(?\s ?\t)))
(line-beginning-position)))
(let ((refontify (or (and (eolp) ; It is at end of line ...
;; ... with trailing SPACE or TAB
(or (memq (preceding-char) '(?\s ?\t)))
(line-beginning-position))
(and (memq 'missing-newline-at-eof
;; If user requested to highlight
;; EOB without a newline...
whitespace-active-style)
;; ...and the buffer is not empty...
(not (= (point-min) (point-max)))
(= (point-max) (without-restriction (point-max)))
;; ...and no newline at EOB...
(not (eq (char-before (point-max)) ?\n))
;; ...then refontify the last character in
;; the buffer
(max (1- (point-max)) (point-min)))))
(ostart (overlay-start whitespace-point--used)))
(cond
((not refontify)