From: Juri Linkov <juri@linkov.net>
To: 32474@debbugs.gnu.org
Subject: bug#32474: 27.0.50; Gnus doesn't highlight refined changes in diff attachments
Date: Mon, 20 Aug 2018 00:20:02 +0300 [thread overview]
Message-ID: <87r2iuavvh.fsf@mail.linkov.net> (raw)
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Since refined changes in diff attachments are highlighted using overlays,
they need special treatment to be copied together with text properties:
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #2: gnus-mm-view.1.patch --]
[-- Type: text/x-diff, Size: 1393 bytes --]
diff --git a/lisp/gnus/mm-view.el b/lisp/gnus/mm-view.el
index 50a927bce2..0b15f6b188 100644
--- a/lisp/gnus/mm-view.el
+++ b/lisp/gnus/mm-view.el
@@ -452,7 +452,7 @@ mm-display-inline-fontify
"Insert HANDLE inline fontifying with MODE.
If MODE is not set, try to find mode automatically."
(let ((charset (mail-content-type-get (mm-handle-type handle) 'charset))
- text coding-system)
+ text coding-system ovs)
(unless (eq charset 'gnus-decoded)
(mm-with-unibyte-buffer
(mm-insert-part handle)
@@ -498,10 +498,18 @@ mm-display-inline-fontify
(eq major-mode 'fundamental-mode))
(font-lock-ensure))))
(setq text (buffer-string))
+ (when (eq mode 'diff-mode)
+ (setq ovs (mapcar (lambda (ov) (list ov (overlay-start ov)
+ (overlay-end ov)))
+ (overlays-in (point-min) (point-max)))))
;; Set buffer unmodified to avoid confirmation when killing the
;; buffer.
(set-buffer-modified-p nil))
- (mm-insert-inline handle text)))
+ (let ((b (1- (point))))
+ (mm-insert-inline handle text)
+ (dolist (ov ovs)
+ (move-overlay (nth 0 ov) (+ (nth 1 ov) b)
+ (+ (nth 2 ov) b) (current-buffer))))))
;; Shouldn't these functions check whether the user even wants to use
;; font-lock? Also, it would be nice to change for the size of the
next reply other threads:[~2018-08-19 21:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-19 21:20 Juri Linkov [this message]
2018-08-30 22:17 ` bug#32474: 27.0.50; Gnus doesn't highlight refined changes in diff attachments Juri Linkov
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