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bug#47521: 28.0.50; [PATCH] [image-mode] reduce calling for image-toggle
From: |
Lin Sun |
Subject: |
bug#47521: 28.0.50; [PATCH] [image-mode] reduce calling for image-toggle-display-text |
Date: |
Wed, 31 Mar 2021 22:47:33 +0800 |
(Resend in text mail format.)
Hi,
When opening a png file and toggle display from image to text by C-c
C-c, the `image-toggle-display-text` will be called twice in function
`image-toggle-display-text`.
The first call is from the major mode change hook, in the following
line will cause `change-major-mode-hook` be run and it’s
`image-toggle-display-text` for image-mode.
image-mode.el:730 (major-mode-restore '(image-mode image-mode-as-text))
The second call is from the direct call at
image-mode.el:736 (image-toggle-display-text)
Try debug-on-entry on `image-toggle-display-text`, then switch image
to text in image-mode by press C-c C-c to observe the issue.
And the patch tries to reduce calling for `image-toggle-display-text`.
Best Regards
Lin Sun
0001-image-mode-reduce-calling-for-image-toggle-display-t.patch
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