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Fix when calling prettify-symbols-mode more than once

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* lisp/progmodes/prog-mode.el (prettify-symbols-mode): Allow
calling this mode several times without the earlier symbol alist
shadowing the newer (bug#23255).
This commit is contained in:
Lars Ingebrigtsen 2019-07-28 22:14:30 +02:00
parent 0c5f436dc0
commit a0df490055
1 changed files with 3 additions and 3 deletions
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6
lisp/progmodes/prog-mode.el
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@ -211,6 +211,9 @@ You can enable this mode locally in desired buffers, or use
`global-prettify-symbols-mode' to enable it for all modes that
support it."
:init-value nil
(when prettify-symbols--keywords
(font-lock-remove-keywords nil prettify-symbols--keywords)
(setq prettify-symbols--keywords nil))
(if prettify-symbols-mode
;; Turn on
(when (setq prettify-symbols--keywords (prettify-symbols--make-keywords))
@ -226,9 +229,6 @@ support it."
(font-lock-flush))
;; Turn off
(remove-hook 'post-command-hook #'prettify-symbols--post-command-hook t)
(when prettify-symbols--keywords
(font-lock-remove-keywords nil prettify-symbols--keywords)
(setq prettify-symbols--keywords nil))
(when (memq 'composition font-lock-extra-managed-props)
(setq font-lock-extra-managed-props (delq 'composition
font-lock-extra-managed-props))