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(ruby-mode-set-encoding): Use 'save-restriction'

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* lisp/progmodes/ruby-mode.el (ruby-mode-set-encoding):
Use 'save-restriction' (bug#45349).
This commit is contained in:
Dmitry Gutov 2020-12-22 03:15:45 +02:00
parent 27fab4b140
commit c69c65676d
1 changed files with 18 additions and 17 deletions
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3
lisp/progmodes/ruby-mode.el
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@ -780,6 +780,7 @@ The style of the comment is controlled by `ruby-encoding-magic-comment-style'."
(defun ruby-mode-set-encoding ()
"Insert a magic comment header with the proper encoding if necessary."
(save-excursion
(save-restriction
(widen)
(goto-char (point-min))
(when (ruby--encoding-comment-required-p)
@ -797,7 +798,7 @@ The style of the comment is controlled by `ruby-encoding-magic-comment-style'."
(t (when ruby-insert-encoding-magic-comment
(ruby--insert-coding-comment coding-system))))
(when (buffer-modified-p)
(basic-save-buffer-1)))))))
(basic-save-buffer-1))))))))
(defvar ruby--electric-indent-chars '(?. ?\) ?} ?\]))