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-rw-r--r--misc/ruby-additional.el12
1 files changed, 12 insertions, 0 deletions
diff --git a/misc/ruby-additional.el b/misc/ruby-additional.el
index c06003d6da..0a191cda71 100644
--- a/misc/ruby-additional.el
+++ b/misc/ruby-additional.el
@@ -106,6 +106,18 @@ Emacs to Ruby."
(t (when ruby-insert-encoding-magic-comment
(insert "# -*- coding: " coding-system " -*-\n"))))))))
+ (define-key ruby-mode-map "\C-c\C-u" 'ruby-encode-unicode)
+
+ (defun ruby-encode-unicode (beg end)
+ "Convert non-ascii string in the given region to \\u{} form."
+ (interactive "r")
+ (goto-char beg)
+ (while (and (< (point) end)
+ (re-search-forward "\\Ca+" end t))
+ (let ((u (mapconcat (lambda (c) (format "%x" c)) (match-string-no-properties 0) " ")))
+ (delete-region (match-beginning 0) (match-end 0))
+ (insert "\\u{" u "}"))
+ ))
))
(provide 'ruby-additional)