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* emacs-lisp/re-builder.el (re-builder): Improve doc (Bug#8286).

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Chong Yidong 2011-05-28 14:48:41 -04:00
parent 5012f24c2a
commit 23db196eea
2 changed files with 11 additions and 2 deletions
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9
lisp/emacs-lisp/re-builder.el
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@ -351,9 +351,14 @@ Except for Lisp syntax this is the same as `reb-regexp'.")
;;;###autoload
(defun re-builder ()
"Construct a regexp interactively."
(interactive)
"Construct a regexp interactively.
This command makes the current buffer the \"target\" buffer of
the regexp builder. It displays a buffer named \"*RE-Builder*\"
in another window, initially containing an empty regexp.
As you edit the regexp in the \"*RE-Builder*\" buffer, the
matching parts of the target buffer will be highlighted."
(interactive)
(if (and (string= (buffer-name) reb-buffer)
(reb-mode-buffer-p))
(message "Already in the RE Builder")