bug#27947: 26.0.50; Confusing comment in re-builder.el

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tags 27947 fixed
close 27947 26.1
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Philipp Stephani <p.stephani2@gmail.com> writes:

> re-builder.el has this comment:
>
> ;; Currently `re-builder' understands three different forms of input,
> ;; namely `read', `string', and `rx' syntax.  Read
> ;; syntax and string syntax are both delimited by `"'s and behave
> ;; according to their name.  With the `string' syntax there's no need
> ;; to escape the backslashes and double quotes simplifying the editing
> ;; somewhat.  The other three allow editing of symbolic regular
> ;; expressions supported by the packages of the same name.
>
> What's "the other three" in the last sentence?  It's only `rx', isn't
> it?

Yeah, the beginning of the paragraph was edited without updating the end
of it.  Looks like it happened a few times, e.g. [1: d7975e20a0], [2:
723ee192a5].  I've fixed it in [3: 12d7757a79].

[1: d7975e20a0]: 2005-01-06 21:58:17 +0000
  Update copyright.  Update commentary to mention rx syntax support.
  
http://git.savannah.gnu.org/cgit/emacs.git/commit/?id=d7975e20a0079d6159815aceb804126d0f153ac4

[2: 723ee192a5]: 2010-12-26 18:17:09 -0500
  * lisp/emacs-lisp/rx.el: Make it a superset of sregex.
  
http://git.savannah.gnu.org/cgit/emacs.git/commit/?id=723ee192a5b3c6ebf589d325d5d004e57ce42652

[3: 12d7757a79]: 2017-08-04 18:36:05 -0400
  ; * lisp/emacs-lisp/re-builder.el: Fix commentary (Bug#27947).
  
http://git.savannah.gnu.org/cgit/emacs.git/commit/?id=12d7757a794edaf6ad81ee468dc99998ecf5d4ac