GNU bug report logs - #24587
24.5; `dired-do-rename-regexp' does not support `query-replace-regexp' TO syntax

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From: Drew Adams <drew.adams@HIDDEN>
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Subject: 24.5; `dired-do-rename-regexp' does not support
 `query-replace-regexp' TO syntax
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The doc string of `dired-do-rename-regexp' says this, about the
replacement pattern:

  NEWNAME may contain \\=3D\\<n> or \\& as in `query-replace-regexp'.

It does not say that it also supports the other syntax constructs that
`query-replace-regexp' supports for the replacement pattern, so this is
not a bug report per se, but rather an enhancement request.

Please enable `dired-do-rename-regexp' to fully support the replacement
patterns that `query-replace-regexp' supports.

See this answer by Phil S. to an emacs.stackexchange question for an
example of what should be possible:

http://emacs.stackexchange.com/a/27499/105


In GNU Emacs 24.5.1 (i686-pc-mingw32)
 of 2015-04-11 on LEG570
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
 `configure --prefix=3D/c/usr --host=3Di686-pc-mingw32'