* lisp/replace.el (replace-preview--input): New function.
(replace-preview-update): Add optional START and END, and
preview only the matches between them.
(replace-preview-setup): Accept a nil FROM, read from the
minibuffer along with the replacement, and add optional
BACKWARD. Limit the preview to the part of the buffer that the
replacement will cover.
(query-replace-read-to): Add optional BACKWARD and pass it on.
(query-replace-read-args): Preview the replacement while reading
FROM as well, and preview nothing when the caller asks for no
highlighting.
* lisp/isearch.el (isearch-query-replace): Pass BACKWARD to
`query-replace-read-to'.
* test/lisp/replace-tests.el (replace-tests--preview): Add START
and END.
(replace-tests-preview-bounds, replace-tests-preview-input): New
tests.
* doc/emacs/search.texi (Replace): Document the above.
This directory contains the architecture-independent files used by or
with Emacs. This includes some text files of documentation for GNU
Emacs or of interest to Emacs users, and the file of dumped docstrings
for Emacs functions and variables.
COPYRIGHT AND LICENSE INFORMATION FOR IMAGE FILES
File: emacs.icon
Author: Sun Microsystems, Inc
Copyright (C) 1999, 2001-2026 Free Software Foundation, Inc.
License: GNU General Public License version 3 or later (see COPYING)
a8736d5f88