GNU bug report logs - #68185
[PATCH] Ensure indent-region argument order is correct

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Package: emacs;

Reported by: Morgan Willcock <morgan <at> ice9.digital>

Date: Sun, 31 Dec 2023 21:21:02 UTC

Severity: normal

Tags: patch

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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From: Morgan Willcock <morgan <at> ice9.digital>
To: 68185 <at> debbugs.gnu.org
Subject: bug#68185: [PATCH] Ensure indent-region argument order is correct
Date: Sun, 31 Dec 2023 21:20:11 +0000
[Message part 1 (text/plain, inline)]
Tags: patch

The attached patch fixes an issue with Tempo template insertion, where
the region start is assumed to be a position before the region end.  If
the user selects a region in a backwards direction the correct
indentation will not be applied:

  (require 'tempo)
  (tempo-define-template "indent-region-test" '(r>))

  (with-temp-buffer
    (emacs-lisp-mode)
    (insert "    one\n    two\n    three")
    (goto-char (point-min))
    (set-mark-command nil)
    (goto-char (point-max))
    (tempo-template-indent-region-test)
    (buffer-string))

  ;; => "one\ntwo\nthree"

  (with-temp-buffer
    (emacs-lisp-mode)
    (insert "    one\n    two\n    three")
    (goto-char (point-max))
    (set-mark-command nil)
    (goto-char (point-min))
    (tempo-template-indent-region-test)
    (buffer-string))

  ;; => "    one\n    two\nthree"

The start and end positions are already identified and stored using
separate variables, so the patch just uses these values instead of
assuming the point and mark order.  I've also removed passing nil as the
third argument since the argument is optional.

In GNU Emacs 29.1 (build 1, x86_64-pc-linux-gnu, X toolkit, cairo
 version 1.16.0, Xaw3d scroll bars) of 2023-07-31 built on inspiron
Windowing system distributor 'The X.Org Foundation', version 11.0.12101007
System Description: Debian GNU/Linux 12 (bookworm)

Configured using:
 'configure --with-native-compilation --with-cairo --with-json
 --with-xml2 --with-x-toolkit=lucid'

[0001-Ensure-indent-region-argument-order-is-correct.patch (text/patch, attachment)]

This bug report was last modified 1 year and 161 days ago.

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