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bug#11733: 24.1; cperl indentation bugs

From: Vincent Lefevre
Subject: bug#11733: 24.1; cperl indentation bugs
Date: Mon, 18 Jun 2012 12:45:20 +0200

The indentation in CPerl mode is buggy on sub, even with the default
configuration (emacs -Q). Open the following file:

#!/usr/bin/env perl
# -*- mode: cperl -*-

sub foo

sub bar

and hit the [TAB] key over the "sub bar" line. This line is indented
by 2 columns instead of being left on the first column. More generally
this happens on all subs except the first one.

[TAB] on the '{' of sub bar (line 9 of the script) gives a 4-column
indentation instead of 2, but this may be a consequence of the above

Other indentation bugs:

#!/usr/bin/env perl
# -*- mode: cperl -*-

while (<>)
    m:^  \d+ p:
      or die;
    m:^  \d+ :
      or die;

[TAB] on "or die;" gives:
  * a 4-column indentation instead of 6 for the 1st one,
  * a 8-column indentation instead of 6 for the 2nd one.

Note: my old Debian bug report about these indentation bugs:


In GNU Emacs 24.1.1 (x86_64-unknown-linux-gnu, GTK+ Version 2.24.10)
 of 2012-06-15 on ypig
Windowing system distributor `The X.Org Foundation', version 11.0.11201902
Configured using:
 `configure '--prefix=/usr/local/emacs-24.1' '--enable-asserts''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: POSIX
  value of $LC_CTYPE: en_US.UTF-8
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: en_DK
  value of $LANG: POSIX
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  default enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  display-time-mode: t
  show-paren-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
<escape> x r e p o r t - b u <tab> <return>

Recent messages:
Loading /home/vlefevre/share/emacs/site-lisp/mutteditor.el (source)...done
Loading time...done
For information about GNU Emacs and the GNU system, type C-h C-a.

Load-path shadows:
None found.

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