Package: emacs24-common
Version: 24.3+1-2
Severity: normal

Open a file in cperl mode containing the following line:

  /(\d{4})(?: +){2}/;

e.g.: "emacs -Q file" then M-x cperl-mode <RET>

Put the cursor over the second opening brace, and type <DEL>
several times to delete what is before "{2}". When one types
<DEL> at this point:

  /(\d{4})(?:{2}/;
             ^cursor

Emacs freezes. One can type C-g to interrupt.

One can also reproduce the bug by typing: /(\d{4})(?{2
Emacs freezes before the "2" appears.

This bug is also present with Emacs 23.

-- System Information:
Debian Release: jessie/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 
'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.12-1-amd64 (SMP w/2 CPU cores)
Locale: LANG=POSIX, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages emacs24-common depends on:
ii  dpkg            1.17.5
ii  emacsen-common  2.0.5
ii  install-info    5.2.0.dfsg.1-2

emacs24-common recommends no packages.

Versions of packages emacs24-common suggests:
ii  emacs24-common-non-dfsg  24.3+1-1
ii  emacs24-el               24.3+1-2

-- no debconf information


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