Bug#247529: locales upgrade broke en.ISO8859-1 generation

[Andre Tomt <andre@tomt.net>]

Package: locales
Version: 2.3.2.ds1-12
Severity: important

Selecting or upgrading with en.ISO-8859-1 enabled breaks installation.

Setting up locales (2.3.2.ds1-12) ...
Generating locales...
en.ISO-8859-1...cannot open locale definition file `en': No such file
or directory
dpkg: error processing locales (--configure):
 subprocess post-installation script returned error exit status 4
 Errors were encountered while processing:
 locales
E: Sub-process /usr/bin/dpkg returned an error code (1)
    

-- System Information:
Debian Release: testing/unstable
  APT prefers testing
  APT policy: (1000, 'testing'), (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.4.26-s3-server-p4
Locale: LANG=C, LC_CTYPE=C

Versions of packages locales depends on:
ii  debconf                     1.4.22       Debian configuration management sy
ii  libc6 [glibc-2.3.2.ds1-12]  2.3.2.ds1-12 GNU C Library: Shared libraries an

-- debconf information:
* locales/default_environment_locale: None
* locales/locales_to_be_generated: en ISO-8859-1