2008-12-20
Advent Planet - 2008-12-20
Perl
Perl: 2008 Perl Advent Calendar: 'Tis the season to tie one on
Catalyst: Catalyst Advent Calendar - Day 20
PHP
SysAdvent
Advent Calendar for System Administrators home page: SysAdvent
WEBKRAUTS
WEBKRAUTS: Adventskalender 2008 - Webkrauts