This is a prepackaged version of perl Class::Singleton -
Implementation of a "Singleton" class.  It was Debianised by
Piotr Roszatycki <dexter@debian.org>, using files obtained from
<URL:http://www.cpan.org/modules/by-module/Class/Class-Singleton-([0-9.]*)\.tar.gz>.

Copyright and licence notice:

  Copyright (C) 1998 Canon Research Centre Europe Ltd.  All Rights Reserved.

On any Debian system, you can find the complete text of the Artistic
license in the file  /usr/share/common-licenses/Artistic