Changelog for libzen-devel-0.4.20-1-mdv2011.0.i586.rpm :

* Sat Jun 18 2011 Jani V?limaa 0.4.20-1mdv2011.0+ Revision: 685911- new version 0.4.20
* Sun May 01 2011 Jani V?limaa 0.4.19-2+ Revision: 661379- add more header files to -devel package
* Sun May 01 2011 Jani V?limaa 0.4.19-1+ Revision: 661356- import libzen