Changelog for xrx-1.0.4-lp152.4.5.x86_64.rpm :

* Fri Feb 01 2019 bjorn.lieAATTgmail.com- Drop conditional pkgconfig(npapi-sdk) BuildRequires: npapi-sdk is dead upstream and not comming back.
* Fri Apr 13 2012 vuntzAATTopensuse.org- Split xrx from xorg-x11. Initial version: 1.0.4.