Changelog for R-knitr-1.17-3.179.x86_64.rpm :

* Tue Oct 17 2017 lbeltrameAATTkde.org- Update to 1.1.7- Run spec-cleaner
* Thu Oct 09 2014 darinAATTdarins.net- updated source to latest release
* Mon May 07 2012 darinAATTdarins.net- initial package for OpenSuSE