- [http://cyberelk.net/tim/patchutils/ is out-of-date · Issue #21 · twaugh/patchutils](https://github.com/twaugh/patchutils/issues/21) - [patchutils/ChangeLog at master · caldwell/patchutils](https://github.com/caldwell/patchutils/blob/master/ChangeLog) - ["interdiff" cvs "src.rpm" - Google Search]() - [patchutils](http://web.archive.org/web/20060527201224/http://cyberelk.net/tim/patchutils/)
