Changelog for ImageMagick-devel-3.9.1-1.i386.rpm :

* Thu Oct 23 1997 Donnie Barnes - updated from 3.8.3 to 3.9.1- removed PNG patch (appears to be fixed)
* Wed Oct 15 1997 Erik Troan - build against new libpng
* Thu Jul 10 1997 Erik Troan - built against glibc
* Thu Mar 20 1997 Michael Fulbright - updated to version 3.8.3.- updated source and url tags.