<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd"> <pkgmetadata> <herd>common-lisp</herd> <longdescription> KR (Knowledge Representation) is a highly flexible and dynamic prototype-based object system for Common Lisp. It is completely independent of CLOS and features among other things multiple-inheritance and value propagation using constraints, much like Cells or COSI do, but in case of the latter there is actual source code around. </longdescription> </pkgmetadata>