deba [Sat, 13 Nov 2004 21:37:54 +0000] rev 989
XyzConcept moved to Xyz::Constraints
use checkConcept in the next way:
checkConcept<ErasableGraph, ListGraph>();
checkConcept<ReadWriteMap<Node, Node>, PredMap>;
alpar [Sat, 13 Nov 2004 17:47:44 +0000] rev 988
Revome an obsolete #include line.