CVSROOT: /cvs/purrs Module name: purrs Changes by: zaccagnini at cs.unipr.it 2002-06-12 18:42:54 Modified files: doc : purrs.tex Log message: Replaced ambiguous notation like N^* with N\{0}. Patches: http://www.cs.unipr.it/cgi-bin/cvsweb.cgi/purrs/doc/purrs.tex.diff?cvsroot=purrs&r1=1.16&r2=1.17