ANTLR 3.3 is out! Get it here: http://antlr.org/download.html Has new Objective-C and Ruby targets. See http://www.antlr.org/wiki/display/ANTLR3/ANTLR+3.3+Release+Notes I hope to get ANTLRWorks out tomorrow. That will be 1.4.1 with ANTLR v3.3. Ter