Mario de Sousa <msousa@fe.up.pt> [Thu, 31 Mar 2011 21:06:36 +0100] rev 262
Do not crash when checking semantics of undeclared symbolic_variable.
NOTE: this update may have broken the printing of error messages
during semantic analysis of IL code.
Mario de Sousa <msousa@fe.up.pt> [Thu, 31 Mar 2011 17:40:55 +0100] rev 261
Updating licensing information.