Hi Doug:

I checked the example below in the C++ system and it worked.
Is there a wrinkle in the parameterization expander?

-- Karl

demjava -code program
Parsing program.cd...
Expanding parameterized classes...
Converting repetition classes...
Filling in part names...
Setting inheritance links...
Error: class null cannot have more than one parent: S_Decorator
Error: class null cannot have more than one parent: S_Composite
Error: class null cannot have more than one parent: S_Composite
Parsing program.beh...
Gathering methods...
Expanding traversals...
  Expanding allShapes...
Generating Java code to program.java...
Done.
demjava -grammar program
Parsing program.cd...
Expanding parameterized classes...
Converting repetition classes...
Filling in part names...
Setting inheritance links...
Error: class null cannot have more than one parent: S_Decorator
Error: class null cannot have more than one parent: S_Composite
Error: class null cannot have more than one parent: S_Composite
Generating grammar to program.jack...
Done.
jack program.jack
Jack Version 0.5.  Copyright (c) 1996 Sun Microsystems Inc.
(type "jack" with no arguments for help)

Reading from file program.jack . . .
Error: Line 271, Column 3: Non-terminal S has not been defined.
Detected 1 errors and 0 warnings.
make: *** [Parser.java] Error 1
/amd/saentis/export/adaptive/www/sources/DemeterJava/examples/j-pattern-transf1/generated