[antlr-interest] question about ANTLR3.0

[John B. Brodie]

Greetings!

Terence Parr replied, in part, to Lloyd Dupont:

Lloyd>> for example being able to declare method in a subgrammar, without  
Lloyd>> needing to copy paste all super-grammar code?

Ter> I will be creating another mechanism based upon RCS :)

and I ask about .....................................^^^

RCS is Revision Control System ... or ... ???
(sorry if this has already been discussed here)

Thanks
   -jbb