[plt-scheme] Parser Tools group-id for tokens

From: Jon Rafkind (workmin at ccs.neu.edu)
Date: Tue Nov 25 23:19:02 EST 2008

Paulo J. Matos wrote:
> Hi all,
> I am wondering why do we need to specify a group id for tokens? What's
> the usefulness of this group-id?
I'm not an expert on this but it seems like a convenient way to pass 
tokens to the parser. Is it bothersome for you to define it?

Posted on the users mailing list.