}One thing I worry about about using Inform for IF ... well, if I ever
}decide to sell (gasp!) a bit of IF, either as a "sequel" you get when
}registering or as a plain commercial product (locally advertised or
}whatever) -- well, what are the legalities of commercially distributing a
}game derived on a copyrighted structure (ZCode)?
What copyright? Any copyrighted work of Infocom's describing the
Z-Machine has never been published, so you can't violate that. There's
no patent on the Z-Machine.
}What are the chances
}I'll be able to give out ZIP in the .ZIP file or on the diskette of this
}game?
Ask the author. Right now you're just spreading Fear, Uncertainty,
and Doubt.