Re: trn license
Okay, the reference to the bison skeleton is probably just copyright
file junk, in that case. But I still worry about this part:
> Permission is hereby granted to copy, reproduce, redistribute or otherwise
> use this software as long as: there is no monetary profit gained
> specifically from the use or reproduction of this software, it is not
> sold, rented, traded or otherwise marketed, and this copyright notice is
> included prominently in any copy made.
> [ I contacted Stan Barber, Wayne Davison and Larry Wall to ask for
> clarification of this. Stan Barber replied:
> This intent of the copyright is not to INCREASE the cost of a
> CD-ROM distribution just because *rn was added. Put another way, if
> you had a CD-ROM at $100 and added *rn and changed the cost to $110
> just because you added *rn, that would violate the intent of the
> and Wayne Davison agreed. -- Ian Jackson, former trn maintainer ]
-- The "clarification" seems to contradict the sentence it clarifies;
"it is not sold, rented, traded or otherwise marketed" pretty clearly
forbids what is described here.
-- Apparently, Larry Wall never replied to Ian's query.
Oh, and no license is given for this:
> Regular expression parsing in search.c Copyright 1981, 1980 James
> Gosling. Modified by Tom London (1981); ripped to shreds and glued
> back together to make a search package by Larry Wall (1984).