Re: trn license

[Richard Braakman <dark@xs4all.nl>]

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
>     copyright.
>   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).


Richard Braakman