[slime-devel] Re: COPYRIGHT change - slime contributors please read this

[Wolfgang Jenkner]

Marco Baringer <mb at bese.it> writes:

> diff -u slime/ChangeLog:1.961 slime/ChangeLog:1.962
[...]
> +	Change license statement to say that all files without an explicit
> +	copyright notice are public domain. This change will allow SLIME
> +	to moved out of debian's nonfree tree.

IIRC the main reason for SLIME being considered non-free is the
licence of xref.lisp, in particular

        Any work distributed or published that in whole or in part
        contains or is a derivative of this software or any part
        thereof is subject to the terms of this agreement.

See

http://news.gmane.org/group/gmane.lisp.slime.devel/thread=3875/force_load=t/focus=4140

Wolfgang