Bug#649530: [copyright-format] clearer definitions and more consistent License: stanza specification

[Jonathan Nieder <jrnieder@gmail.com>]

Steve Langasek wrote:

> I think this is perfectly valid:
>
> Files: *
> Copyright: The Man in the Moon, 2007
> License: GPL-2+ with OpenSSL exception
>
> License: GPL-2+ with OpenSSL exception
>  This program is free software [...] as a special exception, [...]
>  On Debian systems, [...]
>
> Perhaps the spec should be clarified to make this more explicit?

Yep, that would be welcome.  Thanks for looking at it.