caveconverter licencing

[Wookey]

On 2017-01-12 14:00 +0000, Footleg wrote:
> This is a subtlety of the GNU licenses I had not appreciated. Is there a
> reason Survex choses GPLv2+ over GPLv3+?

The GPL3 post-dates Survex by a decade. So was not an option when we
created it.

> I just chose the latest at the
> time I first published my code. I am happy to send you the files with
> permission to include under the Survex license, so that is not a problem.
> But I wondered on the merits of my choice of license vs Survex.

GPL2+ does have wider complatibility than GPL3+. GPL3 gives better
clarity (fixes some bugs in GPL2, and has much better
internationalisation) (and protects against 'tivoisation', but that's
not a significant consideration for caveconverter).

It is annoying that the fixes ended up making them incompatible. You
could change if you wanted, or just assume that specific permsions to
relicence will be consered as required, as you just did above; whilst
it's a 1-man project this is trivial to do. 

There are plenty of GPL2/GPL2+/GPL3/GPL3+ comparisons online (some
rather biased IMHO!)

Wookey
-- 
Principal hats:  Linaro, Debian, Wookware, ARM
http://wookware.org/
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