[Pkg-haskell-maintainers] Bug#722134: Slidy licensing - independent (i.e. dual-licensed) or combined?

[Rigo Wenning]

Hi Jonas, 

sorry for the inconvenience. While making slidy, it looks like Dave or 
someone else just used template text from W3C licensing. To understand 
that licensing, you have to look into the general licensing statement 
from W3C:
http://www.w3.org/Consortium/Legal/2002/ipr-notice-20021231

There it says: 
The Software License governs distribution of W3C W3C Open Source 
Software and some other materials where creation of derivative works may 
be desired.

Slidy is clearly open source software and thus is fully under the W3C 
Software license. The W3C Software license is GPL and FSF compatible:
http://www.w3.org/Consortium/Legal/IPR-FAQ-20000620.html#GNU1

So from our side, there are no issues with using Slidy in open source. 

Regards
 --
 Rigo Wenning
 W3C Legal counsel


On Tuesday 01 October 2013 11:42:32 Jonas Smedegaard wrote:
> Hi Rigo,
> 
> I am Debian developer, with a special interest in [Slidy].
> 
> Recently a [concern] was raised in Debian that the licensing terms of

> Slidy is not compatible with the Debian Free Software Guidelines. 
> Dave suggested that I ask you for advice.
> 
> Essentially the problem is ambiguity in this sentence:
> > The slide show script and style sheet can be used freely under W3C's
> > [software licensing] and [document use] policies
> 
> It can be interpret as those policies two being logically OR'ed (i.e.
> dual-licensing), or logically AND'ed (i.e. multiple required
> licenses).
> 
> Question is therefore, if the correct interpretation of above is same
> as
> the following less ambiguate rephrasing:
> > The slide show script and style sheet can be used freely under
> > either
> > W3C's [software licensing] or [document use] policies
> 
> or instead the following less ambiguate rephrasing:
> > The slide show script and style sheet can be used freely under the
> > combination of both W3C's [software licensing] or [document use]
> > policies
> 
> Kind regards,
> 
>  - Jonas
> 
> 
> [Slidy]: http://www.w3.org/Talks/Tools/Slidy2/
> 
> [concern]: http://bugs.debian.org/722134
> 
> [software licensing]:
> http://www.w3.org/Consortium/Legal/copyright-software
> 
> [document use]: http://www.w3.org/Consortium/Legal/copyright-documents
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