[webkit-dev] SIL Open Font License and WebKit

[Sausset François]

Le 19 juil. 2010 à 21:04, Maciej Stachowiak a écrit :

> 
> Apple's legal department would strongly prefer for WebKit's license terms to remain simple. We prefer everything to be licensed under LGPL or BSD terms, or at the very least a license which is clearly compatible with LGPL and BSD. Is this license LGPL-compatible for cases where the fonts are embedded as data in software?

See answers 1.4 to 1.7 in the following official FAQ of the license:
http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&item_id=OFL-FAQ_web
It is compatible.
And as the font is only used by DumpRenderTree for tests, the WebKit API by itself does not need it at all.
So, Safari, Chrome/Chromium, etc need to include neither the font, nor the license.

> 
> For support material that has unusual license terms, another possibility is to have WebKit's support scripts automatically download it, rather than checking it directly into the repository.

CSS font-face could be a workaround but a persistent location should be found (and I suppose WebKit website has the same licensing issues?). And with that solution MathML layout tests could not be run without a network connection.

François Sausset


> 
> Regards,
> Maciej
> 
> On Jul 16, 2010, at 8:05 AM, Eric Seidel wrote:
> 
>> A little web searching produced:
>> 
>> It's OSI approved:
>> http://www.opensource.org/licenses/openfont.html
>> 
>> GNU thinks it's OK, albeit having an "unusual requirement":
>> http://www.gnu.org/licenses/license-list.html#Fonts
>> 
>> Fedora recommended:
>> https://fedoraproject.org/wiki/Licensing#Font_Licenses
>> 
>> It would appear to be "the font license".
>> 
>> -eric
>> 
>> On Fri, Jul 16, 2010 at 5:05 AM, Alex Milowski <alex at milowski.org> wrote:
>>> We have a licensing issue we need to address for MathML.  We need the STIX
>>> fonts as they will provide consistent rendering for Mathematics.  I highly
>>> suspect these fonts will find themselves on our desktops somewhere down
>>> the road.  Meanwhile, we need them for our testing infrastructure to
>>> actually work across all the platforms.
>>> 
>>> The STIX Fonts are available under the SIL Open Font License:
>>> 
>>>  http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&item_id=OFL_web
>>> 
>>> You can see the patch that adds these fonts here:
>>> 
>>>  https://bugs.webkit.org/show_bug.cgi?id=41961
>>> 
>>> I think we need to adjust our licensing policy to include font licenses
>>> like the above.  It is unlikely that the STIX consortium will change their
>>> font licensing.  In reality, they don't need to do so.  The font license is
>>> intended to support "open source" fonts.
>>> 
>>> --
>>> --Alex Milowski
>>> "The excellence of grammar as a guide is proportional to the paucity of the
>>> inflexions, i.e. to the degree of analysis effected by the language
>>> considered."
>>> 
>>> Bertrand Russell in a footnote of Principles of Mathematics
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