[developers] Font defaults in web demo

Berthold Crysmann crysmann at linguist.jussieu.fr
Mon Nov 12 13:05:09 CET 2012

On Fri, 2012-11-09 at 15:25 +0100, Berthold Crysmann wrote:
> Dear Stephan and others, 
> the current version of the online web demo CSS style specifies some
> default fonts (helvetica, arial, sans-serif) which are know for their
> limited unicode support. 
> For Hausa, in particular, I need composing diacritics and the so-called
> hooked letters (ɓ, ɗ, ƙ) which are very poorly supported ion these
> fonts. 
> I would therefore like to suggest to keep these fonts as fall-back, but
> to precede them with a reference to freely available Unicode fonts, such
> as Charis SIL and Doulos SIL, which have good support for any latin
> script. I have tested on MacOX X (with and without Charis SIL), Linux
> (with Charis) and Windows XP (with Charis), and the results look fine. 

DejaVu Sans also looks like a good candidate (good Unicode coverage,
good combining diacritics, widely installed on Linux).

If you want to inspect the issue, try 

"malam yana zuwa" in hag.linguist.univ-paris-diderot.fr and regenerate. 

> I have further font suggestions that one may add, but Charis should be a
> good bet, now it has even been chosen as the font to use for Coling
> proceedings... Doulos may be installed laready on a good number of
> linguist's PCs.
> In essence, adding free cross-platform unicode fonts as  overrides does
> not hurt, but it fixes many situations where unicode functionality is
> otherwise broken (Linux fonts without proper diacritic support, even
> missing hooked letters). 
> Looking forward to your comments. 
> I attach my version of logon.css, which differs from the poriginal one
> only in font-family specifications. 
> Berthold

Berthold Crysmann 
CNRS - Laboratoire de Linguistique Formelle (UMR 7110) - Paris Diderot
Adresse postale: Case 7031, 5 rue Thomas Mann, F-75205 Paris Cedex 13
Adresse géographique: 175, rue du Chevaleret, F-75013 Paris

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