[luatex] Unicode math issue with LuaLaTeX

Khaled Hosny khaledhosny at eglug.org
Sun Jun 13 17:50:36 CEST 2010


On Sun, Jun 13, 2010 at 12:19:25PM +0200, Taco Hoekwater wrote:
> Ulrik Vieth wrote:
> >On 06/13/2010 12:01 PM, Taco Hoekwater wrote:
> >
> >>Luatex takes the parameters
> >>from the currently active math family, I think.
> >
> >Do you just belive so or are you sure about this?
> 
> 
> If I was sure I wouldn't need a test file ;)

The manual, 5.5, says:

While it is nice to have these math parameters available for tweaking,
it would be tedious to have to set each of them by hand. For this
reason, LuaTEX initializes a bunch of these parameters whenever you
assign a font identifier to a math family based on either the
traditional math font dimensions in the font (for assignments to math
family 2 and 3 using tfm-based fonts like cmsy and cmex), or based
on the named values in a potential MathConstants table when the font is
loaded via Lua. If there is a MathConstants table, this takes precedence
over font dimensions, and in that case no attention is paid to which
family is being assigned to: the MathConstants tables in the last
assigned family sets all parameters.

I think it is a bit clear what we are missing now, a MathConstants
table. Just to be sure, is there any thing else we should consider?

Regards,
 Khaled

-- 
 Khaled Hosny
 Arabic localiser and member of Arabeyes.org team
 Free font developer


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