Every single bits of the first part is wrong, I didn't noticed it because
it just does nothing.
The example of the link though works, of course (the one with
\definefontfallback).
But to do it with math... I've tried so many possibilities none of which
worked...
Regards,
Chris


On Sun, Dec 22, 2013 at 2:47 AM, Elspeth McGullicuddy <
elspethmcgullicuddy@gmail.com> wrote:

> Still trying to have different blackboard symbols than those default with
> "modern", but also to learn more about fonts, I've found these two examples
> that I've been trying to adapt to math (
> http://tex.stackexchange.com/questions/124824/context-unicode-fallback-font),
> one involving \definefontfallback, the other one using \setmainfontfallback
> with some "range".
>
> It is very interesting because in both cases I completely fail to obtain
> the result I want.
> In the first case I do have the symbols from termes, but only some "N"
> instead of \char0x2115.
> In the second case (simplefonts), all symbols follow the required
> fallback, but the math characters.
>
>
>
> \definefontfallback
>   [termes_fallback]
>   [termes] [0x0000-0xFFFF] %%[force=no]
>
> \Umathquad\displaystyle=1em
> \Umathaxis\textstyle=.8ex
>
> \starttypescript [myModern]
>     \definetypeface [myModern] [rm] [serif] [modern]     [default]
>     \definetypeface [myModern] [ss] [sans]  [modern]  [default]
> [rscale=0.887]
>     \definetypeface [myModern] [tt] [mono]  [modern]    [default]
> [rscale=1.163]
>     \definetypeface [myModern] [mm] [math]  [termes_fallback]
> [default] [rscale=1.050]
> \stoptypescript
>
> \usetypescript[myModern]
> \setupbodyfont[myModern,12pt]
>
> \starttext
>
> The default one doesn't even seem to have $ℕ \char"2115 \Umathchar "0
> "0 "2115\alpha$\char"2115,  α (alpha).
>
>
> \usemodule[simplefonts]
> \setmainfontfallback[termes][range={0x0000-0xFFFF}, force=yes,
>   rscale=auto]
>
> The default one doesn't even seem to have
> $\Umathchar"0"0"2115\utfchar{"2115}$ (white circle) or α (alpha).
>
> \stoptext
>
>
>
> Some help with those examples would be very helpful.
>
> Regards,
> Chris
>
>
>
>
>
> On Thu, Dec 19, 2013 at 4:50 PM, Elspeth McGullicuddy <
> elspethmcgullicuddy@gmail.com> wrote:
>
>> Hi,
>> I'm writing math and I'm using "modern", and I would like to use
>> "doublestroke".
>> There is an example here,
>> http://www.ntg.nl/pipermail/ntg-context/2008/037124.html, but I think
>> it's not likely to work since families aren't used anymore.
>> I really can't think how it should be done, and all I've found would be
>> through some substitution mechanism as described in "fonts-mkiv.pdf".
>> I could use an example of replacing a "vector" of a font, by another font.
>> There might be things too with "simplefonts" and "fallback" mechanism,
>> but I haven't seen examples with math.
>> Regards,
>> Chris
>>
>>
>