Re: math: using bold charaters for number sets

[Aditya Mahajan <adityam@umich.edu>]

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On Tue, 24 May 2011, Hans Hagen wrote:

> On 24-5-2011 1:23, Paul Menzel wrote:
>> Dear ConTeXt folks,
>> 
>> 
>> according to [1] the number sets were originally set using bold
>> characters and only on the blackboard the double strokes were used.
>> 
>> ConTeXt defines for example `\naturalnumbers` or `\reals` [2] which are
>> set using double strokes.
>> 
>> How can I redefine those to be just bold?
>
> I've made something for an upcoming beta:
>
> \startformula
>    \reals
>    {\mathbf R}
>    \utfchar{"0211D}
>    \utfchar{"1D411}
> \stopformula
>
> \setupmathematics
>  [rendering=1]

I will prefer something more verbose than rendering=1. Perhaps, 
numbersets=blackboard and numbersets=bold.

> \startformula
>    \reals
>    {\mathbf R}
>    \utfchar{"0211D}
>    \utfchar{"1D411}
> \stopformula
>
> That give the desired result. But we need to set up some rendering vectors so 
> I need to discuss it with Aditya first.

A bit tricky. Is \reals == ℝ? That is, what if I type ℝ should the 
output be bold R, or should ℝ always map to the corresponding slot in the 
unicode math font?

> And of course Aditya want as export
>
> <m:mi>ℝ</m:mi>
> <m:mi>𝐑</m:mi>
> <m:mi>ℝ</m:mi>
> <m:mi>𝐑</m:mi>
>
> So that is also taken care of.

Thanks :)

Aditya

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