[NTG-context] Defining mathsymbols from unicode char

[NTG-context] Defining mathsymbols from unicode char

[Jethro Djan]

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Dear all,

1. I am trying to define the "pitchfork" unicode character(
https://unicodeplus.com/U+22D4) to use in ConTeXt as stated on page 387 of
new math manual authored by Hans and Mikael:
\definemathsymbol[pitchfork][relation]["22D4]

It works with some unicode characters and not others (like this character).
What can I do to make it work?

2. I would like a \not\perp symbol but it doesn't draw the stroke on top of
the symbol. I know you could manipulate this in a plain TeX but I am
thinking the mechanism in ConTeXt would be different. How can I achieve
this? Also how can I get the \notperp symbol in the accepted answer of
https://tex.stackexchange.com/questions/27651/symbol-about-not-orthogonality-in-latex
?

Thanks.

Jethro

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[NTG-context] Re: Defining mathsymbols from unicode char

[Wolfgang Schuster]

Jethro Djan schrieb am 29.08.2024 um 21:27:
> Dear all,
> 
> 1. I am trying to define the "pitchfork" unicode 
> character(https://unicodeplus.com/U+22D4) to use in ConTeXt as stated on 
> page 387 of new math manual authored by Hans and Mikael:
> \definemathsymbol[pitchfork][relation]["22D4]
> 
> It works with some unicode characters and not others (like this 
> character). What can I do to make it work?

1. You forgot to provide a minimal example to reproduce the problem.

2. You need a math which contains the symbol because you can't expect to 
get each symbol with all of them.

You can run the following sample to see which font contains \pitchfork.

%%%% begin example
\starttext

\doloopoverlist
   {antykwa,
    antykwa-light,
    antykwa-cond,
    bonum,
    cambria,
    concrete,
    dejavu,
    ebgaramond,
    erewhon,
    iwona,
    iwona-light,
    koeieletters,
    kpfonts,
    kurier,
    kurier-light,
    libertinus,
    lucida,
    modern,
    pagella,
    schola,
    stixtwo,
    termes,
    xcharter}
   {\mono{\recursestring:} \begingroup
      \switchtobodyfont[\recursestring]
      \im{\pitchfork}
    \endgroup \par}

\stoptext
%%%% end example

Wolfgang
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