I recently had the same problem.
I installwd fontforge and opened the fobtfile. There you can see the names of the glyphs.

After that i succeded with following code.



\definefontsynonym [WebDing] [file:webdings.ttf]
\def\WebDingSymbol{\getnamedglyphdirect{WebDing}}
\startsymbolset [webding]
\definesymbol[surf][\WebDingSymbol{surf}]
\definesymbol[motorcycle][\WebDingSymbol{motorcycle}]
\definesymbol[mountain][\WebDingSymbol{mountain}]
\definesymbol[art][\WebDingSymbol{art}]
\definesymbol[occasion][\WebDingSymbol{occasion}]
\stopsymbolset
\starttext
\tfc
\symbol[webding][surf]
\symbol[webding][motorcycle]
\symbol[webding][mountain]
\symbol[webding][art]
\symbol[webding][occasion]
\stoptext

I should write a symb-imp-win.mkv


Am 30. März 2017 13:14:26 MESZ schrieb Henning Hraban Ramm <texml@fiee.net>:
>I’m trying to define a symbolset:
>
>\definefontsynonym [Webdings] [file:Webdings.ttf]
>\def\WebdingsSymbol#1{\getglyphstyled{Webdings}{\tochar{x:#1}}}
>
>\startsymbolset[webdings]
>    \definesymbol [spider]    [\WebdingsSymbol{f021}]
>    \definesymbol [spiderweb]    [\WebdingsSymbol{f022}]
>    \definesymbol [sunglasses]    [\WebdingsSymbol{f024}]
>    \definesymbol [award]    [\WebdingsSymbol{f026}]
>    \definesymbol [ribbon]    [\WebdingsSymbol{f02d}]
>    \definesymbol [plane]    [\WebdingsSymbol{f0f1}]
>    % …
>\stopsymbolset
>
>\usesymbols[webdings]
>\showsymbolset[webdings]
>\symbol[webdings][spider]
>
>The font is included in my pdf, \showsymbolset[webdings] lists the
>names, but the symbols never show up.
>I also tried other fonts.
>What’s wrong?
>
>
>Greetlings, Hraban
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