> Am 18.04.2015 um 13:21 schrieb Csikos Bela <bcsikos...@freemail.hu>:
>
>> When you need characters like the mentioned losenge you should better look
>> for a font
>> which contains it and create a new typeface for it or set a fallback font
>> which add the
>> characters to the main font of your document.
>
> Before answering I wanted to find out how to make this fallback: Using a
> given font
> and fall back to only one (or a few) specific characters in another font. For
> example
> using Tex Gyre Pagella and fall back to Dejavu's black diamond, but not to
> any other
> characters.
>
> To learn how to do this, in the last few days I read most of (if not all) the
> related pages on
> the wiki site, and browsed the indicated pdf documents too. Unfortunately I
> find the wiki
> pages confusing, and I couldn't find out how to solve the problem yet, but I
> did not want
> to wait longer with the answer. I will study further the docs.
\definefallbackfamily [documentfont] [rm] [DejaVu Serif] [range=0x25C6]
\definefontfamily [documentfont] [rm] [TeX Gyre Pagella]
\definefontfamily [documentfont] [tt] [Latin Modern Mono] [features=none]
\definefontfamily [documentfont] [mm] [TeX Gyre Pagella Math]
\setupbodyfont[documentfont]
% \setupsymbolset[text]
%
% Using the predefined symbol for "blackdiamond" doesn’t work
% because context tests if the symbol exists in the text font
% before it displays it but we take it from the fallback font
% and therefore nothing is shown. To avoid this you can define
% your own symbol or just put the character in your document
% without the \symbol command.
\definesymbol[blackdiamond][◆]
\starttext
direct input: ◆
\type{\symbol[blacktriangle]}: \symbol[blackdiamond]
\stoptext
Wolfgang
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