Re: math symbol: blacktriangle

[Hans Hagen <pragma@wxs.nl>]

On 17-7-2012 22:36, Khaled Hosny wrote:
> On Tue, Jul 17, 2012 at 09:40:15PM +0200, Hans Hagen wrote:
>> On 17-7-2012 19:39, Aditya Mahajan wrote:
>>> On Tue, 17 Jul 2012, Andreas Mang wrote:
>>>
>>>> Dear all,
>>>>
>>>> The \blacktriangle and \blacktriangledown symbol seem to be missing,
>>>> though \blacktriangleright and \...-left are defined. Is there a quick
>>>> way to add missing symbols by myself from the knowledge of Unicode /
>>>> XML identifier (http://www-sop.inria.fr/marelle/tralics/doc-b.html)?
>>>
>>> For opentype math fonts, have a look at char-def.lua. To add missing
>>> symbols, you need to add appropriate fields in the lua table.
>>>
>>> The hard part is verifying the symbol to unicode slot mapping (the list
>>> at tralics is not always consistent with the ams list that is used by
>>> unicode-math package). If you know the right mappings, add a patch to
>>> char-def.lua and send it to the list (or the dev-context list);
>>> otherwise, just send the mappings and I can add them to the lua table.
>>
>> keep in mind that not all those black triangles in ams math ended up
>> in unicode
>
> AFAIK all ams symbols are in Unicode now (I know because the STIX LaTeX
> support covers them all from STIX Unicode fonts).

Also the black triangles left and right (in ams compatible font sizes)?

(Last time I messed with it I had to get them from the navigational 
symbol font).

Hans

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