Re: math symbol: blacktriangle

[Khaled Hosny <khaledhosny@eglug.org>]

On Wed, Jul 18, 2012 at 12:29:52AM +0200, Hans Hagen wrote:
> 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).

I don't know about the sizes, but every csname defined by amsfonts and
amssymb is covered.

Regards,
 Khaled
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