[luatex] [unimath] some bits of opentype math testing

[Ulrik Vieth]

On 07/25/2010 10:39 PM, Khaled Hosny wrote:

> This is a kpathsea issue (TTC and TTF fonts are looked for in $TTFONTS
> not $OPENTYPEFONTS and thus the font names database generation code will
> not see cambria.ttc in the first case (you can check with kpsewhich).

So maybe this a TeXLive documentation issue: Where should users put 
their OpenType fonts if they are in .ttf/.ttc format and not .otf?

>> - If euler.otf is installed in texmf-local/fonts/opentype,
>>    Context fails to find the font, whereas luaotfload does find it.
>
> ConTeXt doesn't use kpathsea, luaotfload does.
 > To check if ConTeXt can find a file try `luatools --find`.

I've checked it, but "luatoots --find-file euler.otf" doesn't find it.

It does find xits-math.otf and asana-math.otf in the texmf-dist tree, 
but it doesn't find cambria.ttc and euler.otf in the texmf-local tree.
Nevertheless, context could use cambria.ttc but couldn't find euler.otf.

As I've checked, euler.otf is also listed in the luatex-cache files
of my texmf-local tree.

$ luatools --find-file euler.otf
[...]
LuaTools | fileio: loading 'files' for '/opt/texlive/texmf-local' from 
'/home/uvi/.texlive2010/texmf-var/luatex-cache/context/1f3583840856de270bff021c0c541f9f/trees/117a211900e1ec281a0287eb597ec69b'

$ grep euler.otf 
/home/uvi/.texlive2010/texmf-var/luatex-cache/context/1f3583840856de270bff021c0c541f9f/trees/117a211900e1ec281a0287eb597ec69b.lua
                 ['euler.otf']='fonts/opentype/public/euler',

$ grep -2 euler.otf 
/home/uvi/.texlive2010/texmf-var/luatex-cache/context/1f3583840856de270bff021c0c541f9f/fonts/data/names.tma 

    designsize=0,
    familyname="neoeuler",
    filename="euler.otf",
    fontname="neoeuler",
    format="otf",

Something strange seems to be going on here!

>> Font loading issues (XeLaTeX):
>>
> This is a known XeTeX bug (engine bug, no matter which of the two files
> fontspec will load).

Yes, I've also seen this bug before.  Maybe it would be better
not to ship two different versions of the same font in TeXLive.

Regards, Ulrik