Hi, after upgrading to the latest context beta, I'm fased with the following lua error:
define font | forced type otf of lmmono8-regular not found
define font | font with name lmmono8-regular is not found
[...]
! LuaTeX error /usr/share/texmf/tex/context/base/math-vfu.lua:366: table index
is nil
stack traceback:
/usr/share/texmf/tex/context/base/math-vfu.lua:366: in function
</usr/share/texmf/tex/context/base/math-vfu.lua:261>
(tail call): ?
(tail call): ?
/usr/share/texmf/tex/context/base/font-def.lua:549: in function 'read'
/usr/share/texmf/tex/context/base/font-ctx.lua:359: in function
'command_2'
<main ctx instance>:1: in main chunk.
Apparently there is still some font cache somewhere that's not updated, and
context says it has a font that is not found. However, a bit further down,
this crashes.
The cause of this is that the "nullfont" is returned as defined in
font-ini.lua, not just nil:
fonts.ids[0] = { -- nullfont
characters = { },
descriptions = { },
}
This font has no name, but math-vfu.lua uses fs.name unconditionally. Either
math-vfu.lua should be fixed to test for this, or a line should be added to
the null font above:
name = "",
I've tested the latter, and it solves my immediate problem.
Gr.
Matthijs
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