On 3/14/2019 5:56 AM, Henri Menke wrote:
Dear list,
Something has changed in MetaFun and it can no longer be used in plain LuaTeX,
with neither of
luatex test.tex
mtxrun --script plain test.tex
This is the error:
>> LUATEXFUNCTIONALITY
>> "mp.print(LUATEXFUNCTIONALITY)"
! Equation cannot be performed (numeric=string).
hm, that can be
mp.print(LUATEXFUNCTIONALITY or 0)
but ... i'm surprised you can use metafun in plain at all ... i never
test that and to be honest am not too motivated to support mpiv code in
generic either .. better use
\startMPpage
\stopMPpage
with context and then include the pdf
Hans
MWE is below, as always.
Cheers, Henri
---
\directlua{
local mpkpse = kpse.new(arg[0], "mpost")
local function finder(name, mode, ftype)
if mode == "w" then
return name
else
return mpkpse:find_file(name,ftype)
end
end
local mpx = mplib.new {
find_file = finder
}
local ret = mpx:execute[[
boolean mplib ; mplib := true ;
input metafun.mp ;
]]
print(ret.log)
}
\bye
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