[NTG-context] fontloader error in latex: attempt to call upvalue 'getdirection' (a nil value)

Ulrike Fischer news3 at nililand.de
Fri Jan 11 20:23:42 CET 2019

Am Thu, 10 Jan 2019 17:13:26 +0100 schrieb Pablo Rodriguez:

> On 1/7/19 12:40 AM, Ulrike Fischer wrote:
>> I just tried to import the fontloader from 2019-01-03 into latex,
>> and get on a simple document the error
>>  (./test-utf8.aux)error:
>> ...ad/texmf/tex/luatex/luaotfload/fontloader-2019-01-03.lua:23868:
>> attempt to call upvalue 'getdirection' (a nil value)
>> [...]
>> I have no idea (yet) if this is latex specific or if it could affect
>> context too but thought I better mention it. The line refers to this
>> part of the code:
>>   pardirstate=function(start)
>>     local nxt=getnext(start)
>>     local dir=getdirection(start) --<--
>>     if dir==lefttoright then
>>       return nxt,1,1
> Many thanks for your report, Ulrike.
> This was the same problem that prevented the compilation of the
> following code:
>     \setupdirections[bidi=on, method=two]
>     \starttext
>     \input zapf
>     \stoptext
> After your report, Hans fixed the issue 

Well not for generic. I tried yesterday the context state from
2019-01-07 and still have the problem that getdirection is called
somewhere but actually nil. But I don't have the time to investigate
or to try to create a generic example currently. 

Ulrike Fischer 

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