Re: Minimals - problems with format: metafun.mp

[Hans Hagen <pragma@wxs.nl>]

Peter Rolf wrote:
> Johannes Graumann schrieb:
>> Hello,
>>
>> In a bit to finally get Wolfgang's present to me (see XML thread somewhere) finally compiled, I update my minimals via the first-install.sh script and run "luatools --generat && context --make" afterwards. Now I get the  error below. Where might I err?
>>
>> Thanks, Joh
>>
>> context --version
>> MtxRun | main context file: /opt/ConTeXtMinimals/tex/texmf-context/tex/context/base/context.tex
>> MtxRun | current version: 2008.10.31 13:58
>>
>> systems        : randomizer starts with 1392096869
>> mplib          : making format: metafun.mp, name: /opt/ConTeXtMinimals/tex/texmf-cache/luatex-cache/context/cf1ede6f9a7dea65673b0113ca44a3cc/formats/cont-en-metafun.mem
>> mplib          : problems with format: metafun.mp, name: /opt/ConTeXtMinimals/tex/texmf-cache/luatex-cache/context/cf1ede6f9a7dea65673b0113ca44a3cc/formats/cont-en-metafun.mem
>> ! LuaTeX error ...mals/tex/texmf-context/tex/context/base/mlib-pps.lua:384: 'for' initial value must be a number
>> stack traceback:
>>         ...mals/tex/texmf-context/tex/context/base/mlib-pps.lua:384: in function 'free_boxes'
>>         ...mals/tex/texmf-context/tex/context/base/mlib-pps.lua:768: in function 'graphic_base_pass'
>>         ...mals/tex/texmf-context/tex/context/base/mlib-ctx.lua:19: in function 'graphic'
>>         <main ctx instance>:1: in main chunk.
>> \processMPgraphic ... \MPuserinclusions ;\!!es ) }
>>                                                   \global \settrue \METAFUNi...
>> \getMPdrawing ...ic \expandafter {\MPdrawingdata }
>>                                                   \fi
>> \dopositionaction ...fMPdrawingdone \getMPdrawing
>>                                                   \fi \resetMPdrawing \popMP...
>> <argument> ...n {\v!text -1::\MPanchoridentifier }
>>                                                   \hss }\ht \scratchbox \ove...
>> \firstoftwoarguments #1#2->#1
>>
>> \positionoverlay ...hbox to \overlaywidth {\hss }}
>>                                                   \vfill }\fi
>> ...
>> l.72   \stoptext
>>
>> ?
>>
> The loop variables metapost.first_box and metapost.last_box are not
> defined. You can try to remove the comment in line 376 of mlib-pps.lua.
> 
> [376] metapost.first_box, metapost.last_box = 1000, 1100

you can make that

metapost.first_box       = metapost.first_box or 1000
metapost.last_box        = metapost.last_box or 1100

but even then, these vars are set in

mlib-pps.tex 61:   {\ctxlua{metapost.first_box, metapost.last_box = 
\number\MPLIBfirst, \number\MPLIBlast}}

so, it more looks like you have a faulty format file

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                                           Hans Hagen | PRAGMA ADE
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