Oh, I found something about in the archive!

Am 29.10.23 um 11:37 schrieb Thomas Meyer:
> Hi,
> I'm new to ConTeXt and try to use the module typearea 
> (https://modules.contextgarden.net/cgi-bin/module.cgi/action=find/name=typearea).
> But the example doesn't work:
>
> \usemodule[typearea]
> \setupTypeArea[bcor=0mm,alphabets=3.1]
> \setuppagenumbering[alternative=doublesided]
> \starttext
> \dorecurse4{\framed[width=\textwidth,height=\textheight]{test}\page}
> \stoptext
>
> I got:
>
> texmf-dist/tex/context/third/typearea/t-typearea.tex'
> loading         > Something like KOMA-TypeArea
> tex error       > tex error on line 89 in file 
> /usr/local/texlive/2023/texmf-dist/tex/context/third/typearea/t-typearea.tex: 
> Missing number, treated as zero
>
>
>
> <to be read again>
>
>     {
> <macro> \TA@alphabets
>      \par \PageWidth =\dimexpr \paperwidth -\TA@bcor \relax \par \edef 
> \Ratio {\withoutpt {
>     \the \dimexpr 2\paperheight /(\PageWidth /32768)\relax }} \par 
> \setbox \scratchbox \hbox {\dorecurse {26}{\character \recurselevel }} 
> \Width =\dimexpr \TA@alphabet
> <line 5.89>
>     \setupTypeArea[bcor=0pt,oneside=no,alphabets=2.6]
>
> 79          height=\the\Height,
> 80          width=\the\Width,
> 81          header=2\lineheight,
> 82          headerdistance=\lineheight,
> 83          footer=2\lineheight,
> 84          footerdistance=3\lineheight,
> 85          topspace=\Top]
> 86     }
> 87     \protect
> 88
> 89 >>  \setupTypeArea[bcor=0pt,oneside=no,alphabets=2.6]
> 90
> 91     \doifnotmode{demo}{\endinput}
> 92
> 93     %D Usage example:
> 94     \usemodule[typearea]
> 95     \setupTypeArea[bcor=0mm,alphabets=3.1]
> 96     \setuppagenumbering[alternative=doublesided]
> 97     \starttext
> 98 \dorecurse4{\framed[width=\textwidth,height=\textheight]{test}\page}
> 99     \stoptext
> A number should have been here; I inserted '0'. (If you can't figure 
> out why I
> needed to see a number, look up 'weird error' in the index to The 
> TeXbook.)
> mtx-context     | fatal error: return code: 1
>
>
> Line 89 in the module should be the problem. But how can I solve it? I 
> think some lines in the module should be commented out. (An example 
> directly in the module?)
>
> I thank you for any hint.
>
> Greetings
> Thomas
>
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