[NTG-context] "true" units in LuaMetaTeX

[Hans Hagen]

On 10/27/2022 10:22 AM, Max Chernoff via ntg-context wrote:
> 
> Hi Hans,
> 
>> Anyway, I'll check it. Is anyone still using this "true" actually?
> 
> I've been playing around with LuaMetaLaTeX/LuaMetaPlain recently
> 
>     https://github.com/zauguin/luametalatex
>     
> and plain.tex uses truein for typesetting the footnote rule. It's trivial
> to fix that specific case, but I'm finding 140 other files in TeX Live that
> use the "true" dimensions, 69 of which that have been updated in the past 3
> years. I doubt that anyone in ConTeXt uses the "true" dimensions though.
well, we can keep it as depricated feature (as there is no measurable 
overhead when it's not used) .. although i might come up with some plain 
mode in lmtx (when i'm really bored as it makes little sense) i'm not 
going to worry much about / cq. follow old-school usage and 
compatibility wrt dvi driver related features (i'm not even sure if 
luametatex makes sense for other macro packages but we'll see, these 
things happens outside my scope anyway)

Hans

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