Hello Wolfgang,
Thanks for the detailed explanation.
> The \type{tex.dimen} function allows us to access the dimen register from
> \TEX\ in Lua.
A small correction: it's not a function, it really behaves like a
table in Lua. You can use both the register number, or the symbolic
name (as defined by \dimendef, if applicable), as a key to the table.
Arthur
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