[luatex] node.new does not accept subtype as string

Hans Hagen j.hagen at xs4all.nl
Thu Apr 19 15:12:27 CEST 2018

On 4/19/2018 1:15 PM, Henri Menke wrote:
> Dear list,
> I was trying to dissect math lists and insert my own trash there.
> According to the LuaTeX manual for node.new one can supply id and
> subtype as strings.  That means that this
>     node.new(18,5)
> should be equivalent to
>     node.new("noad","rel")
> Unfortunately this does not create a noad of subtype rel but subtype
> ord.  It seems as if the numbers of the subtypes correspond to their
> index in node_subtypes_noad in texnodes.w.


will give you back the subtypes and numbers

> I just wonder, is this a bug or am I doing it wrong?  A non-working
> minimal example can be found below.
not a bug .. the subtype field is only used when allocating a whatsit 
because these are different (memory wise) per subtype

so, for your noad you need

n.subtype = 5 -- rel


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