illegality of multiple reification

Enrico made it clear in https://lists.w3.org/Archives/Public/public-rdf-star-wg/2024Apr/0147.html
that

Is this graph illegal? I would say no.
<< :r | :a :b _:x >> :c :d .
<< :r | :a :b _:y >> :c :d .

and eye is now agreeing with him and there is a very low performance
impact caused by the change https://github.com/eyereasoner/eye/commit/9a5c7522e7374637beec0c94a407fd9b90f60842

It is tested with https://github.com/eyereasoner/eye/blob/master/reasoning/temp/edge.ttl
giving https://github.com/eyereasoner/eye/blob/master/reasoning/temp/edge-output.ttl

Jos

-- https://josd.github.io<https://josd.github.io/>