[luatex] managing user_defined whatsit nodes

Stephan Hennig mailing_list at arcor.de
Tue Nov 6 18:09:24 CET 2012


user-defined whatsit nodes (see sec. in luatexref-t.pdf) are an
alternative to attributes for storing information in a node list.  But
how does a user (package writer) tell between his user-defined whatsit
nodes and third party user-defined whatsit nodes?  Is there a way to
allocate at run-time a unique identifier to mark nodes, similar to the
attribute allocation mechanism provided by package luatexbase?

Best regards,
Stephan Hennig

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