Re^4: program that counts all the vertices in a given tree

in reply to Re^3: program that counts all the vertices in a given tree
in thread program that counts all the vertices in a given tree

FWIW , source code is meant to be shared/modified, see http://pleac.sourceforge.net/pleac_perl/referencesandrecords.html

Comment on Re^4: program that counts all the vertices in a given tree

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