in reply to Positions of certain tokens in syntax tree

I have a faint idea what you mean, but it would be much easier if you provided some examples and links.

Such illustrations help to avoid misunderstandings and speculative answers.

Please see also Short, Self-Contained, Correct Example

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery FootballPerl is like chess, only without the dice

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