User:Pi zero/Archives/show tree/doc

This is a documentation subpage for User:Pi zero/Archives/show tree (see that page for the user template itself).
It contains usage information, categories and other content that is not part of the original user template page.

Usage

This template shows a category hierarchy on User:Pi zero/Archives. It takes three parameters:

a wikilisp data structure describing the hierarchy;
an integer word identifying which search position to use for a category selected from this hierarchy — one, two, or three; and
an anchor to use when altering this hierarchy, default unanchored.