Makes the specified page depend on the specified [[PageSpec]].
-#### `pagespec_match($$)`
+#### `pagespec_match($$;$)`
-Passed a page name, and a [[PageSpec]], returns true if the [[PageSpec]]
-matches the page.
+Passed a page name, a [[PageSpec]], and the location the [[PageSpec]] should
+be matched against, returns true if the [[PageSpec]] matches the page. (If
+the third parameter is not passed, relative PageSpecs will match relative to
+the top of the wiki.)
#### `bestlink($$)`