"parent" | dontrecurse="on" : By default recurses up tree, this has some cost. nowebhome="on" : Suppress WebHome. prefix="..." : Prefix that goes before parents, but only if there are parents, default "" . format="..." : format string used to display each partent topic, default "[[$web.$topic][$topic]]" suffix="..." : Suffix, only appears if there are parents, default "" . separator="..." : Separator between parents, default " > " . | Generates the parent link |