% % link to the relative pep based on current pep % % stack: current-pep % % attach the pep seperator to the current tree name % _@ &"#" % % get the hierarchy string for the current node % _\ hier % % eliminate the root node name in creating extended pep name % "\" right$ % % the extended pep name is built from the tree descent hierarchy string % "\" "#" replall & % % stack: current-pep pep-extend % second isnull) not { &"#" } if ^ "peplink" log)( % % stack: extended-pep %