The Parse Tree display is a tool for viewing the results of pattern matching by an analyzer.
NEW! Double-clicking on a node now brings up the pass file and rule that created that node. This is a substantial debugging aid, and also empowers a faster mode of development in which the Logs Toggle is turned off (so that analysis of a text is faster).
Clicking on the "+" in front of a node displays its subtree. Conversely, clicking on the "-" in front of a node hides its subtree.