 | Save | Saves the file being viewed in its current state. |
 | Shrink | Shrinks the token being viewed to make more of it visible. Disabled. |
 | Swell | Undo a prior shrink operation. Disabled. |
 | Show Only Listed Nodes | Displays only node labels on the "Show" list, as created with
the "List" button. |
 | Show All Nodes | Undoes a Show Only operation and displays all nodes. |
 | Node List for Show Only | Requests user to input a "Show" list - a list of node labels for Show Only. |
 | Collapse Node(s) | For previously selected node(s), removes from the display all material
dominated by the node(s). The underlying tree itself is unaffected. Only the display changes. |
 | Expand Node(s) | Expands previously selected and collapsed nodes. |
 | Expand All Nodes | Expands all nodes in the current tree, including nodes with labels on the collapse list. |
 | List of Nodes to Collapse | Asks the user to enter a list of node labels to collapse in the current and subsequently displayed tokens. |
 | Help | Puts up a list of keyboard shortcuts. |
 | Quit Current File | Puts up a quit dialog. The user is prompted to save before quitting. |
 | Quit | Puts up a quit dialog. The user is prompted to save before quitting. |
