File and display buttons

The file buttons are for saving the working file and quitting the program. The display buttons allow the user to alter the display to make working on the token easier. When nodes are collapsed, only the root of the collapsed subtree is visible.
SaveSaves the file being viewed in its current state.
ShrinkShrinks the token being viewed to make more of it visible. Disabled.
SwellUndo a prior shrink operation. Disabled.
Show Only Listed NodesDisplays only node labels on the Show list.
Show All NodesUndoes a Show Only operation and displays all nodes.
Node List for Show OnlyRequests user to input a list of node labels for Show Only.
Collapse Node(s)Collapses previously selected node or nodes.
Expand Node(s)Expands previously selected and collapsed nodes.
Expand All NodesExpands all nodes in the current tree, including nodes with labels on the collapse list.
List of Nodes to CollapseAsks the user to enter a list of node labels to collapse in the current and subsequently displayed tokens.
HelpPuts up a list of keyboard shortcuts.
Quit Current FilePuts up a quit dialog. The user is prompted to save before quitting.
QuitPuts up a quit dialog. The user is prompted to save before quitting.