Cheatsheet

Description for the most important functions:

Function	Commando
add node	Doubleclick on any place or click the green plus-icon ENTER adds a node to the same layer INSERT adds a childnode
delete nodes	CTRL + click on the node press DELETE or click the red minus-sign CTRL + D deletes a node and all of his child-nodes
Undo and Redo	CTRL + Z and CTRL + Y or use the icons
Autocomplete-Node	press END