help.txt

Control
Mouse Middle - 	set point as node
Mouse Left- 	set point as selected
Mouse Right - 	set point as pressed
Keyboard N -	add point
Keyboard Y -	add curve

Select/press multiple points
hold left ctrl and click Mouse Left/Right
or
hold left shift and drag pressed Mouse Left/Right
press F1 to set all point as pressed
press F2 to set all point as selected

Creating a curve
press two points and set one point as node, then press Space

Moving points
select points, hold Left Ctrl and drag with Mouse Left

Deleting points
press points and press Delete or X