SingleLeftMiddleRight 
Plain: SelectJoint SelectSegment ExtendSelect
Shift: CaretPos AddLine AddBezier
Ctrl: Drag Rotate Scale
Ctrl-Shift: DeselectJoint DeselectSegment (ExtendDesel) 
DoubleLeft Middle Right 
Plain: SelectTopLevl SelectTraj SelectWithBox
Shift: NoOp Two AddLines AddBox
Ctrl:  CopyAndDrag NoOp Skew
Ctrl-Shift:  DeseleTopLevl DeselectTraj NoOp
MetaLeftMiddleRight 
Plain: ExtSelJoint ExtSelSegment ExtendSelect
Meta DoubleLeft Middle Right 
Plain: ExtSelTopLevl ExtSelTraj SelectWithBox
Keyboard Ctrl Ctrl-Shift Shift Plain
A: Drop Anchor Lift Anchor
B: Back Front
C: Cluster Uncluster
D: Select All Deselect All
G: GravityForwardGravityBackward
H: AddHoles RemoveHoles
J: AddJoint NoOp
N: CycleSelection UncycleSelection
P: AddControlPoint DeleteControlPoint
Q: ToggleAlignments KillAlignments
S: MakeHot MakeCold 
DoubleS: MakeAllHot MakeAllCold 
W: WeldOrBackword WeldOrBackword
BS ---------- DeleteCaretSeg ------------- Backspace
SP ---------- ToggleGravity ------------- Space
U: Select Forward Shrink Forward
I: Grow Selection Grow Selection
O: Select Backward Shrink Backward
DEL ------- Abort Interactive Operation ------ Delete Obj
LF ------- Interpress Snapshot ------------------------
CR ------- CloseCaretTraj ----------------- Newline
Look   
x IN [0..9]line width x for selected objects
Acurve style ARC for selected objects
Bcurve style B—SPLINE for selected objects
Ccurve style CONIC (e=0.7) for selected objects
Kmake selected BEZIER constrained
Lcurve style LINE for selected objects
Ncurve style NATURAL SPLINE for selected objects
Zcurve style BEZIER for selected objects