Single    Left    Middle    Right    
      Plain:    SelectJoint    SelectSegment    ExtendSelect
      Shift:    CaretPos    AddLine    AddBezier
      Ctrl:    Drag    Rotate    Scale
      Ctrl-Shift:    DeselectJoint    DeselectSegment    (ExtendDesel)    

Double    Left    Middle    Right    
      Plain:    SelectTopLevl    SelectTraj    SelectWithBox
      Shift:    NoOp    Two AddLines    AddBox
      Ctrl:     CopyAndDrag    NoOp    Skew
      Ctrl-Shift:     DeseleTopLevl    DeselectTraj    NoOp

Meta    Left    Middle    Right    
      Plain:    ExtSelJoint    ExtSelSegment    ExtendSelect

Meta Double    Left    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:    GravityForward    GravityBackward
      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
      A    curve style ARC for selected objects
      B    curve style BSPLINE for selected objects
      C    curve style CONIC (e=0.7) for selected objects
      K    make selected BEZIER constrained
      L    curve style LINE for selected objects
      N    curve style NATURAL SPLINE for selected objects
      Z    curve style BEZIER for selected objects