NOTE: Wait for the popup window to show, and then press a key.

• For example, pressing d, returns:

  Press combination of keys or/and click under the window.
  You can use one of the two lines after "NoCommand"
  in $HOME/.xbindkeysrc to bind a key.
  "(Scheme function)"
      m:0x0 + c:40
      d

• This returns d. which can be used to refer to this key press.

NOTE: Some keycodes cover special characters.

• For example, pressing PAGE_DOWN, returns:

  Press combination of keys or/and click under the window.
  You can use one of the two lines after "NoCommand"
  in $HOME/.xbindkeysrc to bind a key.
  "(Scheme function)"
      m:0x0 + c:117
      Next

• This returns Next. which could be used to refer to this key press.

A list of other Special Keys include (case sensitive):

• Home, End
  Left, Up, Right, Down
  Page_Up, Page_Down
  Return
  BackSpace
  Tab
  Escape
  Delete
  Shift_L, Shift_R
  Control_L, Control_R
  Meta_L, Meta_R
  Alt_L, Alt_R 
  F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12
  grave
  numbersign
  apostrophe
  bracketleft, bracketright
  backslash, slash
  Caps_Lock

NOTE: Some keycodes are special, known as modifiers, including:

• Release, Control, Shift, Mod1 (Alt), Mod2 (NumLock),
• Mod3 (CapsLock), Mod4, Mod5 (Scroll).

• The release modifier catches release events instead of press events,

• By default, some modifiers are ignored by xbindkeys, including NumLock, CapsLock and ScrollLock.

NOTE: Wait for the popup window to show, and then press a key.

• Continue pressing other keys as required.
• Press q to quit.