Reference for unit 'keyboard': Procedures and functions

`DoneKeyboard`		Deactivate keyboard driver.
`FunctionKeyName`		Return string representation of a function key code.
`GetKeyboardDriver`		Return the current keyboard driver record.
`GetKeyEvent`		Get the next raw key event, wait if needed.
`GetKeyEventChar`		Get the character key part of a key event.
`GetKeyEventCode`		Translate function key part of a key event code.
`GetKeyEventFlags`		Extract the flags from a key event.
`GetKeyEventShiftState`		Return the current state of the shift keys.
`GetKeyEventUniCode`		Return the Unicode key event.
`InitKeyboard`		Initialize the keyboard driver.
`IsFunctionKey`		Check whether a given event is a function key event.
`KeyEventToString`		Return a string describing the key event.
`KeyPressed`		Check event queue for key press
`PollKeyEvent`		Get next key event, but does not wait.
`PollShiftStateEvent`		Check current shift state.
`PutKeyEvent`		Put a key event in the event queue.
`SetKeyboardDriver`		Set a new keyboard driver.
`ShiftStateToString`		Return description of key event shift state
`TranslateKeyEvent`		Translate raw event to ascii key event
`TranslateKeyEventUniCode`		Translate raw event to UNICode key event