libXau: libXau (Sample Authorization Protocol for X)
libXau:
libXau: This is a very simple mechanism for providing individual access to 
libXau: an X Window System display.It uses existing core protocol and library 
libXau: hooks for specifying authorization data in the connection setup block 
libXau: to restrict use of the display to only those clients that show that 
libXau: they know a server-specific key called a "magic cookie."
libXau:
libXau:
libXau:
libXau: