X11 authorisation library (development headers) This package provides the main interface to the X11 display manager control protocol library, which allows for remote logins to display managers. This package contains the development headers for the library found in libxdmcp6. Non-developers likely have little use for this package. More information about X.Org can be found at: <URL:http://xorg.freedesktop.org> <URL:http://lists.freedesktop.org/mailman/listinfo/xorg>