Binary package “x11proto-xinerama-dev” in ubuntu xenial

X11 Xinerama extension wire protocol

 This package provides development headers describing the wire protocol
 for the XINERAMA extension, used to use and manage a multiple-screen
 The terms 'Xinerama' and 'PanoramiX' are generally interchangeable;
 this package used to be named x11proto-panoramix-dev.
 More information about X.Org can be found at:
 This package is built from the xineramaproto proto module.