x11proto-fixes-dev 1:5.0-2ubuntu2 (i386 binary) in ubuntu trusty

 This package provides development headers describing the wire protocol
 for the Fixes extension, which contains a few small extensions to the
 X protocol, including a Region type.
 .
 More information about X.Org can be found at:
 <URL:http://www.X.org>
 .
 This package is built from the X.org fixesproto proto module.