x11proto-scrnsaver-dev 1.2.0-2 (i386 binary) in ubuntu lucid

 This package provides development headers describing the wire protocol
 for the MIT-SCREEN-SAVER extension, used to notify the server of client
 screen saver events.
 .
 More information about X.Org can be found at:
 <URL:http://www.X.org>
 <URL:http://xorg.freedesktop.org>
 <URL:http://lists.freedesktop.org/mailman/listinfo/xorg>
 .
 This package is built from the X.org scrnsaverproto proto module.