This is some window manager related functions for use by client
programs, as per the "Inter-Client Communication Conventions Manual"
and some of the Net-WM "Extended Window Manager Hints".

    /usr/share/doc/xorg-docs/icccm/icccm.txt.gz

    http://www.freedesktop.org/wiki/Specifications/wm-spec

Homepage:
https://metacpan.org/release/X11-Protocol
