Package: xfs
Version: 1:1.0.1-5
Severity: normal
README.Debian says
Newcomers to the X Window System should first read the Debian X FAQ
(Frequently Asked Questions list): /usr/share/doc/x11-common/FAQ.gz.
You can view this file with your favorite pager program after decompressing
it. For example:
$ zcat /usr/share/doc/x11-common/FAQ.gz | pager
But there is no such file.