This is surely a bug in xorg-x11-fonts. it has been fixed in Fedora by:
Author: Adam Jackson <email@example.com>
Date: Fri Dec 8 18:44:33 2006 +0000
- Create encodings.dir containing entries for both
need to backport it for rhel6.
xorg-x11-fonts-7.2-11.el6 is available in brew
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.