I was doing some initial testing on Ubuntu Hardy 8.04, set to release soon. I got an error trying to 'man rexx' as follows:
mdlueck@eve:~$ rexx -v
Open Object Rexx Interpreter Version 3.2.0 for LINUX
Build date: Oct 30 2007
Copyright (c) IBM Corporation 1995, 2004.
Copyright (c) RexxLA 2005-2007.
All Rights Reserved.
This program and the accompanying materials
are made available under the terms of the Common Public License v1.0
which accompanies this distribution.
Syntax is "rexx [-v] filename [arguments]"
or "rexx [-e] program_string [arguments]".
mdlueck@eve:~$ which rexx
mdlueck@eve:~$ man rexx
man: warning: /usr/share/man/man1/rexx.1 is a dangling symlink
No manual entry for rexx
See 'man 7 undocumented' for help when manual pages are not available.