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isn't this bug duplicate of bug 820030 ?

The seem very similar but it is filed against separate subscription-manager modules -- each with different strings.

The fix for both will likely be the same.

commit aa2020706aedac193f5f869f16610c43694ac3c5
Author: Adrian Likins <alikins>
Date:   Wed May 9 11:39:29 2012 -0400

    820040,820037,820030: don't break multibyte help blurbs
    
    Add a optparse.HelpFormatter subclass that includes
    a version of format_option that does not try to split
    long words.This behavior is broken for multibyte cases.
    
    This includes code cut&paste from optparse.py in
    the python dist.

Should show up in 0.99.18

Verified, it's fixed on subscription-manager-0.99.18-1.el6.x86_64.

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.

http://rhn.redhat.com/errata/RHBA-2012-0804.html