[Fedora-legal-list] perl-DBD-InterBase license

[Petr Šabata]

Dear list,

I'm reviewing perl-DBD-InterBase [1] which uses the standard Perl
license.  However, it includes the following special exception:

  You may distribute under the terms of either the GNU General
  Public License or the Artistic License, as specified in the
  Perl README file, with the exception that it cannot be placed
  on a CD-ROM or similar media for commercial distribution
  without the prior approval of the author.

Is this acceptable with or even without the author's explicit
approval?

Thank you for your insight,
Petr

[1] https://bugzilla.redhat.com/show_bug.cgi?id=951873
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