new license?

[Emmanuel Dreyfus <manu%netbsd.org@localhost>]

Hello

In what case should a new license be added in pkgsrc/licenses/ ?
I have the case of mod_encoding, which is a 5-clause BSD that does
not match anything as far as I can tell. Should I add it? Under
what name?

Here is it:
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Copyright (c) 2000-2002
Internet Initiative Japan Inc. All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:

1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer. 

2. Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in
   the documentation and/or other materials provided with the
   distribution.

3. All advertising materials mentioning features or use of this
   software must display the following acknowledgment:

     This product includes software developed by Internet
     Initiative Japan Inc. for use in the mod_encoding module
     for Apache.

4. Products derived from this software may not be called "mod_encoding"
   nor may "mod_encoding" appear in their names without prior written
   permission of Internet Initiative Japan Inc. For written permission,
   please contact tai%iij.ad.jp@localhost (Taisuke Yamada).

5. Redistributions of any form whatsoever must retain the following
   acknowledgment:

     This product includes software developed by Internet
     Initiative Japan Inc. for use in the mod_encoding module
     for Apache (http://www.apache.org/).

THIS SOFTWARE IS PROVIDED BY INTERNET INITIATIVE JAPAN INC. ``AS IS''
AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTERNET
INITIATIVE JAPAN INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
OF THE POSSIBILITY OF SUCH DAMAGE.
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-- 
Emmanuel Dreyfus
manu%netbsd.org@localhost