These fonts are free software.
Unlimited permission is granted to use, copy, and distribute it, with
or without modification, either commercially and noncommercially.
THESE FONTS ARE PROVIDED "AS IS" WITHOUT WARRANTY.

(In Japanese)
これらのフォントはフリー（自由な）ソフトウエアです。
あらゆる改変の有無に関わらず、また商業的な利用であっても、自由にご利用、
複製、再配布することができますが、全て無保証とさせていただきます。 

This package is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This package is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>

On Debian systems, the complete text of the GNU General
Public License version 2 can be found in "/usr/share/common-licenses/GPL-2".