Font exception to GPL

As a special exception, if you create a document which uses
this font, and embed this font or unaltered portions of this
font into the document, this font does not by itself cause
the resulting document to be covered by the GNU General Public
License. This exception does not however invalidate any other
reasons why the document might be covered by the GNU General
Public License. If you modify this font, you may extend this
exception to your version of the font, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version.