Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE. 

This program 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 program 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.

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

 1. You may make and give away verbatim copies of the source form of the
    software without restriction, provided that you duplicate all of the
    original copyright notices and associated disclaimers.

 2. You may modify your copy of the software in any way, provided that
    you do at least ONE of the following:

      a) place your modifications in the Public Domain or otherwise
         make them Freely Available, such as by posting said
  modifications to Usenet or an equivalent medium, or by allowing
  the author to include your modifications in the software.

      b) use the modified software only within your corporation or
         organization.

      c) rename any non-standard executables so the names do not conflict
  with standard executables, which must also be provided.

      d) make other distribution arrangements with the author.

 3. You may distribute the software in object code or executable
    form, provided that you do at least ONE of the following:

      a) distribute the executables and library files of the software,
  together with instructions (in the manual page or equivalent)
  on where to get the original distribution.

      b) accompany the distribution with the machine-readable source of
  the software.

      c) give non-standard executables non-standard names, with
         instructions on where to get the original software distribution.

      d) make other distribution arrangements with the author.

 4. You may modify and include the part of the software into any other
    software (possibly commercial).  But some files in the distribution
    are not written by the author, so that they are not under this terms.

    They are gc.c(partly), utils.c(partly), regex.[ch], st.[ch] and some
    files under the ./missing directory.  See each file for the copying
    condition.

 5. The scripts and library files supplied as input to or produced as 
    output from the software do not automatically fall under the
    copyright of the software, but belong to whomever generated them, 
    and may be sold commercially, and may be aggregated with this
    software.

 6. THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
    IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
    PURPOSE.