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 version 2.

On Debian systems the full text of the GNU General Public License version 2 can
be found in `/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.