Copyright (c) 2007-2009 Glenn Rempe

This software is distributed under the Ruby License. A copy of which is provided below.

RUBY LICENSE

http://www.ruby-lang.org/en/LICENSE.txt

Ruby is copyrighted free software by Yukihiro Matsumoto matz@netlab.co.jp. You can redistribute it and/or modify it under either the terms of the GPL (see COPYING.txt file), or the conditions below:

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.