1: Ruby is copyrighted free software by Yukihiro Matsumoto <matz@netlab.jp>.
    2: You can redistribute it and/or modify it under either the terms of the GPL
    3: version 2 (see the file GPL), or the conditions below:


guest: ruby/1.9.0/COPYING:1-3 on Mon Jan 07 13:56:06 +0900 2008


Copyright notice


    4: 
    5:   1. You may make and give away verbatim copies of the source form of the
    6:      software without restriction, provided that you duplicate all of the
    7:      original copyright notices and associated disclaimers.
    8: 
    9:   2. You may modify your copy of the software in any way, provided that
   10:      you do at least ONE of the following:
   11: 
   12:        a) place your modifications in the Public Domain or otherwise
   13:           make them Freely Available, such as by posting said
   14:           modifications to Usenet or an equivalent medium, or by allowing
   15:           the author to include your modifications in the software.
   16: 
   17:        b) use the modified software only within your corporation or
   18:           organization.
   19: 
   20:        c) give non-standard binaries non-standard names, with
   21:           instructions on where to get the original software distribution.
   22: 
   23:        d) make other distribution arrangements with the author.
   24: 
   25:   3. You may distribute the software in object code or binary form,
   26:      provided that you do at least ONE of the following:
   27: 
   28:        a) distribute the binaries and library files of the software,
   29:           together with instructions (in the manual page or equivalent)
   30:           on where to get the original distribution.
   31: 
   32:        b) accompany the distribution with the machine-readable source of
   33:           the software.
   34: 
   35:        c) give non-standard binaries non-standard names, with
   36:           instructions on where to get the original software distribution.
   37: 
   38:        d) make other distribution arrangements with the author.
   39: 
   40:   4. You may modify and include the part of the software into any other
   41:      software (possibly commercial).  But some files in the distribution
   42:      are not written by the author, so that they are not under these terms.
   43: 
   44:      For the list of those files and their copying conditions, see the
   45:      file LEGAL.
   46: 
   47:   5. The scripts and library files supplied as input to or produced as 
   48:      output from the software do not automatically fall under the
   49:      copyright of the software, but belong to whomever generated them, 
   50:      and may be sold commercially, and may be aggregated with this
   51:      software.
   52: 
   53:   6. THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
   54:      IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
   55:      WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   56:      PURPOSE.