text: Xdelta 3.x readme.txt
  Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
  2009, 2010, 2011, 2012, 2013, 2014, 2015
  <josh.macdonald@gmail.com>
  
  
  Thanks for downloading Xdelta!
  
  This directory contains the Xdelta3 command-line interface (CLI) and source
  distribution for VCDIFF differential compression, a.k.a. delta
  compression. The latest information and downloads are available here:
  
    http://xdelta.org/
    http://github.com/jmacd/xdelta/
  
  Xdelta can be configured to use XZ Utils for secondary compression:
  
    http://tukaani.org/xz/
  
  The command-line syntax is detailed here:
  
    https://github.com/jmacd/xdelta/blob/wiki/CommandLineSyntax.md
  
  Run 'xdelta3 -h' for brief help.  Run 'xdelta3 test' for built-in tests.
  
  Sample commands (like gzip, -e means encode, -d means decode)
  
    xdelta3 -9 -S lzma -e -f -s OLD_FILE NEW_FILE DELTA_FILE
    xdelta3 -d -s OLD_FILE DELTA_FILE DECODED_FILE
  
  File bug reports and browse open support issues here:
  
    https://github.com/jmacd/xdelta/issues
  
  The source distribution contains the C/C++/Python APIs, Unix, Microsoft VC++
  and Cygwin builds.  Xdelta3 is covered under the terms of the APL, see
  LICENSE.
  