GNUPLOT VERSION 4.2.2
	    ===================================

Version 4.2.2 is an incremental bug-fix release for version 4.2.0.
A synopsis of the changes since 4.2.0 is given below and in the NEWS file.
Full information is given in the ChangeLog.

New features, changes and fixes since gnuplot version 4.2.0
===========================================================
* NEW allow extra column in 2D plots containing color information
* NEW set term latex {size XX,YY}
* FIX buffering of very long input lines
* FIX clipping of image data against plot boundary
* FIX polygon clipping bugs
* FIX key sample for plots with variable color
* FIX wxt initialization on non-gnu systems
* FIX escape sequence %% handling in sprintf() format strings
* FIX Apply "set style incr user" to 3D contours and to histograms
* FIX Apply "set key {no}enhanced" to key titles read from a file
* FIX Allow string variable as filename for "fit via <filename>"
* CHANGE defer x11 initialization until first plot command
* CHANGE clean up configuration files for amg, cyg, mgw, dj2
* CHANGE modify SVG output to accommodate non-compliant viewers
* CHANGE allow 'strcol()' as shorthand for 'stringcolumn()'
* CHANGE default to "blacktext" for TeX-based PostScript variants


Demo plots illustrating these and other features are online at

	http://gnuplot.sourceforge.net/demo_4.2/

You can download a source tarball for gnuplot version 4.2.1 from the 
gnuplot development site on SourceForge.

	http://sourceforge.net/project/showfiles.php?group_id=2055


Installation
------------
Installation instructions are available in the source itself; the short
version for linux/unix-like systems is to unpack the tarball and then
build it:
		cd gnuplot-4.2.1 ; ./configure ; make
test it:
		make check
install it:
		make install


Known issues
------------
- Plot styles image and rgbimage are EXPERIMENTAL; their implementation
  is incomplete and may change in future versions of gnuplot
- Internationalization and locale support is incomplete in this version.
  If you encounter problems with character encodings, numerical formats,
  or other locale issues, try the CVS version on SourceForge.

Support
-------
Please report all bugs and installation problems to the bug tracker
on SourceForge:

	http://sourceforge.net/tracker/?group_id=2055&atid=102055

There is also an active gnuplot discussion forum on usenet group

	comp.graphics.apps.gnuplot

Development
-----------
Gnuplot development is quite active. The development branch (4.3) on 
SourceForge contains preliminary implementations of many new features.
Feedback and contributions of code are very welcome.
-- 
Ethan A Merritt