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+2008-06-11 Christian Feuersaenger <ludewich@users.sourceforge.net>
+
+	- added boolean |row predicate| to select table entries.
+	- added macro |\coordindex| inside of \addplot to allow index based
+	  coordinate filters.
+	- added style keys |/pgfplots/skip coords between index| and
+	  |/pgfplots/table/skip rows between index|
+	- added style |dec sep align| for table typesetting.
+
+2008-06-10 Christian Feuersaenger <ludewich@users.sourceforge.net>
+
+	- Fixed several warnings in manual
+	- reimplemented |minor tick num| as style which sets the [xy] variants
+
+2008-06-09 Christian Feuersaenger <ludewich@users.sourceforge.net>
+
+	- Replaced |xfilter| and |yfilter| by code keys |x filter/.code={...}| and
+	|y filter|. Backwards compatibility is checked. Added docs.
+
+2008-06-09 Pascal Wolkotte <wolkottept@users.sourceforge.net>
+
+	- Added |minor x tick num| and |minor y tick num| option
+	- Adjusted section title format in documentation
+	- Filtered x and y tick's if axis x/y line is middle or center
+
+2008-06-07 Christian Feuersaenger <ludewich@users.sourceforge.net>
+
+	- Wrote more documentation, added |every axis plot post| style.
+	- Added |col sep=<space|comma|colon|semicolon|braces>| option for table
+	input.
+
+2008-06-06 Christian Feuersaenger <ludewich@users.sourceforge.net>
+
+	- Added |minor tick num| option
+
+2008-06-05 Pascal Wolkotte <wolkottept@users.sourceforge.net>
+
+	- Added options to choose the drawing of the axis lines
+	- Added options to include a discontinuity decoration on the axis lines
+	- Added options to align ticks with the axis lines
+
+2008-06-03 Christian Feuersaenger <ludewich@users.sourceforge.net>
+
+	- Added options |before end axis/.code| and |after end axis/.code| and
+	|extra description/.code|.
+
+2008-06-02 Christian Feuersaenger <ludewich@users.sourceforge.net>
+
+	- I have replaced all /tikz/ options with /pgfplots/ ones. The
+	documentation is updated to reflect this change. 
+	Backwardscompatibility with \tikzstyle and the old /tikz/every... styles
+	is provided. 
+
+2008-05-31 Christian Feuersaenger <ludewich@users.sourceforge.net>
+
+	- added \pgfnumtabletypeset feature. It is quite sophisticated by now and
+	allows to typeset (selected parts of) numeric tables; rounds each number
+	to desired accuracy and provides number format styles.
+
+2008-05-26 Christian Feuersaenger <ludewich@users.sourceforge.net>
+
+	- added special values 'xtick=data' and 'ytick=data' to collect the first plot's
+	coordinates as tick data.
+
+2008-05-24 Christian Feuersaenger <ludewich@users.sourceforge.net>
+
+	- First version of manual with pgfmanual styles is ready. It is not quite
+	final, but should be enough to communicate with Pascal.
+	- fixed plot expression to work properly.
+
+2008-05-21 Christian Feuersaenger <ludewich@users.sourceforge.net>
+
+	- added useful styles for all bar options.
+
+2008-05-20 Christian Feuersaenger <ludewich@users.sourceforge.net>
+
+	- fixed some issues with stacked plots
+	- added public macros \plotnum and \numplots inside of an axis
+	- added options '[xy] tick label as interval=true|false'
+	- added support for 'ybar interval' plot handler (which I added to PGF
+	recently).
+
+2008-05-19 Christian Feuersaenger <ludewich@users.sourceforge.net>
+
+	- added \closedcycle command for use after \addplot. It connects the
+	current plot with the x-axis to provide fillable plots easily.
+	- added named coordinates 'current plot begin' and 'current plot end'
+
+2008-05-18 Christian Feuersaenger <ludewich@users.sourceforge.net>
+
+	- added support for stacked plots:
+		- stack plots=x|y|false
+		- reverse stacked plots=true|false
+		- stack dir=plus|minus
+	- rewrote some internals
+
+2008-05-12 Christian Feuersaenger <ludewich@users.sourceforge.net>
+	- added 'current plot style' key to \addplot
+	- Added error bar support with fixed absolute/relative errors or explicit
+	  absolute/relative errors for each coordinate.
+	- added plot types for piecewise constant plots
+	- added plot types 'ybar' and 'xbar' with option '/pgf/bar width'
+	- added option 'legend image code'
+	- fixed data scaling trafo: contained possiblity for cancellation of significant
+	  digits
+	- added limited support for \addlegendentry[]{}
+	- removed clipping region for tick line placement
+	- added options
+	  'every axis plot no 1,2,3,4,...'
+	  'every [xy] tick'
+	  'every minor [xy] tick'
+	  'every major [xy] tick'
+	  and the same for s/tick/grid/
+	  and the corresponding '[xy] tick style', 'minor [xy] tick style' ...
+
+2008-04-23 Christian Feuersaenger <ludewich@users.sourceforge.net>
+	Released version 0.98 beta
+	Changes since version 0.92.4:
+	- enlargelimits now works properly for logarithmic axes
+	- added support for plot function (gnuplot interface)
+	- added extra ticks which are drawn on top of the normal ticks
+	- providing x limits will now automatically clip y and vice-versa
+	- added option 'log identify minor tick positions'
+	- added option 'log plot exponent style'
+	- added option 'log number format code' and 'log base 10 number format code'
+	- improved automatic tick placement for log plots
+	   they are now scale dependend as for linear plots.
+	- added 'at' option
+	- cycle list and \legend now accept comma separated lists
+	- added support for plot expression
+	- re-implemented the internal plot representation as pgf node. This improves
+	  the PGF integration:
+		- you can access various axis anchor from outside,
+		- you can easily clip parts of the axis out of the bounding box (useful for
+		  alignment),
+		- you can access named axis descriptions (legends, titles, labels,...)
+
+	- the complete floating point number support has been integrated into PGF 2.0.
+	  That means: there are options 
+	   /pgf/number format/sci
+	   /pgf/number format/fixed
+	   /pgf/number format/....
+	   BUT
+	   numbers are now printed with
+	   \pgfmathprintnumber
+	   NOT 
+	   \prettyprintnumber   [ INCOMPATIBLE ]
+
+	- added option 'scaled ticks'
+	  and associated styles 
+		'every x tick scale label'
+		'every y tick scale label'
+	  and options
+		'x tick scale label style'
+		'y tick scale label style'
+	  and parameters
+		'scale ticks [below,above] exponent'
+
+	- legends have been improved (was \edef, is now better)
+
+	- Any styles can now contain axis options, for example
+		\tikzstyle{every axis legend}+=[legend columns=2]
+	- added option "cycle list"
+	- added option "cycle list name"
+	- added '\addplot plot file {filename}'
+	- added '\addplot plot table[x=colnameA,y=colnameB] {filename}'
+	  and   '\addplot plot table[xindex=numberA,yindex=numberB] {filename}'
+	  and   '\addplot plot table[...] from {\macroname}' in conjunction with
+	  '\numtableread{FILE} to \macroname'
+
+	- eliminated several scopes such that node names for labels, titles and legends
+	  will be known outside of an axis,
+	- added
+		\tikzstyle{every semilogx axis}=[]
+		\tikzstyle{every semilogy axis}=[]
+		\tikzstyle{every loglog axis}=[]
+		\tikzstyle{every linear axis}=[]
+	- added option 'legend style'
+	- added option 'label style'
+	  added option 'x label style'
+	  added option 'y label style'
+	  added option 'grid style'
+	  added option 'tick style'
+	  and the same for all 'every ...' styles.
+	  added option 'style=' option
+
+
+2008-02-01 Christian Feuersaenger <ludewich@users.sourceforge.net>
+	Released version 0.92.4
+	Changes since version 0.92:
+	** UPGRADE INCOMPATIBILITIES **
+	- Warning: I have greatly improved the legend placement.
+	  If you have overwritten 
+		\tikzstyle{every axis legend}
+	  you will need to update the legend!
+	- renamed 'manual.pdf' to 'pgfplots.pdf' to allow 
+		'texdoc pgfplots'
+	- any \axispath commands need to use the 'axis cs' coordinate system.
+
+	Improvements:
+	- introduced a data scale transformation:
+	  know, pgfplots is no longer restricted to numbers within 
+	  TeX's limited precision.
+	  It can produce plots with numbers of order O(10^10) or O(10^-10) (now even for non-logarithmic plots)
+	- fixed a bug which did not allow scientific notation for normal plots,
+	- improved default tick placement for normal plots,
+	- enlargelimits option is now relative and has a better user interface,
+	- legends are now TikZ matrizes, which fixes some bugs and improves their
+	  flexibility.
+	- Added the 'legend columns' option.
+	- Added the 'legend plot pos' option.
+	- Added the 'hide axis' option
+	- Added the 'scale only axis' option
+	- Added the 'xticklabels=LIST' and 'yticklabels=LIST' options
+	- Added anchors to axes to allow horizontal/vertical alignment
+	- rounded tick labels to \prettyprintnumberprecision digits
+	- Added 'grid=major|minor|both|none' option for grid lines
+	- Added '[xy]minorgrids',  '[xy]majorgrids' options and corresponding styles
+	- Added '[xy]majorticks', 'ticks=major|minor|both|none' options ticks