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pst-bar.tex -------------------
v 0.93 2022/09/10
fix for catcode setting in the tex file (hv)
v 0.92 2008/11/26
some more improvements to the code (hv)
v 0.91 2008/04/16
Bar labels now set within parboxes to keep them from becoming too
long or overlapping with neighboring labels. New keys
``labelalign'' and ``labelwidth'' added to control this behavior.
WARNING: These new features are not yet fully tested!
v 0.9 2005/10/07
Code now uses pst-xkey instead of pst-keyval for managing keys.
v 0.8 2005/02/13
Adjusted the code for stacked bar styles so the Postscript code argument to
\psbarscale so the Postscript code is only applied to the bottom bar.
v 0.7a 2004/09/24
Removed some debugging code that was accidentally left in the last release.
The removed code was harmless, but caused confusion for some users.
v 0.7 2004/09/15
Made a minor change to \psbarscale so its functionality would be more
closely analogous to the \pstScale command from the pstricks-add pacakge.
Improved documentation. Set default barstyle to list of all available
barstyles. First release to CTAN.
v 0.6 2004/09/09
Added orientation parameter and horizontal bar-drawing capability. Removed
erroneous correction factor for linewidth from stacked bar chart.
v 0.5 2004/09/02
Added header parameter for \readpsbardata. Improved handling of headers in
the data file -- spaces may now be included in a header item, though commas
still may not.
v 0.4 2004/08/29
Added "block" chartstyle. Updated \readpsbardata to use .csv for both
header and data. Introduced \psbarscale command. First release to pstricks
mailing list, 2004/09/01.
v 0.3 2004/08/26
Added command \readpsbardata to read data for bar chart directly from a
.csv file with the first row containing the column labels.
v 0.2a 2004/08/23
Changed colsep parameter name to barcolsep to avoid clash with psmatrix.
v 0.2 2004/08/22
Added stacked bar chart, chartstyle parameter, and introduced pst-bar.pro
prologue with transpose command.
v 0.1 2004/08/21
Clustered bar chart.
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