Gnuplot 5.4.7 release tarball available for testing

I have placed a pre-release tarball of 5.4.7 on the testing area of SourceForge

    https://sourceforge.net/projects/gnuplot/files/gnuplot/testing/gnuplot-5.4.7testing.tar.gz

The number of bug fixes is surprisingly large, given how late this is in the
5.4 series. Many of these bugs date back to earlier versions of gnuplot but
either were not reported or not considered fixable until recently.
I had been thinking that this would be the last patchlevel release for 5.4
but now I am not so sure. 

If no problems are reported, I plan to use this for release of 5.4.7
next week.


Changes in 5.4.7
================

* FIX    pseudofiles '+','++' must ignore "set datafile columnheader"  Bug #2585
* FIX    data from an array must ignore "set datafile columnheader"    Bug #2585
* FIX    various problems with unbounded plot iteration                Bug #2589
* FIX    allow plot ... smooth acsplines with filledcurves             Bug #2592
* FIX    "plot title at {end|beginning}" belongs in KEYSAMPLE layer
* FIX    handle empty string in last field of csv file
* FIX    Handle nonlinear axes during contour generation               Bug #2593
* FIX    yerrorbars key sample should match bars in the plot           Bug #2598
* FIX    "plot with table" must skip all smoothing operations          Bug #2610
* FIX    cairolatex/epslatex: prevent doubled text in opaque textboxes
* FIX    wxt: versions prior to 3.0 do not support XDG                 Bug #2587
* FIX    wxt: fontscale and fontsize handling was inconsistent         Bug #2373
* FIX    tikz epslatex cairolatex: updated to work with TeXLive2023    Bug #2613
* FIX    correctly report cardinality of an empty array is zero        Bug #2616
* FIX    ignore datafile separator when plotting from an array
* FIX    combination of pm3d options "at b" or "at t" with "depthorder"
* FIX    combination of 'autotitle columnhead' and 'using col("key")'  Bug #2620
* FIX    do not complain if XDG files are not found because no $HOME   Bug #2623
* FIX    windows terminal: arrow length corrected for aspect ratio     Bug #2565


      Ethan




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