Update to gnuplot 5.4.6

OBS-URL: https://build.opensuse.org/package/show/Publishing/gnuplot?expand=0&rev=146

gnuplot.changes

@@ -1,3 +1,33 @@
+-------------------------------------------------------------------
+Sun Feb 12 15:07:08 UTC 2023 - Dr. Werner Fink <werner@suse.de>
+
+- Update to gnuplot 5.4.6
+  * NEW    set key {columns <exact no of columns>}
+           set key {keywidth <exact width>}
+  * NEW    XDG support
+             startup file:      $XDG_CONFIG_HOME/gnuplot/gnuplotrc
+             history file:      $XDG_STATE_HOME/gnuplot_history
+             wxt configuration: $XDG_CONFIG_HOME/gnuplot/gnuplot-wxt.conf
+  * CHANGE remove "alldoc" build target
+  * CHANGE plot with polygons fillstyle empty really does mean empty
+  * FIX    windows: various problems mixing piped input and stdin        Bug #2491
+  * FIX    x11: bad interactions of lt nodraw, bgnd and dash pattern     Bug #2572
+  * FIX    wxt: export-to-file widget should preserve line properties
+  * FIX    svg: set initial default fill to "none"
+  * FIX    png: back-compatibility with very old versions of gdlib       Bug #2579
+  * FIX    variable pointtype, pointsize in plot style yerrorlines
+  * FIX    border color for polygons with variable fillcolor
+  * FIX    definition followed by iteration in a plot command            Bug #2580
+  * FIX    parametric plot with filledcurves y1=<limit>                  Bug #1797
+- Port patches
+  * Gnuplot_5_4.pdf
+  * gnuplot-4.6.0-demo.diff
+  * gnuplot-4.6.0-fonts.diff
+  * gnuplot-4.6.0.dif
+  * gnuplot-5.4.4-grep.patch
+  * gnuplot-PIE.patch
+  * gnuplot-gd.patch
+
 -------------------------------------------------------------------
 Sat Dec 17 19:33:27 UTC 2022 - Dirk Müller <dmueller@suse.com>