The recent patches for logscale seem to repair the bug 2725. This bug will be fixed in the stable branch and thus in the release version.
I could reproduce the bug with your script. The bug seems to appear when axis in log scale.
Please test binary package at the below http://tmacchant33.starfree.jp/gnuplot_bin.html .
I could reproduce the bug with your script.
I could reproduce with your script.
I cannot reproduce the bug. command prompt via wgnuplot -p script.gp, x coodinate appears normally. I examined on gnuplot 6.0.1 on Windows 11.
I cannot reproduce the bug. command prompt via wgnuplot -p script.gp, x coodinate appears normally.
The phenomena were observerd oncygwin and Ubuntu on Qt terminal. They are specific to Qt terminal but not specific to Windows.