Dima Kogan 96ac271cda I explicitly ignore all lines that have '-' values ... These may come from vnl-filter -p "dx=diff(x)" ... output. For instance, this plot is broken before this patch: (echo '# x'; seq 5) | vnl-filter --noskipempty -p 'd=diff(x)' \ | feedgnuplot --lines		2024-01-27 17:01:40 -08:00
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feedgnuplot	I explicitly ignore all lines that have '-' values	2024-01-27 17:01:40 -08:00