Error "Skipping data file with no valid points" when plotting multiple graphs

[svetlyak40wt]

Example number 13 from http://guicho271828.github.io/eazy-gnuplot/ does not work.

> (eazy-gnuplot:with-plots (stream :debug t)
(eazy-gnuplot:gp-setup :terminal '(:pngcairo) :output "some.png" :style
              '(fill pattern 5))
    (eazy-gnuplot:plot
     (lambda ()
       (loop for i from 0 upto 1 by 0.1
             do (format stream "~&~a ~a ~a" i i (sin i))))
     :using '(1 2 3) :lw (list 3 'notitle) :using '(1 2)
     :lw (list 3 'notitle) :using '(1 3) :lw '(3 notitle) :with
     '(:filledcurves :above :y1 = 0.07)))

" set terminal pngcairo 
 set output \"some.png\" 
 set style fill pattern 5 
plot '-' using 1:2:3 lw 3 notitle, '' using 1:2 lw 3 notitle, '' using 1:3 lw 3 notitle with filledcurves above y1 = 0.07
0 0 0.0
0.1 0.1 0.09983342
0.2 0.2 0.19866933
0.3 0.3 0.29552022
0.4 0.4 0.38941833
0.5 0.5 0.47942555
0.6 0.6 0.5646425
0.70000005 0.70000005 0.6442177
0.8000001 0.8000001 0.71735615
0.9000001 0.9000001 0.783327
end

end

end


set output"          line 13: warning: Skipping data file with no valid points
         line 15: warning: Skipping data file with no valid points
NIL

[svetlyak40wt]

Probably, this issue is related to #40

[svetlyak40wt]

Seems I found the way how this should be done:

https://stackoverflow.com/questions/51740188/gnuplot-skipping-data-file-with-no-valid-points