For each dataset block DATA generates hash tags for TITLE, XAXIS, and YAXIS using the plot settings.
For the XAXIS and YAXIS sets the type, mininum, maximum, scale increment, nº of scale subticks, labels' format, labels precision, label
ex:
# XAXIS Logarithmic 1000 1e+09 10 9 power 0 \8n\4 (Hz)
# YAXIS Normal 0 0.11 0.02 1 decimal 2 \xD\4l(m)
# TITLE "\4(a) title here" 0.015 0.095