lineplots.py: allow filled/unfilled plotting
lineplots.py: allow filled/unfilled plotting

kanarelo/reportlab,kanarelo/reportlab,kanarelo/reportlab,Distrotech/reportlab,Distrotech/reportlab,Distrotech/reportlab,Distrotech/reportlab,kanarelo/reportlab,Distrotech/reportlab,kanarelo/reportlab