Backed out changeset b6c206049d8a The nvmemmory library depends on a modification to qemu; this change is therefore backed out in order to allow NVM functionality to be merged into graphics-phase-3 by transplanting individual commits.

width = 800
height = 600
canvwidth = 1200
canvheight = 900
shape = arrow
mode = standard
resizemode = auto
fillcolor = ""
title = Python turtle graphics demo.