Khan/khan-exercises — pull request #84085 by ivanistheone (2013-10-02 01:05:06+00:00)
Title: Small fix to graphie-3d -- make sure a closed path is drawn

Small fix to graphie-3d -- make sure path is drawn:

path( [v1,v2,v3] )

should be

path( [v1,v2,v3,true] )

to draw a closed path.