2 <svg xmlns=
"http://www.w3.org/2000/svg">
3 <marker id=
"marker" viewBox=
"0 0 100 100" refX=
"50" refY=
"50" markerUnits=
"strokeWidth" markerWidth=
"50" markerHeight=
"50" orient=
"auto">
4 <rect fill=
"red" x=
"-50" y=
"-50" width=
"200" height=
"200" />
5 <rect x=
"0" y=
"0" width=
"100" height=
"100" fill=
"green"/>
7 <rect width=
"25" height=
"25" />
8 <path d=
"M 100 100 L 100 100 " fill=
"none" stroke=
"none" stroke-width=
"3" marker-start=
"url(#marker)"/>
9 <text x=
"30" y=
"20"> There should be a
150x150 green rect at
25x25
</text>