%!
% Example of rotation... draws 36 lines in a circular pattern
0 10 360 { % Go from 0 to 360 degrees in 10 degree steps
newpath % Start a new path
gsave % Keep rotations temporary
144 144 moveto
rotate % Rotate by degrees on stack from 'for'
72 0 rlineto
stroke
grestore % Get back the unrotated state
} for % Iterate over angles
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