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Procedures [2/13]

The given function-procedure lineREdge draws a line with a rounded edge. The edges are intentionally drawn in a different color to make the inner workings of this function-procedure more obvious.

The function-procedure lineREdge calls built-in function-procedures linewp and discp. The function-procedure linewp draws a line of a specified width. The function-procedure discp draws a disc. These functions were previously demonstrated.