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+Spiro is the creation of Raph Levien. It simplifies the drawing of beautiful
+curves.
+
+Using bezier splines an artist can easily draw curves with the same slope on
+either side of an on-curve point. Spiros, on the other hand, are based on
+clothoid splines which make it easy to maintain constant curvature as well as
+constant slope. Such curves will simply look nicer.
+
+Raph Levien's spiro splines only use on-curve points and so are easier to use
+and more intuitive to the artist.
+
+This library will take an array of spiro control points and convert them into
+a series of bezier splines which can then be used in the myriad of ways the
+world has come to use beziers.