<para>Converts plain LINESTRING/POLYGON to CIRCULAR STRINGs and Curved Polygons. Note much fewer points are needed to describe the curved equivalent.</para>
<note><para>If the input LINESTRING/POLYGON is not curved enough to clearly represent a curve, the function will return the same input geometry.</para></note>
- <para>Availability: 1.2.2?</para>
+ <para>Availability: 1.3.0</para>
<para>&Z_support;</para>
<para>&curve_support;</para>
</refsection>