Cleanup: Add documentation to curve legacy conversion functions

source/blender/blenkernel/BKE_curve_legacy_convert.hh

@@ -13,7 +13,14 @@ struct Curves;
 
 namespace blender::bke {
 
+/**
+ * Convert the old curve type to the new data type. Caller owns the returned pointer.
+ */
 Curves *curve_legacy_to_curves(const Curve &curve_legacy);
+/**
+ * Convert the old curve type to the new data type using a specific list of #Nurb for the actual
+ * geometry data. Caller owns the returned pointer.
+ */
 Curves *curve_legacy_to_curves(const Curve &curve_legacy, const ListBase &nurbs_list);
 
 }  // namespace blender::bke