Synopsis tweaks and cleanups.

mutators.scad

@@ -15,6 +15,7 @@
 // Module: bounding_box()
 // Synopsis: Creates the smallest bounding box that contains all the children.
 // Topics: Mutators, Bounds, Bounding Boxes
+// See Also: pointlist_bounds()
 // Usage:
 //   bounding_box([excess],[planar]) CHILDREN;
 // Description:
@@ -105,6 +106,7 @@ module bounding_box(excess=0, planar=false) {
 // Module: chain_hull()
 // Synopsis: Performs the union of hull operations between consecutive pairs of children.
 // Topics: Mutators
+// See Also: hull()
 // Usage:
 //   chain_hull() CHILDREN;
 //
@@ -270,6 +272,7 @@ module path_extrude2d(path, caps=false, closed=false, s, convexity=10) {
 // Module: cylindrical_extrude()
 // Synopsis: Extrudes 2D children outwards around a cylinder.
 // Topics: Mutators, Extrusion, Rotation
+// See Also: heightfield(), cylindrical_heightfield(), cyl()
 // Usage:
 //   cylindrical_extrude(ir|id=, or|od=, [size=], [convexity=], [spin=], [orient=]) 2D-CHILDREN;
 // Description:
@@ -331,6 +334,7 @@ module cylindrical_extrude(ir, or, od, id, size=1000, convexity=10, spin=0, orie
 // Module: extrude_from_to()
 // Extrudes 2D children between two points in 3D space.
 // Topics: Extrusion, Mutators
+// See Also: path_sweep(), path_extrude2d()
 // Usage:
 //   extrude_from_to(pt1, pt2, [convexity=], [twist=], [scale=], [slices=]) 2D-CHILDREN;
 // Description:
@@ -471,7 +475,7 @@ module minkowski_difference(planar=false) {
 // Module: offset3d()
 // Synopsis: Expands or contracts the surface of a 3D object.
 // Topics: Mutators
-// See Also: minkowski_difference()
+// See Also: minkowski_difference(), round3d()
 // Usage:
 //   offset3d(r, [size], [convexity]) CHILDREN;
 // Description:
@@ -513,6 +517,7 @@ module offset3d(r, size=100, convexity=10) {
 // Module: round3d()
 // Synopsis: Rounds arbitrary 3d objects.
 // Topics: Rounding, Mutators
+// See Also: offset3d(), minkowski_difference()
 // Usage:
 //   round3d(r) CHILDREN;
 //   round3d(or) CHILDREN;