Corrected errors in documentation

.openscad_docsgen_rc

@@ -38,6 +38,7 @@ PrioritizeFiles:
   nurbs.scad
   rounding.scad
   turtle3d.scad
+  isosurface.scad
   math.scad
   linalg.scad
   vectors.scad
@@ -69,7 +70,6 @@ PrioritizeFiles:
   tripod_mounts.scad
   walls.scad
   wiring.scad
-  isosurface.scad
 DefineHeader(BulletList): Side Effects
 DefineHeader(Table;Headers=Anchor Name|Position): Named Anchors
 DefineHeader(Table;Headers=Anchor Type|What it is): Anchor Types

isosurface.scad

@@ -636,7 +636,7 @@ _MCTriangleTable_reverse = [
 // Function&Module: isosurface()
 // Synopsis: Creates a 3D isosurface.
 // SynTags: Geom,VNF
-// Topics: Advanced Modeling
+// Topics: Isosurfaces, VNF Generators
 // Usage: As a module
 //   isosurface(voxel_size, bounding_box, isovalue, field_function, [additional=], [reverse=], [close_clip=], [show_stats=]);
 // Usage: As a function
@@ -776,7 +776,7 @@ function isosurface(voxel_size, bounding_box, isovalue, field_function, addition
 // Function&Module: isosurface_array()
 // Synopsis: Creates a 3D isosurface from a 3D array of densities.
 // SynTags: Geom,VNF
-// Topics: Advanced Modeling
+// Topics: Isosurfaces, VNF Generators
 // Usage: As a module
 //   isosurface_array(voxel_size, isovalue, fields, [origin=], [reverse=], [close_clip=], [show_stats=]);
 // Usage: As a function
@@ -1182,7 +1182,8 @@ let(
 // Function&Module: metaballs()
 // Synopsis: Creates a model of metaballs within a bounding box.
 // SynTags: Geom,VNF
-// Topics: Advanced Modeling
+// Topics: Metaballs, Isosurfaces, VNF Generators
+// See Also: isosurface_array()
 // Usage: As a module
 //   metaballs(voxel_size, bounding_box, isovalue, ball_centers, [ball_sizes=], [ball_type=], [rotation=], [field_function=], [radial_cutoff=], [close_clip=], [show_stats=]);
 // Usage: As a function