Add a link to channel_with_cylinder in the TFI documentation.

diff --git a/include/deal.II/grid/manifold_lib.h b/include/deal.II/grid/manifold_lib.h
index 99d9c57cc421dcfbe28847a075b5da5e8faa5b4b..f6da4832029ac3b6fd3ef12da157e74c5b952f40 100644 (file)
--- a/include/deal.II/grid/manifold_lib.h
+++ b/include/deal.II/grid/manifold_lib.h
@@ -777,6 +777,9 @@ private:
  * @image html circular_mesh_only_boundary_manifold.png
  * </p>
  *
+ * This manifold is used in a few GridGenerator functions, including
+ * GridGenerator::channel_with_cylinder.
+ *
  * <h3>Implementation details</h3>
  *
  * In the implementation of this class, the manifolds surrounding a coarse