From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Thu, 23 Dec 2021 02:35:04 +0000 (-0700)
Subject: Link from step-47 to step-82.
X-Git-Tag: v9.4.0-rc1~700^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F13111%2Fhead;p=dealii.git

Link from step-47 to step-82.
---

diff --git a/examples/step-47/doc/intro.dox b/examples/step-47/doc/intro.dox
index eb69f983ea..e93577182b 100644
--- a/examples/step-47/doc/intro.dox
+++ b/examples/step-47/doc/intro.dox
@@ -216,6 +216,10 @@ this scheme for the biharmonic equation is typically called the $C^0$ IP
 (or C0IP) method, since it uses $C^0$ (continuous but not continuously
 differentiable) shape functions with an interior penalty formulation.
 
+It is worth noting that the C0IP method is not the only one that has
+been developed for the biharmonic equation. step-82 shows an
+alternative method.
+
 
 <h3> Derivation of the C0IP method </h3>