From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Wed, 13 Jan 2021 23:39:06 +0000 (-0700)
Subject: Leave a note.
X-Git-Tag: v9.3.0-rc1~637^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F11520%2Fhead;p=dealii.git

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---

diff --git a/include/deal.II/fe/mapping_q1.h b/include/deal.II/fe/mapping_q1.h
index a1562174ce..266cc7739a 100644
--- a/include/deal.II/fe/mapping_q1.h
+++ b/include/deal.II/fe/mapping_q1.h
@@ -80,6 +80,10 @@ public:
  * these contexts throughout the library, this class defines a static $Q_1$
  * mapping object. This object can then be used in all of those places where
  * such an object is needed.
+ *
+ * @note The use of this object should be avoided since it is only applicable
+ *   in cases where a mesh consists exclusively of quadrilaterals or hexahedra.
+ *   Use ReferenceCell::get_default_linear_mapping() instead.
  */
 template <int dim, int spacedim = dim>
 struct StaticMappingQ1