From eac1197f7c81d3632f47e02cb1346181b231ef36 Mon Sep 17 00:00:00 2001
From: bangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Sun, 5 May 2013 11:06:22 +0000
Subject: [PATCH] Explain better.

git-svn-id: https://svn.dealii.org/branches/branch_bigger_global_dof_indices_4@29455 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/doc/doxygen/headers/glossary.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/deal.II/doc/doxygen/headers/glossary.h b/deal.II/doc/doxygen/headers/glossary.h
index 688339494a..c9dec751ae 100644
--- a/deal.II/doc/doxygen/headers/glossary.h
+++ b/deal.II/doc/doxygen/headers/glossary.h
@@ -24,7 +24,10 @@
  * <dl>
  *
  * <dt class="glossary">@anchor GlossActive <b>Active cells</b></dt>
- * <dd>Mesh cells not refined any further in the hierarchy.</dd>
+ * <dd>A cell, face or edge is defined as <i>active</i> if it is not
+ * refined any further, i.e., if it does not have children. Unless
+ * working with a multigrid algorithm, active cells are the only
+ * ones carrying degrees of freedom.</dd>
  *
  *
  *
-- 
2.39.5