Doc update.

git-svn-id: https://svn.dealii.org/trunk@2649 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/lac/include/lac/sparsity_pattern.h b/deal.II/lac/include/lac/sparsity_pattern.h
index 40b060bf9081e1a9183fe205199e2d2df2acc9ab..08825dacc84a440f7d627e112b9acece44933043 100644 (file)
--- a/deal.II/lac/include/lac/sparsity_pattern.h
+++ b/deal.II/lac/include/lac/sparsity_pattern.h
@@ -676,8 +676,11 @@ class SparsityPattern : public Subscriptor
                                      */
     bool compressed;
 
-
-template <typename number> friend class SparseMatrix;
+                                    /**
+                                     * Make all sparse matrices
+                                     * friends of this class.
+                                     */
+    template <typename number> friend class SparseMatrix;
 };