add warning

git-svn-id: https://svn.dealii.org/trunk@23143 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/include/deal.II/lac/relaxation_block.h b/deal.II/include/deal.II/lac/relaxation_block.h
index ca937fdd7d4ac9007a8e032f18d3be168f9f90ad..ee180925337e0efcc494e18adbeb8b97d49a47c3 100644 (file)
--- a/deal.II/include/deal.II/lac/relaxation_block.h
+++ b/deal.II/include/deal.II/lac/relaxation_block.h
@@ -2,7 +2,7 @@
 //    $Id$
 //    Version: $Name$
 //
-//    Copyright (C) 2010 by the deal.II authors
+//    Copyright (C) 2010, 2011 by the deal.II authors
 //
 //    This file is subject to QPL and may not be  distributed
 //    without copyright and license information. Please refer
@@ -25,6 +25,9 @@
 DEAL_II_NAMESPACE_OPEN
 
 /**
+ * @warning The part of the interface based on BlockList may change in
+ * a future release.
+ *
  * Base class for the implementation of overlapping, multiplicative
  * Schwarz relaxation methods and smoothers.
  *