Clarify some header descriptions in step-27.

The old description was written when we used
CompressedSetSparsityPattern for this tutorial instead of
DynamicSparsityPattern.

diff --git a/examples/step-27/step-27.cc b/examples/step-27/step-27.cc
index f139973f72123e3248724feb78f5301dbf82885e..6edecfc4d5893b36605c60bd85d3bef227d8c550 100644 (file)
--- a/examples/step-27/step-27.cc
+++ b/examples/step-27/step-27.cc
@@ -27,6 +27,7 @@
 #include <deal.II/base/function.h>
 #include <deal.II/base/logstream.h>
 #include <deal.II/base/utilities.h>
+#include <deal.II/lac/dynamic_sparsity_pattern.h>
 #include <deal.II/lac/vector.h>
 #include <deal.II/lac/full_matrix.h>
 #include <deal.II/lac/sparse_matrix.h>
@@ -46,13 +47,10 @@
 #include <deal.II/numerics/data_out.h>
 #include <deal.II/numerics/error_estimator.h>
 
-// These are the new files we need. The first one provides an alternative to
-// the usual SparsityPattern class and the DynamicSparsityPattern class
-// already discussed in step-11 and step-18. The second and third provide <i>hp</i>
+// These are the new files we need. The first and second provide <i>hp</i>
 // versions of the DoFHandler and FEValues classes as described in the
 // introduction of this program. The last one provides Fourier transformation
 // class on the unit cell.
-#include <deal.II/lac/dynamic_sparsity_pattern.h>
 #include <deal.II/hp/dof_handler.h>
 #include <deal.II/hp/fe_values.h>
 #include <deal.II/fe/fe_series.h>