Add a brief initial sentence.

git-svn-id: https://svn.dealii.org/trunk@30186 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/include/deal.II/numerics/data_out.h b/deal.II/include/deal.II/numerics/data_out.h
index 87cc37fc1df093e39e82772c62a7b74ed1003455..26cf9b1a5300e95ffdc3c6db59e3b442657016bb 100644 (file)
--- a/deal.II/include/deal.II/numerics/data_out.h
+++ b/deal.II/include/deal.II/numerics/data_out.h
@@ -861,6 +861,9 @@ protected:
 
 
 /**
+ * This class is the main class to provide output of data described by finite
+ * element fields defined on a collection of cells.
+ *
  * This class is an actual implementation of the functionality proposed by
  * the DataOut_DoFData class. It offers a function build_patches() that
  * generates the patches to be written in some graphics format from the data