Remove references to AVS Explorer.

diff --git a/examples/step-5/doc/intro.dox b/examples/step-5/doc/intro.dox
index 09f4b267ee2364afe9d68091f1ad9367ae79d67b..9e02ee824992d910fb1a8c2ad4fc969ea3f58ba2 100644 (file)
--- a/examples/step-5/doc/intro.dox
+++ b/examples/step-5/doc/intro.dox
@@ -22,7 +22,11 @@ them are:
        into triangulations by automatic mesh generators. In order to
        use them, it is important to read coarse grids from a file. In
        this example, we will read a coarse grid in UCD (unstructured
-       cell data) format as used by AVS Explorer.
+       cell data) format. When this program was first written around
+       2000, UCD format was what the AVS Explorer used -- a program
+       reasonably widely used at the time but now no longer of
+       importance. (Nonetheless, the file format has survived and is
+       still understood by a number of programs.)
   <li> Finite element programs usually use extensive amounts of
        computing time, so some optimizations are sometimes
        necessary. We will show some of them.

diff --git a/examples/step-5/step-5.cc b/examples/step-5/step-5.cc
index c80cc74f4e3e6f0562a4a5084e6d2b107851f11b..058898eac6b6547ad1f36132026250ff6168348f 100644 (file)
--- a/examples/step-5/step-5.cc
+++ b/examples/step-5/step-5.cc
@@ -1,6 +1,6 @@
 /* ---------------------------------------------------------------------
  *
- * Copyright (C) 1999 - 2014 by the deal.II authors
+ * Copyright (C) 1999 - 2015 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
@@ -582,12 +582,10 @@ void Step5<dim>::run ()
   // not to do, after all.
 
   // So if we got past the assertion, we know that dim==2, and we can now
-  // actually read the grid. It is in UCD (unstructured cell data) format (but
-  // the ending of the <code>UCD</code>-file is <code>inp</code>), as
-  // supported as input format by the AVS Explorer (a visualization program),
-  // for example:
+  // actually read the grid. It is in UCD (unstructured cell data) format (though
+  // the convention is to use the suffix <code>inp</code> for UCD files):
   grid_in.read_ucd (input_file);
-  // If you like to use another input format, you have to use an other
+  // If you like to use another input format, you have to use one of the other
   // <code>grid_in.read_xxx</code> function. (See the documentation of the
   // <code>GridIn</code> class to find out what input formats are presently
   // supported.)