Update index file of the web page

doc/webpage/index.html

@@ -95,18 +95,24 @@ <h3>Binary packages</h3>
 <h3>Autogenerated API documentation</h3>
 <p>
 This is the doxygen output <a
-href="https://p4est.github.io/api/p4est-2.8.6/index.html">for <tt>p4est</tt></a>
+href="https://p4est.github.io/api/p4est-latest/index.html">for <tt>p4est</tt></a>
 and <a
-href="https://p4est.github.io/api/libsc-2.8.6/index.html">for <tt>libsc</tt></a>.
+href="https://p4est.github.io/api/libsc-latest/index.html">for <tt>libsc</tt></a>.
 Recreate it with <tt>make doxygen</tt> after calling <tt>configure</tt>.
 </p>
 </div>
 
 <div class="citation">
 <h3>Howto document and step-by-step examples</h3>
 <p>
-This as a <a href="https://p4est.github.io/p4est-howto.pdf">howto document</a> that documents the basic
-interface design of <tt>p4est</tt> and comments on the
+We have added a new
+<a href="https://p4est.github.io/api/p4est-latest/example_userdata.html"
+>recommended first example</a> for using <tt>p4est</tt> with application data.
+</p>
+<p>
+Here is a somewhat ancient <a
+href="https://p4est.github.io/p4est-howto.pdf">howto document</a>
+on the basic interface design of <tt>p4est</tt> including comments on the
 <a href="https://github.com/cburstedde/p4est/tree/master/example/steps/">
 step-by-step examples</a> included in the source code.
 </p>
@@ -163,14 +169,21 @@ <h3>Proprietary / Commercial use</h3>
 Science Foundation (NSF Grants No. CCF-0427985, CMMI-1028889, CNS-0540372,
 CNS-0619838, DMS-0724746, OCI-0749334, OPP-0941678) and the US Department of
 Energy (DOE Grants No. 06ER25782, 08ER25860, SC0002710).
+The authors gratefully acknowledge partial support under DARPA Cooperative
+Agreement HR00112120003 via a subcontract with Embry-Riddle Aeronautical
+University.  This work is approved for public release; distribution is
+unlimited.
 The authors thank the Texas
 Advanced Computing Center (TACC) for providing them with access to the Ranger
 supercomputer under NSF TeraGrid award MCA04N026, and the National Center for
 Computational Science (NCCS) for early-user access to the Jaguar Cray XT5
-supercomputer.  Any opinions, findings and conclusions or recomendations
+supercomputer.
+Any opinions, findings and conclusions or recommendations
 expressed on this web page or in the source code and documentation are those of
 the authors and do not necessarily reflect the views of the National Science
 Foundation (NSF).
+The information in the documentation or software does not necessarily
+reflect the position or the policy of the US Government.
 </p>
 </footer>