add changes file for the doxygen issues

diff --git a/changes/doxygen b/changes/doxygen
new file mode 100644 (file)
index 0000000..5e5fcd1
--- /dev/null
+++ b/changes/doxygen
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+  o Documentation changes
+    - Modernize the doxygen configuration file slightly.  Fixes bug 2707.
+    - Resolve all doxygen warnings except those for missing documentation.
+      Fixes bug 2705.
+    - Add doxygen documentation for more functions, fields, and types.
+