+Mar 20, 2018 Version 6.0.0
+ * Migrate to wxgtk3.0
+ * Add OpenMP parallelism and use by default
+
+Dec 21, 2012 Version 5.2.1
+ * tools/phm2helix.cpp: Fix spelling mistake
+
+Nov 7, 2010 Version 5.2.0
+ * tools/ifexport.cpp: Add Text output option (thanks to
+ Christian Thibaudeau)
+
+Aug 22, 2009 Version 5.1.3
+ * src/ctsim.cpp
+ - Improve numbering of unnamed documents. Reduce cut-and-paste code.
+ * configure.ac
+ - Use new AC_INIT form to include package information, email, url
+
+Aug 21, 2009 Version 5.1.2
+ * Conditionalize debugging output
+
+Aug 20, 2009 Version 5.1.1
+ * Use new wxFont constructor. Adjust font sizes.
+
+Aug 12, 2009 Version 5.1.0
+ * All known wxwidgets 2.8 compatibility issues have been fixed
+
+Aug 6, 2009 Version 5.0.6
+ * Use wxWidgets command-line processing rather than existing
+ native processing.
+ * ezset.cpp: Initialize scale settings in constructor
+ * Improve titles of frames
+ * configure.ac: Use wx-config to determine name of wxGL library
+ * src/graph3dview.cpp: wx2.8 compatibility changes to eliminate
+ segv crash when creating 3D objects
+