+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
+
+Aug 3, 2009 Version 5.0.5
+ * Fix plots when maximum plot value is the same as minimum
+
+Aug 3, 2009 Version 5.0.5
+ * More wx2.8 compatibility fixes.
+ * Fix initial size of Log TextCtrl at start-up.
+ * Fix display of values in Log window by cleaning up string
+ transformtions.
+
+Aug 2, 2009 Version 5.0.4
+ * More wx2.8 compatibility fixes. Ensure that a resize of a window
+ causes a full repaint for phantom, plot, and graph3d canvases.
+
+Aug 1, 2009 Version 5.0.1
+ * missing: Update to latest automake version
+ * configure: make compatible with wxMac
+ * update few source files for non-unicode wxWidgets 2.8 compatibility
+
+Aug 1, 2009 Version 5.0.0
+ * Major revision of wxWidgets code to port from wx2.4 to wx2.8
+ Currently, code compiles without warnings, but there are
+ GUI visual problems at the momemt running with wx2.8
+
+Sep 17, 2007 Version 4.5.5
+ * better cleaning in makefiles
+ * use "const char" variables for string literals
+
+Sep 10, 2007 Version 4.5.4
+ * configure.ac: Fix builds with multiple versions of wx-config
+ -- thanks to Steve White
+
+Apr 1, 2007 Version 4.5.3
+ * include/timer.h: Fix building on GCC 4.3
+ -- thanks to Martin Michlmayr
+