+DONE: remove deprecated "antialias bg" option
+DONE: fix fix_xinput_coords so it works ok without ENABLE_XINPUT_BUGFIX ?
+DONE: disable ctrl-left/right accelerators during text edition
+DONE: custom color chooser button (after a patch contributed by Alex Ray)
+DONE: remember last used directory (after a patch contributed by Lu Zhihe)
+DONE: discard Alt-click and Control-click events
+DONE: option to have buttons *toggle* the tool rather than act as tool
+ (ie button 2 causes button 1 to map to tool 2) [Dylan Thurston]
+DONE: patch to fix focus + allow up/dn in single page mode (Bob McElrath)
+ also comment out contents of reset_focus() ? (tracker patch #2494022)
+DONE: patch to fix underscores in MRU filename display (Bob McElrath)
+DONE: patch to avoid tiny file dialogs (Bob McElrath)