...sorry, but this patch (wxsmith_add_richtext_controls.patch) does not work for me. The error is:
patching file "src/plugins/contrib/wxSmith/wxSmith-unix.cbp"                                           
patching file "src/plugins/contrib/wxSmith/wxSmith.cbp"                                                
patching file "src/plugins/contrib/wxSmith/wxwidgets/defitems/Makefile.am"                             
patch: **** malformed patch at line 90: @@ -167,6 +173,7 @@                                            
...any hints? Can you re-do?