OS X g++ warned that "control may reach end of non-void function" in
wxRichTextHelpInfo::ShowHelp(). This wasn't really the case but change the
function logic slightly to (hopefully) suppress the warning.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@68111 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
wxRTC functions now operate on the currently focused object, which by default is the whole buffer.
Up to three property commands are now shown on the context menu, depending on
available objects in the current hierarchy.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66680 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775