substitute '@b NB:' with '@note'; first partial revision of e*h headers; replace @beginEventTable with @beginEventTable{1} which provides the prototype of the event handler

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52900 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/bmpbuttn.h

@@ -55,7 +55,7 @@
     Note that the wxBU_EXACTFIT style supported by wxButton is not used by this
     class as bitmap buttons don't have any minimal standard size by default.
 
-    @beginEventTable
+    @beginEventTable{wxCommandEvent}
     @event{EVT_BUTTON(id, func)}:
            Process a wxEVT_COMMAND_BUTTON_CLICKED event, when the button is clicked.
     @endEventTable