Fix manual references to the events overview after it's page ID was changed in r58712 (VZ).

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58978 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/doxygen/groups/class_events.h

@@ -14,7 +14,7 @@
 An event object contains information about a specific event. Event handlers
 (usually member functions) have a single, event argument.
 
-Related Overviews: @ref overview_eventhandling
+Related Overviews: @ref overview_events
 
 Related macros/global-functions group: @ref group_funcmacro_events
 

docs/doxygen/mainpages/cat_classes.h

@@ -406,7 +406,7 @@ Related Overviews: @ref overview_bitmap
 An event object contains information about a specific event. Event handlers
 (usually member functions) have a single, event argument.
 
-Related Overviews: @ref overview_eventhandling
+Related Overviews: @ref overview_events
 
 @li wxActivateEvent: A window or application activation event
 @li wxCalendarEvent: Used with wxCalendarCtrl

docs/doxygen/overviews/eventhandling.h

@@ -7,9 +7,10 @@
 /////////////////////////////////////////////////////////////////////////////
 
 /**
-    @page overview_events Events and Event Handling
 
-    Related classes: wxEvtHandler, wxWindow, wxEvent
+@page overview_events Events and Event Handling
+
+Related classes: wxEvtHandler, wxWindow, wxEvent
 
 @li @ref overview_events_introduction
 @li @ref overview_events_eventhandling

docs/doxygen/overviews/validator.h

@@ -90,7 +90,7 @@ internally.
 
 You can optionally define event handlers for the validator, to implement
 filtering. These handlers will capture events before the control itself does
-(see @ref overview_eventhandling_processing).
+(see @ref overview_events_processing).
 For an example implementation, see the @c valtext.h and @c valtext.cpp files in the
 wxWidgets library.