handlers added using AddHandler() last must have the highest priority (patch 1522807)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40302 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/filesys.tex

@@ -38,8 +38,10 @@ Constructor.
 
 \func{static void}{AddHandler}{\param{wxFileSystemHandler }{*handler}}
 
-This static function adds new handler into the list of handlers.
-The \helpref{handlers}{wxfilesystemhandler} provide access to virtual FS.
+This static function adds new handler into the list of 
+\helpref{handlers}{wxfilesystemhandler} which provide access to virtual FS.
+Note that if two handlers for the same protocol are added, the last one added
+takes precedence.
 
 \wxheading{Note}