Fix the list markers in wxGridCellEditor::EndEdit() documentation.

Doxygen allows to use "-", "+" or "*" for the list items but not "#".

Closes #14955.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73396 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/grid.h

@@ -395,10 +395,10 @@ public:
         its string form and possibly saved internally using its real type by
         BeginEdit()). If it isn't, it just returns @false, otherwise it must do
         the following:
-            # Save the new value internally so that ApplyEdit() could apply it.
-            # Fill @a newval (which is never @NULL) with the string
+            - Save the new value internally so that ApplyEdit() could apply it.
+            - Fill @a newval (which is never @NULL) with the string
             representation of the new value.
-            # Return @true
+            - Return @true
 
         Notice that it must @em not modify the grid as the change could still
         be vetoed.