a11y: Use the tab widget to label the notebook stack page

diff --git a/gtk/gtknotebook.c b/gtk/gtknotebook.c
index cfac827008d3504052aa65a3b47ff1257a34ee51..bad99cdddceb0e224dba20bf765028723e1537f9 100644 (file)
--- a/gtk/gtknotebook.c
+++ b/gtk/gtknotebook.c
@@ -3989,6 +3989,9 @@ gtk_notebook_insert_notebook_page (GtkNotebook *notebook,
   gtk_accessible_update_relation (GTK_ACCESSIBLE (page->tab_widget),
                                   GTK_ACCESSIBLE_RELATION_CONTROLS, stack_page, NULL,
                                   -1);
+  gtk_accessible_update_relation (GTK_ACCESSIBLE (stack_page),
+                                  GTK_ACCESSIBLE_RELATION_LABELLED_BY, page->tab_widget, NULL,
+                                  -1);
 
   gtk_accessible_update_state (GTK_ACCESSIBLE (page->tab_widget),
                                GTK_ACCESSIBLE_STATE_SELECTED, FALSE,