Set labels in the builder demo. The ARIA authoring practices
say that both menubars and toolbars *must* have an accessible
label.
<child>
<object class="GtkPopoverMenuBar" id="menubar1">
<property name="menu-model">menubar</property>
+ <accessibility>
+ <property name="label">Main Menu</property>
+ </accessibility>
</object>
</child>
<child>
<object class="GtkBox" id="toolbar1">
<property name="accessible-role">toolbar</property>
<property name="css-classes">toolbar</property>
+ <accessibility>
+ <property name="label">Toolbar</property>
+ </accessibility>
<child>
<object class="GtkButton">
<property name="label" translatable="yes">New</property>