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<para>
-
+#GtkTooltip belongs to the new tooltips API that was
+introduced in GTK+ 2.12 and which deprecates the old
+#GtkTooltips API.
+</para>
+<para>
+Basic tooltips can be realized simply by using
+gtk_widget_set_tooltip_text() or gtk_widget_set_tooltip_markup() without
+any explicit tooltip object. For fancy tooltips, you will likely
+connect to the #GtkWidget::query-tooltip signal, which is passed
+a #GtkTooltip object as the last parameter. You can use functions
+like gtk_tooltip_set_icon() to modify the tooltip.
</para>
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