+#ifdef __WXGTK20__
+// Escapes string so that it is valid Pango markup XML string:
+wxString wxEscapeStringForPangoMarkup(const wxString& str);
+#endif
+
+// The declaration for gtk_icon_size_lookup was accidentally ifdefed out in
+// GTK+ 2.1.0 which Sun seem to have shipped with some versions of JDS
+// for Solaris 9 x86.
+#if NEED_GTK_ICON_SIZE_LOOKUP
+extern "C" gboolean gtk_icon_size_lookup (GtkIconSize size,
+ gint *width,
+ gint *height);
+#endif
+