This was introduced in Pango 1.44.4.
if (gtk_builder_value_from_string_type (builder, PANGO_TYPE_SHOW_FLAGS, value, &val, error))
attribute = pango_attr_show_new (g_value_get_flags (&val));
break;
+#endif
+#if PANGO_VERSION_CHECK(1,44,4)
+ case PANGO_ATTR_INSERT_HYPHENS:
+ if (gtk_builder_value_from_string_type (builder, G_TYPE_BOOLEAN, value, &val, error))
+ attribute = pango_attr_insert_hyphens_new (g_value_get_boolean (&val));
+ break;
#endif
case PANGO_ATTR_INVALID:
default: