* #GOptionGroup) and write a text similar to the one shown in the
* following example to stdout.
*
- * <informalexample><screen>
+ * |[
* Usage:
* testtreemodel [OPTION...] - test tree model performance
*
* -v, --verbose Be verbose
* -b, --beep Beep when done
* --rand Randomize the data
- * </screen></informalexample>
+ * ]|
*
* GOption groups options in #GOptionGroups, which makes it easy to
* incorporate options from multiple sources. The intended use for this is