Adds a string to be displayed in --help output after the list of options. This text often includes a bug reporting address.
Note that the summary is translated (see glib.option_context.OptionContext.setTranslateFunc).
a string to be shown in --help output after the list of options, or null
Adds a string to be displayed in --help output after the list of options. This text often includes a bug reporting address.
Note that the summary is translated (see glib.option_context.OptionContext.setTranslateFunc).