Returns a formatted, translated help text for the given context.
To obtain the text produced by --help, call
g_option_context_get_help (context, TRUE, NULL).
To obtain the text produced by --help-all, call
g_option_context_get_help (context, FALSE, NULL).
To obtain the help text for an option group, call
g_option_context_get_help (context, FALSE, group).
Since 2.14
Returns a formatted, translated help text for the given context. To obtain the text produced by --help, call g_option_context_get_help (context, TRUE, NULL). To obtain the text produced by --help-all, call g_option_context_get_help (context, FALSE, NULL). To obtain the help text for an option group, call g_option_context_get_help (context, FALSE, group). Since 2.14