g-option-context-help (context main &optional group)

context -- a g-option-context instance
main -- if true, only include the main group
group -- the optional g-option-group instance to create help for

A newly allocated string containing the help text.

Returns a formatted, translated help text for the given option context. To obtain the text produced by the --help output, call the (g-option-context-help context t). To obtain the text produced by --help-all, call (g-option-context-help context nil). To obtain the help text for an option group, call (g-option-context-help context nil group).