package "test_groups" version "1.0" section "some groups just for testing" defgroup "my grp2" defgroup "grp1" groupdesc="an option of this group is required\nNotice that this description is quite long so it may spawn many lines... fortunately gengetopt will wrap it for you :-)" required groupoption "opta" a "string a" multiple group="grp1" groupoption "optA" A "string A" string argoptional group="grp1" groupoption "optAmul" M "string M" argoptional string group="grp1" multiple groupoption "optb" b "string b" group="grp1" groupoption "optc" - "string c" group="my grp2" groupoption "optd" d "string d" group="my grp2"