complete -c echo -s n -d (N_ "No newline")
complete -c echo -s e -d (N_ "Use backslash escaped characters")
complete -c echo -s E -d (N_ "Do not use backslash escaped characters")
complete -c echo -l help -d (N_ "Display help and exit")
complete -c echo -l version -d (N_ "Display version and exit")