> So "foo" is something like  a shell function thatʼs going to do some
> stuff, and you want it also to set up the next editing command line for
> you?
>
> Try this:
>
> foo() {
>   print -z bar
> }
>

Exactly this! Thank you very much.

(BTW user questions really belong on zsh-users.)
>

Sorry I'm not sure
_____________________
Michel BARRET