On 2009-02-02, Paul E Condon <pecondon@xxxxxxxxxxxxxxxx> wrote:
> I'm puzzled by the default index_format which is, I think:
>
> set index_format="%4C %Z %{%b %d} %-15.15L (%?l?%4l&%4c?) %s"
>
> I don't understand the string inside parentheses. Where can
> I find an explanation? Question marks often invoke some sort
> of conditional action, but I don't see them in printf docs.
It's in the mutt manual, section 3.277 status_format.
Regards,
Gary