Jean-Christophe Helary <jean.christophe.helary@gmail.com> schrieb am So.,
2. Juli 2017 um 16:03 Uhr:

> Conclusion of that exchange (sorry for being a little slow to understand
> everything the 3 of you wrote):
>
> This:
>     (prin1 name)
>     (princ " is ")
>     (princ (if (memq (aref status 0) '(?a ?e ?i ?o ?u)) "an " "a "))
>     (princ status)
>     (princ " package.\n\n")
>
> Can reasonably be replaced by this:
>     (let (sentence (format "The status of package %1$S
> is `%2$s'.\n\n" name status)))
>     (princ sentence))
>
> Is that correct ?
>

You should probably use `format-message' instead of `format' here.
`format-message' is for messages displayed to the user, and I'd imagine
when introducing localization you'd integrate it only with
`format-message', not `format'.