question regarding substitute* and #t (was: Simplifications enabled by switching to 'invoke')

[Andy Wingo]

Hi!

On Wed 24 Jan 2018 13:06, Mark H Weaver <address@hidden> writes:

> +             ;; Install to the right directory
> +             (substitute* '("Makefile"
> +                            "Qsci/Makefile")
> +               (("\\$\\(INSTALL_ROOT\\)/gnu/store/[^/]+")
> +                (assoc-ref outputs "out")))
> +             #t)))))

I guess once we switch over all instances of "system" and "system*" to
use invoke, does that mean we will also be able to remove these
vestigial "#t" returns?

Andy