Hi,

> The sbcl-nactivitypub-0.0.3 package still fails to build.
>
> The first error I got was: "The name NJSON/ALIASES does not designate
> any package." I was able to get a bit further by applying the attached
> patch to build the missing njson/aliases subsystem and adding it to
> the 'depends-on' field in "nactivitypub.asd".
>
> I then hit another error: "nactivitypub.lisp" is trying to use
> a njson/aliases:truep symbol that doesn't exist. I took a look at
> exported symbols of njson and njson/aliases, and I think nactivitypub
> should use either njson:jtruep or njson/aliases:true.

Indeed! Thanks for taking the look at it and pointing me in the right
direction! I've updated both njson and nactivitypub and now they should
be mutually compatible, see the attached patches.