Quicklisp should pull from: https://github.com/madnificent/intercom.git
Does not build for me. I get: Symbol NEW-JS not found in the JSOWN package.
new-js is available in the current master branch of JSOWN. Could it be that QuickLisp doesn't follow that master branch? If so, JSOWN (already in quicklisp) should follow the master branch available at https://github.com/madnificent/jsown.git .
Issue #38 requested using the 1.0.0 tag, and that is what it used. I'll update it to use the master branch.