Friday 25 September 2020 saw Prof. Dr. baron André Alen, the former President of the Belgian Constitutional Court, reach emeritus status. Linked to this occasion a book in his honour appeared under the title
Semper Perseverans: Liber amicorum André Alen. In this blog series we give central stage to a number of the book’s contributors. In this post Dr. David Haljan considers constitutional gaps and the way (not without peril) in which one such gap on its own functioning was filled by Canada’s Supreme Court.