jupyter lab locally and have it listen to
The output of the following cell
%%html <a href="relative/link.html">relative link</a>
will link to
There’s been a lot going on in this respect in the jupyterlab github repo (@consideRatio led some of the discussions), but I could not really figure out if the related PRs were providing the desired solution and if / when these will make it to a Jupyterlab release.