  * fix integration with jQuery
    + verify that code works with contemporary jQuery
    + patch code to use unversioned path
    + add symlink to shared path
    + (build-)depend on libjs-jquery
  * fix integration with SigmaJS when available in Debian
  * improve autopkgtest coverage when python3-rdflib >= 6 is in Debian
  * improve autopkgtest coverage when understood why some tests exit 1
