As of 7b3c590bb86097755d75558cfb2165399ae8580c, [source](https://github.com/openbabel/openbabel.github.io/tree/7b3c590bb86097755d75558cfb2165399ae8580c/source)/docs points to <https://github.com/openbabel/documentation/tree/35ba4a7c08abed71a160d19172afc1f8cf338072> which does not exist.
As of 7b3c590, source/docs points to https://github.com/openbabel/documentation/tree/35ba4a7c08abed71a160d19172afc1f8cf338072 which does not exist.