But [[ https://jenkins.softwareheritage.org/view/all/job/DDOC/ | the "publish" job on Jenkins ]] succeed, but the online version of the doc is no up to date.
Section "Adding support for additional ecosystem-specific metadata" is in [[ https://forge.softwareheritage.org/source/swh-indexer/browse/master/docs/metadata-workflow.rst | the source ]] but it's missing from [[ https://docs.softwareheritage.org/devel/swh-indexer/metadata-workflow.html | the online doc ]]