Just a note to say that the problem with SMW::off / SMW::on is also evident in the example on this page (nunrelated to Parsoid).
Cavila (talk)
See [0].
[0] https://github.com/SemanticMediaWiki/SemanticResultFormats/commit/10ed8f775eb8055c198b6c04d6afa2eb53df871c
James Hong Kong (talk)