Updated mediawiki/extensions
Project: mediawiki/extensions/Parsoid  33ab9f133f52c79f54858fd63356159c9501eb73

Add a space if the key ends on a space, even if the value is empty

RT testing showed that this variant is more common, even if the value is
actually empty. Follow the data.

Change-Id: Ic694de7967ef8ae31880229f2e0d2d021694ec23