Hi, I'm new to using Mediawiki but I just wanted to comment and say that I think the Parsoid guide is poorly written and needs some serious improvements. It's constantly sidetracked by notes on obsolete options, or alternative installation issues etc, which results in a very confusing stream of information to parse.
I was unable to install Parsoid correctly following the official guide but I found this one much easier to follow: https://www.howtoforge.com/tutorial/how-to-install-visualeditor-for-mediawiki-on-centos-7/
While the one linked is only for a specific OS and server type, I think it is a better example of how a Parsoid installation tutorial should be structured. The current one is very muddy and the structure of it is not consistent, at least to the eyes of a newbie like me. I am a newbie, but I think I have a decent understanding of technical information writing and the current shape of the article is not a good example of that.