Dup of T222859?

Now every time an edit is made to an article where there are unknown parameters, the preview-only warning is shown on view until the page is purged; see report of issues at VPT.

There's a broken comment in both pages

<!-- Inline citations added to your article will automatically display here. See en.wikipedia.org/wiki/WP:REFB for instructions on how to add citations. --

which should be

<!-- Inline citations added to your article will automatically display here. See en.wikipedia.org/wiki/WP:REFB for instructions on how to add citations. -->

resulting the rest of page to be treated as a comment, including the templates to be substed.

The contrast of links against the background is 3.91, below the 4.5 required by WCAG AA for normal text. (going off this )

.fmbox shouldn't be treated like a page issue because the class is not used for page issues - it is used for edit notices and system messages (see documentation of template here). Treating fmbox as a page issue also breaks things on enwiki e.g on (view logged out)
https://en.m.wikipedia.org/w/index.php?title=Barack_Obama&action=edit&mobileaction=toggle_view_mobile

Indeed already configurable on-wiki through Template:Reviewednote-NPF and Template:Unreviewednonote-NPF (Messages for deletion tags, along with what appears to be every type of message sent, are also configureable, e.g Template:Empty-warn-NPF)