This does not complete watchlist expiry support in MinervaNeue. It only
instructs the skin to show a half star instead of a full star on page
load if the page is being temporarily watched.
Bug: T251690
Change-Id: Ib5c479dcfe49041152ba662c56cc630c32eb220e
The implicit in Mesage::__toString, as called when the object
is accepted by a method that needs a string, is to format
with parse(). Call that explicitly instead, or use escaped()
in places where it seems like elaborate wikitext isn't expected.
Change-Id: I9f1de3a0047d1f26d30c8607a0a79543d166176f
