The description of the parameters are not parsed anymore:
https://en.wikipedia.org/wiki/Special:ApiSandbox#action=query&prop=revisions&format=json&rvlimit=10
E.g.:
May be used in several ways: # Get data about a set of pages (last revision), by setting titles or pageids. # Get revisions for one given page, by using titles or pageids with start, end, or limit. # Get data about a set of revisions by setting their IDs with revids.
Which properties to get for each revision:
;ids:The ID of the revision. ;flags:Revision flags (minor). ;timestamp:The timestamp of the revision. ;user:User that made the revision. ;userid:User id of revision creator. ;size:Length (bytes) of the revision. ;sha1:SHA-1 (base 16) of the revision. ;contentmodel:Content model id. ;comment:Comment by the user for revision. ;parsedcomment:Parsed comment by the user for the revision. ;content:Text of the revision. ;tags:Tags for the revision.
Version: unspecified
Severity: normal