numbers outside the permitted ranges), etc.
** The summary attribute has been removed from tables of contents. summary is
obsolete in HTML 5 and wasn't useful here anyway.
+** Unnecessary type="" attribute removed for CSS and JS.
+** If $wgWellFormedXml is set to false, some bytes will be shaved off of HTML
+ output by omitting some things like quotation marks where HTML 5 allows.
* Added crop for inline images.
=== Bug fixes in 1.16 ===