The html element has @xml:lang and @lang attributes, in that order. Line breaks in its opening tag.

This p element has @xml:lang and @lang attributes, in that order. Just spaces in its opening tag.

This p element has the language attributes in reversed order. Just spaces in its opening tag.

This p element has @xml:lang and @lang attributes, in that order. Line breaks in its opening tag.

This p element has the language attributes in reversed order. Line breaks in its opening tag.

Here is a b element without @class attribute.