On 2015-10-26 05:57, Steve Newcomb wrote: [...]
The way to answer this for HTML documents is to look at the HTML 5 spec;FYI: The reason I got into the XML canonicalization document is that I was surprised to discover that Firefox dislikes carriage-returns and linefeeds between attribute specs in start tags in HTML, at least in that it can't trivially pre-discover certain info in certain <meta> elements so represented.