A set of tiny fixes and improvements #658
Merged
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During work on various PRs I made a number of tiny improvements that helps with debugging. Them are not strictly related to any issue, so I put them together in this PR.
Also I noticed and fix one trivial mistake --
u8::is_ascii_whitespaceis used to find the boundary of a name of end tag instead of correctis_whitespace. Standard function considered more symbols as whitespaces, than XML requires.