I don’t think so? https://www.w3.org/TR/2008/REC-xml-20081126/#charsets https://www.w3.org/TR/2008/REC-xml-20081126/#charsets XML 1.1 says documents should be

I don’t think so? https://www.w3.org/TR/2008/REC-xml-20081126/#charsets https://www.w3.org/TR/2008/REC-xml-20081126/#charsets XML 1.1 says documents should be normalized but they are still well-formed even if not normalized https://www.w3.org/TR/2006/REC-xml11-20060816/#sec-normalization-checking https://www.w3.org/TR/2006/REC-xml11-20060816/#sec-normaliza... But you should not use XML 1.1 https://www.ibiblio.org/xml/books/effectivexml/chapters/03.html https://www.ibiblio.org/xml/books/effectivexml/chapters/03.h...