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• GoogleDoc/MyBook.xhtml:37, 59: Error while parsing file: element "hr" not allowed here; expected the element end-tag, text, element "a", "abbr", "area", "audio", "b", "bdi", "bdo", "br", "button", "canvas", "cite", "code", "data", "datalist", "del", "dfn", "em", "embed", "i", "iframe", "img", "input", "ins", "kbd", "label", "link", "map", "mark", "meta", "meter", "ns1:switch", "ns2:math", "ns3:svg", "object", "output", "picture", "progress", "q", "ruby", "s", "samp", "script", "select", "small", "span", "strong", "sub", "sup", "template", "textarea", "time", "u", "var", "video" or "wbr" (with xmlns:ns1="http://www.idpf.org/2007/ops" xmlns:ns2="http://www.w3.org/1998/Math/MathML" xmlns:ns3="http://www.w3.org/2000/svg") or an element from another namespace

• GoogleDoc/MyBook.xhtml:48, 59: Error while parsing file: element "hr" not allowed here; expected the element end-tag, text, element "a", "abbr", "area", "audio", "b", "bdi", "bdo", "br", "button", "canvas", "cite", "code", "data", "datalist", "del", "dfn", "em", "embed", "i", "iframe", "img", "input", "ins", "kbd", "label", "link", "map", "mark", "meta", "meter", "ns1:switch", "ns2:math", "ns3:svg", "object", "output", "picture", "progress", "q", "ruby", "s", "samp", "script", "select", "small", "span", "strong", "sub", "sup", "template", "textarea", "time", "u", "var", "video" or "wbr" (with xmlns:ns1="http://www.idpf.org/2007/ops" xmlns:ns2="http://www.w3.org/1998/Math/MathML" xmlns:ns3="http://www.w3.org/2000/svg") or an element from another namespace

• GoogleDoc/MyBook.xhtml:76, 59: Error while parsing file: element "hr" not allowed here; expected the element end-tag, text, element "a", "abbr", "area", "audio", "b", "bdi", "bdo", "br", "button", "canvas", "cite", "code", "data", "datalist", "del", "dfn", "em", "embed", "i", "iframe", "img", "input", "ins", "kbd", "label", "link", "map", "mark", "meta", "meter", "ns1:switch", "ns2:math", "ns3:svg", "object", "output", "picture", "progress", "q", "ruby", "s", "samp", "script", "select", "small", "span", "strong", "sub", "sup", "template", "textarea", "time", "u", "var", "video" or "wbr" (with xmlns:ns1="http://www.idpf.org/2007/ops" xmlns:ns2="http://www.w3.org/1998/Math/MathML" xmlns:ns3="http://www.w3.org/2000/svg") or an element from another namespace

• GoogleDoc/MyBook.xhtml:100, 59: Error while parsing file: element "hr" not allowed here; expected the element end-tag, text, element "a", "abbr", "area", "audio", "b", "bdi", "bdo", "br", "button", "canvas", "cite", "code", "data", "datalist", "del", "dfn", "em", "embed", "i", "iframe", "img", "input", "ins", "kbd", "label", "link", "map", "mark", "meta", "meter", "ns1:switch", "ns2:math", "ns3:svg", "object", "output", "picture", "progress", "q", "ruby", "s", "samp", "script", "select", "small", "span", "strong", "sub", "sup", "template", "textarea", "time", "u", "var", "video" or "wbr" (with xmlns:ns1="http://www.idpf.org/2007/ops" xmlns:ns2="http://www.w3.org/1998/Math/MathML" xmlns:ns3="http://www.w3.org/2000/svg") or an element from another namespace

• GoogleDoc/MyBook.xhtml:199, 59: Error while parsing file: element "hr" not allowed here; expected the element end-tag, text, element "a", "abbr", "area", "audio", "b", "bdi", "bdo", "br", "button", "canvas", "cite", "code", "data", "datalist", "del", "dfn", "em", "embed", "i", "iframe", "img", "input", "ins", "kbd", "label", "link", "map", "mark", "meta", "meter", "ns1:switch", "ns2:math", "ns3:svg", "object", "output", "picture", "progress", "q", "ruby", "s", "samp", "script", "select", "small", "span", "strong", "sub", "sup", "template", "textarea", "time", "u", "var", "video" or "wbr" (with xmlns:ns1="http://www.idpf.org/2007/ops" xmlns:ns2="http://www.w3.org/1998/Math/MathML" xmlns:ns3="http://www.w3.org/2000/svg") or an element from another namespace