HTML5 Parse Errors in Tree Construction Stage

+ + Start tag <{text}> is + not allowed after the body is closed. + + + + End tag </{text}> is + not allowed after the body is closed. + + + + Non‐white‐space characters are not allowed + after the body is closed. + + + + Start tag <{text}> is + not allowed after the frameset is closed. + + + + End tag </{text}> is + not allowed after the frameset is closed. + + + + Non‐white‐space characters are not allowed + after the frame is closed. + + - The $0 element cannot be - inserted between head and body elements. + The {text} element cannot be + inserted between head and body + elements.

A start tag appears after the head element is closed but before the body element is opened. @@ -503,22 +796,37 @@ - - A DOCTYPE appears after any - element or data character has been seen. - -

A DOCTYPE appears after any element or data character - has been seen. The document is non-conforming.

- -

The DOCTYPE must be placed before any - tag, reference, or data character. Only white space characters - and comments can be inserted before the DOCTYPE.

- + + Start tag <{text}> is + not allowed after the html is closed. + + + + End tag </{text}> is + not allowed after the html is closed. + + + + Non‐white‐space characters are not allowed + after the html is closed. + + + + The image element is + obsolete. + class="parse-error" + modules="HTML::Parser"> Anchor cannot be nested.

HTML a elements cannot be nested. @@ -530,8 +838,9 @@ - Tag <$0> + class="parse-error" + modules="HTML::Parser"> + Start tag <{text}> is not allowed in the body element.

The start or end tag of an element, which @@ -541,8 +850,58 @@ + + Some element is not closed before the end of + file. + + + + The button element cannot be + nested. + + + + Element is not closed before the end of + file. + + + + Start tag <form> is + not allowed in a form element. + + + + Start tag <{text}> is + not allowed in a framset element. + + + + End tag </{text}> is + not allowed in a frameset element. + + + + Non‐white‐space characters are not allowed + in a frameset element. + + + class="parse-error" + modules="HTML::Parser"> Start tag <head> is not allowed in the head element. @@ -555,9 +914,85 @@ + + A DOCTYPE appears after any + element or data character has been seen. + + + +

A DOCTYPE appears after any element or data character + has been seen. The document is non-conforming.

+ +

The DOCTYPE must be placed before any + tag, reference, or data character. Only white space characters + and comments can be inserted before the DOCTYPE.

+ + + + + The nobr element cannot be + nested. + + + + The {text} element is not + allowed in a noscript element in the + head element. + + + + An end tag </{text}> + appers before the noscript element is closed. + + + + A noscript element is not closed + before the end of file. + + + + Non‐white‐space characters are not allowed + in a noscript element in the head + element. + + + + Element is not closed before the end of + file. + + + + Start tag <{text}> + is not allowed in a select element. + + + + End tag </{text}> + is not allowed in a select element. + + - Tag <$0> + class="parse-error" + modules="HTML::Parser"> + Start tag <{text}> is not allowed in a table element.

The start or end tag of an element, which @@ -573,13 +1008,21 @@ - - Data character is not allowed in - table. + + End tag </{text}> + is not allowed in a table element. + + + + Non‐white‐space character is not allowed within + the table element, outside of the caption and cells. -

A data character appears in table. The document - is non-conforming.

A non‐white‐space character appears in table. + The document is non-conforming.

In table, only table related elements are allowed; any other element and data character must be contained in @@ -589,8 +1032,16 @@ + + The isindex element is + obsolete. + + + class="parse-error" + modules="HTML::Parser"> Start tag of tr element is missing. @@ -606,7 +1057,8 @@ + class="parse-error" + modules="HTML::Parser"> This document does not start with a DOCTYPE. @@ -624,8 +1076,9 @@ - Element $0 is not + class="parse-error" + modules="HTML::Parser"> + Element {text} is not closed.

End tag of an element is not found before, for example, @@ -657,7 +1110,8 @@ + class="parse-error" + modules="HTML::Parser"> This <html> tag is not the first start tag. @@ -675,7 +1129,8 @@ + class="parse-error" + modules="HTML::Parser"> This document is written in an old version of HTML. @@ -692,9 +1147,17 @@ + + Start tag <{text}> is + not allowed here. + + - Element $0 is not + class="parse-error" + modules="HTML::Parser"> + Element {text} is not opened.

An end tag appears though no element with the same name @@ -723,8 +1186,22 @@

Element Content Model Errors

+ + The base element with the + href attribute specified cannot be placed after + any attribute with a URL. + + + + The base element with the + target attribute specified cannot be placed after + any element that defines a hyperlink. + + + modules="ContentChecker::HTML"> Data character is not allowed in this context. @@ -750,9 +1227,15 @@ + + Non‐white‐space characters are not allowed in + an empty element. + + - There must be a $0 + modules="ContentChecker::HTML"> + There must be a {text} element as a child of this element.

The content model of the element is so defined that it @@ -783,6 +1266,12 @@ + + There must be at least one + hn element descendant. + + This element is not allowed in this @@ -851,10 +1340,103 @@ - - This element is not allowed as a root + + An area element cannot be used + outside of a map element. + + + + There is another base + element. + + + + In a datatemplate element, only + rule elements are allowed. + + + + In a details element, only at the + beginning of the element a lengend element + may be used. + + + + Elements are not allowed in an empty element. + + + + In a figure element, only at the + beginning or only at the end of the element a lengend element + may be used. + + + + This element is not allowed where flow + content is expected. + + + + A style element without + scoped attribute is not allowed in this context. + + + + This element is not allowed in a + noscript element in the head element. + + + + A style element with + scoped attribute is not allowed in the head + element. + + + + There is another title + element. + + + + This element is not allowed in this + context. + + + + The character encoding declaration must be the + first element in the head element. + + + + This element is not allowed where metadata + content is expected. + + + + This element is not allowed where phrasing + content is expected. + + + + This element is not allowed as the root + element of a document.

An element that is not allowed as the root element is used as the root element of the document. The document is @@ -881,9 +1463,50 @@ + + This element is not allowed as the root element + of an XML document. + + + + This element is not allowed in the ruby + element. + + + + This element is not allowed in this + context. + + + + This element is not defined. + + + + No significant content is contained + in this element. + + + + There is no significant content + before this element. + + + + No significant content is contained + at the end of this element. + + - There is no $0 + modules="ContentChecker::HTML"> + There is no {text} element before this element.

There must be an element before another element, but there @@ -894,14 +1517,20 @@ + + The content of a rp element must + be a parenthesis. + +

Attribute Errors

- Required attribute $0 + modules="ContentChecker::HTML"> + Required attribute {text} is not specified.

A required attribute is not specified. The document @@ -923,7 +1552,37 @@ - + + For an object at least one of + data and type attributes must be + specified. + + + + For a base element, at least one of + href and target attributes must be + specified. + + + + For a meta element with the + content attribute specified, exactly one of + name and http-equiv attributes must be + specified. + + + + For a meta element, exactly one of + name, http-equiv, and charset + attributes must be specified. + + + Attribute {local-name} is not allowed for {element-local-name} element. @@ -940,8 +1599,20 @@ + + The ismap attribute may only be + used for the image contained in an a element. + + + + This attribute is not defined. + + + class="attribute-error" + modules="ContentChecker::XML"> The xml:lang attribute is not allowed in HTML document. @@ -966,7 +1637,7 @@ + modules="ContentChecker::HTML"> The charset attribute is not allowed in XML document. @@ -982,7 +1653,7 @@ + modules="ContentChecker::HTML"> The lang attribute is not allowed in XML document. @@ -998,8 +1669,14 @@ + + A noscript element cannot be + used in XML document. + + + modules="ContentChecker::HTML"> The xmlns attribute in the null namespace is not allowed in XHTML document. The document is non-conforming. @@ -1017,10 +1694,36 @@

Attribute Value Errors

- - Character encoding name $0 - is not registered. + + Attribute value {@} + is not allowed. It must be an empty string or a string + {local-name}. + + + + The attribute value must be exactly one + character. + + + + A character reference cannot be used to + represent a character encoding name. + + + + Character encoding name + {value} is not the preferred name of that + character encoding. + + + + Character encoding name + {value} is not a registered name.

The specified character encoding name is not registered to IANA. Use of registered character encoding name @@ -1063,10 +1766,10 @@ - - $0 is a private - character encoding name. + + Character encoding name + {value} is a private name.

The specified character encoding name is a private name and not registered to IANA. Use of registered character @@ -1085,10 +1788,10 @@ - - The specified value is syntactically not a - character encoding name. + + The specified value {value} + is syntactically not a character encoding name.

The attribute value must be a character encoding name. However, the specified value is not a character encoding name syntactically. @@ -1098,8 +1801,106 @@ + + The specified value is not a color + name or hexadecimal color number. + + + + The coords attribute have to + contain three (3) numbers (specified: + {text}). + + + + The coords attribute have to + contain four (4) numbers (specified: + {text}). + + + + The coords attribute have to + contain more than or equal to six (6) numbers (specified: + {text}). + + + + The coords attribute have to + contain even number of numbers (specified: + {text}). + + + + The specified value {value} + is out of range. + + + + The specified value is not valid. + + + + Year number is out of range. + + + + Month number is out of range. + + + + Day number is out of range. + + + + Hour number is out of range. + + + + Minute number is out of range. + + + + Second number is out of range. + + + + Hour number of the timezone component is out of + range. + + + + Minute number of the timezone component is out of + range. + + + + The attribute value is not a datetime. + + + + The attribute value is not a date or + time. + + + modules="ContentChecker::HTML"> This attribute only allow a limited set of values and the specified value {@} is not one of them. @@ -1145,16 +1946,80 @@ + + Attribute value {@} + is not allowed. + + + + There is another pragma + {value}. + + + class="attribute-value-error" + modules="ContentChecker::XML ContentChecker::HTML"> This identifier has already been assigned to another element. + + The token {value} + appears in the attribute value twice. + + + + The attribute value must not be empty. + + + + The specified value is out of range. + + + + The attribute value is not a real + number. + + + + A fragment identifier references the element + itself. + + + + A fragment identifier references no + node. + + + + A hash−name reference must start with a + # character. + + + + The id attribute value is + different from the name attribute value. + + + + The attribute value is not an integer. + + - The link type $0 + modules="ContentChecker::HTML"> + The link type {value} cannot be specified for this element.

The specified link type cannot be used for the element. @@ -1169,9 +2034,22 @@ + + Attribute value {@} + is not an allowed value. + + + + The attribute value is not a length + value. + + - The link type $0 + modules="ContentChecker::HTML"> + The link type {value} is non-conforming.

The specified link type is non-conforming, and therefore @@ -1194,11 +2072,17 @@ - - Character encoding name $1 - is different from document character encoding - $0. + + The specified value is not a valid as a long + character encoding declaration. + + + + The specified character encoding name + {value} is different from the actual document + character encoding {text}.

The specified character encoding name is different from the character encoding of the document. The document @@ -1206,6 +2090,54 @@ + + Whether the specified character encoding name + {value} matches to the actual character encoding + name cannot be checked since the input is not a byte stream. + + + + The attribute value is not a valid mode + name. + + + + The specified value is out of range. + + + + The attribute value is not a non‐negative + integer. + + + + The usemap attribute references + no image map. + + + + The contextmenu attribute references + no menu. + + + + the specified value is not a valid as part + of a Refresh pragma. + + + + The attribute value is not an integer or + a string template. + + Browsing context name @@ -1226,14 +2158,21 @@ -

+ + Namespace name {text} + is reserved and cannot be used for an arbitrary prefix. + -

Attribute Value Warnings

+ + Namespace prefix {text} + is reserved and cannot be used for an arbitrary namespace name. + - - Link type $0 + + Link type {value} is proposed but not accepted yet; it should not be used until it has been accepted. @@ -1249,6 +2188,41 @@ + + The specified value {value} + is not a valid value. + + + + White space characters are not allowed + in the id attribute. + + + + The node referenced by the template + attribute is not a template. + + + + Browsing context name must not be empty. + + + + Browsing context name + {value} is reserved. + + + + The word {value} is not + allowed in this attribute. + +

@@ -1292,7 +2266,13 @@

Internet Media Type Warnings

Internet Media Type Errors

+ + + The specified value is not an Internet Media + Type. + @@ -1456,27 +2436,39 @@

Stability Information

- + + This attribute is deprecated. + + + + This element is deprecated. + + + This element is in the - call‐for‐implementation phase. + call for implementation stage. -

The element is in the call‐for‐implementation phase.

The element is in the call for implementation stage.

Usually, using the element is safe. However, it is a new feature so that it might not be implemented correctly. If it is found that the feature is hard or impossible to implement, the feature might be revised, or in some case it might be dropped.

Elements defined by HTML4, Atom 1.0, and XBL 2.0 belong to this - class.

Elements defined by Atom 1.0 (IETF Proposed Standard), and XBL 2.0 + (W3C Candidate Recommendation) belong to this class.

- + This element is in the last - call‐for‐comments phase. + call for comments stage. -

The element is in the last call‐for‐comments phase.

The element is in the last call for comments stage.

The element is relatively mature, though the standardization is not done yet. It may be used for experiments. Since it is a new @@ -1489,7 +2481,8 @@ - + This element is documented in a working draft. @@ -1504,13 +2497,72 @@ - + This element is not part of any - standard. + standard the conformance checker knows. + +

The element is not part of any standard or draft the conformance + checker is aware of.

+ +

The element should not be used for any practical purpose unless + there is really a standard that defines the element.

+ + + + + This attribute is in the + call for implementation stage. + +

The attribute is in the call for implementation stage.

+ +

Usually, using the attribute is safe. However, it is a new feature + so that it might not be implemented correctly. If it is found that + the feature is hard or impossible to implement, the feature + might be revised, or in some case it might be dropped.

+ + + + + This attribute is in the last + call for comments stage. + +

The attribute is in the last call for comments stage.

+ +

The attribute is relatively mature, though the standardization + is not done yet. It may be used for experiments. Since it is a new + feature, it might not be implemented correctly or at all. If it is + found that the feature is hard or impossible to implement, the feature + might be revised or might be dropped.

+ + + + + This attribute is documented in a working + draft. + +

The attribute is documented in a working or editor's draft + and not yet completed.

+ +

The attribute should not be used for any practical purpose. + The feature might be drastically changed later or might be + entirely removed.

+ + + + + This attribute is not part of any + standard the conformance checker knows. -

The element is not part of any standard or draft.

The attribute is not part of any standard or draft the conformance + checker is aware of.

The element should not be used for any practical purpose.

The attribute should not be used for any practical purpose unless + there is really a standard that defines the attribute.

@@ -1518,8 +2570,8 @@

Unsupported Messages

- + Conformance checking for element {local-name} is not supported; it might or might not be conforming. @@ -1529,8 +2581,8 @@ - + Conformance checking for attribute {local-name} of element {element-local-name} is not supported; @@ -1541,9 +2593,9 @@ - - Link type $0 is not + + Link type {value} is not standardized or registered at the time of the release of the conformance checker; it is non-conforming unless it now has been registered. @@ -1568,41 +2620,549 @@ + modules="ContentChecker::HTML"> Conformance checking for event handler attribute is not supported; it might or might not be conforming. + modules="ContentChecker::HTML"> Conformance checking for media query is not supported; it might or might not be conforming. - + Conformance checking for script - language $0 is not supported; + language {text} is not supported; it might or might not be conforming. - + Conformance checking for style - language $0 is not supported; + language {text} is not supported; it might or might not be conforming.

- -manakaiCompatMode:quirks;;Quirks Mode -manakaiCompatMode:limited quirks;;Limited Quirks Mode -manakaiCompatMode:no quirks;;No Quirks Mode - -manakaiIsHTML:1;;HTML Document -manakaiIsHTML:0;;XML Document - + + WebHACC (β) + + + + +

+ + +

+ + + + + Input + 入力 + + + + By URL + URL で指定 + + + + By direct input + 直接入力 + + + + More options + 検査オプション + + + + Check an error page + 誤り頁を検査する + + + + Content type + 内容型 + + + + Character encoding + 文字符号化 + + + + As specified + 指定通り + + + + Japanese character encodings + 日本語用文字符号化 + + + + European character encodings + 欧米言語用文字符号化 + + + + Asian character encodings + アジア諸語用文字符号化 + + + + Unicode character encodings + Unicode 系文字符号化 + + + + Document source to check + 検査する文書のソース + + + + Check + 検査 + + + + Setting innerHTML of HTML element + innerHTML に値を設定する HTML 要素 + + + + Information + 情報 + + + + HTTP + Header + HTTP + 頭部 + + + + Parse Errors + 構文誤り + + + + Parse Errors + 構文誤り + + + + Document Source + 文書のソース + + + + Source + ソース + + + + Structure of Tables + 表の構造 + + + + Tables + 表 + + + + Document Tree + 文書木 + + + + Tree + 木 + + + + Document + 文書 + + + + Document Structure + 文書構造 + + + + Structure + 構造 + + + + Reformatted Document Source + 再整形した文書のソース + + + + Reformatted + 再整形 + + + + Structural Errors + 構造的誤り + + + + Struct. Errors + 構造誤り + + + + Transfer Errors + 転送誤り + + + + Trans. Errors + 転送誤り + + + + Result + 結果 + + + + Quirks Mode + 奇癖モード + + + + Limited Quirks Mode + 限定奇癖モード + + + + No Quirks Mode + 無奇癖モード + + + + HTML Document + HTML 文書 + + + + XML Document + XML 文書 + + + + charset parameter + charset 引数 + + + + Input character encoding + 入力に用いた文字符号化 + + + + XML version + XML version + + + + XML encoding + XML encoding + + + + XML standalone + XML standalone + + + + (with BOM) + (BOM つき) + + + + URL + URL + + + + URLs + URL + + + + Container Node + この文書を含む節点 + + + + Table Element + 表要素 + + + + Base URL + 基底 URL + + + + Internet Media Type + インターネット媒体型 + + + + Character Encoding + 文字符号化 + + + + Byte Length + バイト長 + + + + Character Length + 文字長 + + + + (overridden) + (上書き) + + + + (overridden; official type is + {text}) + (上書き, 公式型は + {text}) + + + + (sniffed) + (探知結果) + + + + byte + バイト + + + + bytes + バイト + + + + character + 文字 + + + + characters + 文字 + + + + Line {text} + {text} 行 + + + + column {text} + {text} 列 + + + + Index {text} + 索引 #{text} + + + + Unknown location + 位置不明 + + + + Structure of Table #{text} + 表 #{text} の構造 + + + + Subdocument #{text} + 部分文書 #{text} + + + + Sub #{text} + 部分 #{text} + + + + .. + 〜 + + + + Score + 得点 + + + + Subtotal + 小計 + + + + Total + 合計 + + + + Main document + 主文書 + + + + Subdocuments + 部分文書 + + + + Transfer + 転送 + + + + Encoding + 符号 + + + + Character + 文字 + + + + Syntax + 構文 + + + + Structure + 構造 + + + + Semantics + 意味 + + + + N/A + − + + + + No error found. + 誤りは見つかりませんでした。 + + + + This document has no transfer protocol header error. + 転送プロトコルの頭部に誤りは見つかりませんでした。 + + + + This document has no parse error. + 構文解析中に誤りは見つかりませんでした。 + + + + This document has no structral error. + 構造上の誤りは見つかりませんでした。 + + + + +

Important: This conformance checking service + is under development. The result above might be wrong.

+ + +

重要: この適合性検査サービスは開発中です。 + この結果は間違いかもしれません。

+ + + + + No conformance‐error is + found in this document. + この文書に適合性に関わる誤りは見つかりませんでした。 + + + + This document + is likely non-conforming, but in rare case + it might be conforming. The checker cannot determine whether + this document is in the rare case or not. + この文書はおそらく不適合ですが、 + 稀に適合している場合もあります。適合性検査器はこの文書が稀な場合に該当するかどうか判定できません。 + + + + This document is + non-conforming. + この文書は不適合です。 + + + + The conformance + checker cannot decide whether the document is conforming or + not, since the document contains one or more unsupported + features. The document might or might not be conforming. + 適合性検査器はこの文書が適合するかどうか判定できませんでした。 + この文書は適合性検査器が対応していない機能を使っています。 + この文書は適合しているかもしれませんし、していないかもしれません。 + + + + MUST‐level + error + 必須級の誤り + + + + SHOULD‐level + error + 推奨級の誤り + + + + Warning + 警告 + + + + Information + 情報 + + + + Not + supported + 未対応 +

Error Levels

@@ -1658,7 +3218,7 @@

License of This Document

@@ -1666,6 +3226,6 @@ and/or modify it under the same terms as Perl itself.

- + \ No newline at end of file

Description of Errors

Character Encoding Layer Errors

HTML5 Character Encoding Errors