WebHACC + is a conformance checker (or validator) for Web documents, + supporting latest Web standards including + HTML5, + Atom 1.0, + CSS3.
+ + +WebHACC + は、 Web 文書のための適合性検査器 (妥当性検証器) です。 + HTML5、 + Atom 1.0、 + CSS3 + などの最新の Web 標準に対応しています。
+ + + + +{text}, a character encoding declaration specifying
@@ -204,44 +245,13 @@
<$0>
- is not allowed after the end tag </html>.The start or end tag of an element appears after the
- html element has been closed. The document is
- non-conforming.
Any content of the document other than comments
- must be put into the html element.
<$0>
- is not allowed after the end tag </body>.The start or end tag of an element appears after the
- body element has been closed. The document is
- non-conforming.
Any content of the document other than head
- contents and comments must be put into the body
- element.
", ', and =."
or ' if it contains a ", ', or
@@ -249,7 +259,6 @@
& character must
be escaped as &.</ string is not followed
by a tag name.< character is not followed
by tag name or by a ! character.&#.&#x.<! is not followed
by --.</ is not followed
by tag name.{text} is not allowed.U+000D (CARRIAGE RETURN)
@@ -458,7 +459,6 @@
-- sequence
in a comment.{text}.<>) is not
allowed.</>) is not
allowed.{text} is not allowed./>) cannot be
used for this element.<!DOCTYPE , the
document type name must be specified.PUBLIC, no
oublic identifier is specified.; character.<!DOCTYPE, there
must be at least a white space character before the document type
@@ -594,21 +584,18 @@
SYSTEM, no
system identifier is specified.<?...>) is not allowed in HTML
@@ -661,77 +648,66 @@
PUBLIC.SYSTEM.-->.DOCTYPE is not closed by a
> character.>
character.<{text}> is
not allowed after the body is closed.</{text}> is
not allowed after the body is closed.body is closed.<{text}> is
not allowed after the frameset is closed.</{text}> is
not allowed after the frameset is closed.frame is closed.{text} element cannot be
inserted between head and body
elements.<{text}> is
not allowed after the html is closed.The start tag of an element appears after the
+ body element has been closed. The document is
+ non-conforming.
Any content of the document other than head
+ contents and comments must be put into the body
+ element.
</{text}> is
not allowed after the html is closed.The end tag of an element appears after the
+ body element has been closed. The document is
+ non-conforming.
Any content of the document other than head
+ contents and comments must be put into the body
+ element.
html is closed.image element is
obsolete.<{text}>
is not allowed in the body element.button element cannot be
nested.<form> is
not allowed in a form element.<{text}> is
not allowed in a framset element.</{text}> is
not allowed in a frameset element.frameset element.<head>
is not allowed in the head element.DOCTYPE appears after any
element or data character has been seen.nobr element cannot be
nested.{text} element is not
allowed in a noscript element in the
@@ -947,21 +918,18 @@
</{text}>
appers before the noscript element is closed.noscript element is not closed
before the end of file.noscript element in the head
@@ -969,28 +937,24 @@
<{text}>
is not allowed in a select element.</{text}>
is not allowed in a select element.<{text}>
is not allowed in a table element.</{text}>
is not allowed in a table element.table element, outside of the caption and cells.isindex element is
obsolete.tr
element is missing.e4x.{value}, is syntactically not a valid
+ attribute name.{value} is used.{value} is used.{@}: An obsolete
- subtype is used.{value} is used.The specified Internet Media Type is registered with status - of OBSOLETE.
+ of OBSOLETE.text/ecmascript{text} have to
+ be specified for the Internet Media Type
+ {value}.{value} is not
+ allowed for this Internet Media Type.{@}: A private
- (x- or x.) subtype is used.{value} is not encouraged.{value} is not encouraged.{value} is
+ syntactically not a valid subtype value of an Internet Media Type.{value} is
+ syntactically not a valid type.{value}
+ is used. The conformance checker cannot determine whether use of this
+ parameter is valid or not.{value} is used. At the time of the update of
+ the conformance checker's Internet Media Type database, the subtype is
+ not reigstered to the IANA registry. The subtype, however, might be
+ registerd to the IANA registry thereafter. Please consult the IANA
+ registry.{@}: The subtype is
- not registered to IANA.{value} is not encouraged since it is not
+ part of the IANA registry.{value} is not encouraged since it is not
+ a standardized type.{value} is not supported by the
- conformance checker.{text} is not defined.hand is not valid as
+ <'cursor'>.{text} is not supported.No more information is available for this topic.
+これについての詳しい情報はありません。
+A violation to a hard requirement of the specification. + The document is non‐conforming.
+A violation to a requirement of the specification. + The violation might be legitimize in some case. Otherwise, + the document is non‐conforming.
+A warning is an advice from the conformance checker + to avoid solving a problem in a confusing or possibly wrong way. + It does not affect to the conformance of the document, and + may sometimes be inappropriate.
+An informational message just provides an additional information + on the feature used in the document or the status of the retrieval + or so on. + It does not affect to the conformance of the document.
+Some feature that is not supported by the conformance checker + is used in the document.
+| Level | -Conforming? | -Description | -
|---|---|---|
| MUST‐level error | -Non‐conforming. | -A violation to a hard requirement of the specification. -The document is non‐conforming. | -
| SHOULD‐level error | -Non‐conforming, but in some case -conforming. | -A violation to a requirement of the specification. -The violation might be legitimize in some case. Otherwise, -the document is non‐conforming. | -
| Warning | -Conforming. | -A warning is an advice from the conformance checker to avoid -to solve a problem in a confusing or possibly wrong way. -It does not affect to the conformance of the document, and -may sometimes be inappropriate. | -
| Information | -Conforming. | -An informational message just provides an additional information -on the feature used in the document or the status of the retrieval -or so on. -It does not affect to the conformance of the document. | -
| Not supported | -Unknown. | -Some feature that is not supported by the conformance checker -is used in the document. | -