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Patch
| revision 1.2 by wakaba, Mon Jul 16 08:38:48 2007 UTC | revision 1.32 by wakaba, Fri Aug 15 14:11:13 2008 UTC | |
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| # | Line 11 Web Document Conformance Checker (BETA)< | Line 11 Web Document Conformance Checker (BETA)< |
| 11 | <body> | <body> |
| 12 | <h1>Description of Errors</h1> | <h1>Description of Errors</h1> |
| 13 | ||
| 14 | <section id="character-encoding-layer"> | |
| 15 | <h2>Character Encoding Layer Errors</h2> | |
| 16 | ||
| 17 | <d:item name="illegal-octets-error" class="error-category-charset" level="m"> | |
| 18 | <d:message xml:lang="en">An illegal octet in the input stream.</d:message> | |
| 19 | </d:item> | |
| 20 | </section> | |
| 21 | ||
| 22 | <section id="html5-character-encoding"> | |
| 23 | <h2>HTML5 Character Encoding Errors</h2> | |
| 24 | ||
| 25 | <d:item name="disallowed character encoding" | |
| 26 | modules="ContentChecker"> | |
| 27 | <d:message xml:lang="en">Character encoding <code><var>{text}</var></code> | |
| 28 | is not allowed for <abbr>HTML</abbr> document.</d:message> | |
| 29 | <d:desc xml:lang="en"> | |
| 30 | <p>The character encoding used for the document is not allowed | |
| 31 | for <abbr>HTML</abbr> document. The document is non‐conforming.</p> | |
| 32 | </d:desc> | |
| 33 | </d:item> | |
| 34 | ||
| 35 | <d:item name="bad character encoding" | |
| 36 | modules="ContentChecker"> | |
| 37 | <d:message xml:lang="en">Character encoding <code><var>{text}</var></code> | |
| 38 | should not be used for <abbr>HTML</abbr> document.</d:message> | |
| 39 | <d:desc xml:lang="en"> | |
| 40 | <p>The character encoding used for the document is not recommended | |
| 41 | for <abbr>HTML</abbr> document. The document is non‐conforming | |
| 42 | unless there is any good reason to use that encoding.</p> | |
| 43 | </d:desc> | |
| 44 | </d:item> | |
| 45 | ||
| 46 | <d:item name="non-utf-8 character encoding" | |
| 47 | modules="ContentChecker"> | |
| 48 | <d:message xml:lang="en">Use of UTF-8 is encouraged (this document | |
| 49 | is encoded in <code><var>{text}</var></code>).</d:message> | |
| 50 | <d:desc xml:lang="en"> | |
| 51 | <p>Use of UTF-8 as the character encoding of the document is encouraged, | |
| 52 | though the use of another character encoding is still conforming.</p> | |
| 53 | </d:desc> | |
| 54 | </d:item> | |
| 55 | ||
| 56 | <d:item name="character encoding unchecked" | |
| 57 | modules="ContentChecker"> | |
| 58 | <d:message xml:lang="en">Conformance for character encoding requirements | |
| 59 | cannot be checked, since the input is not a byte stream.</d:message> | |
| 60 | <d:desc xml:lang="en"> | |
| 61 | <p>The conformance checker cannot detect whether the input document | |
| 62 | met the requirements on character encoding, since the document | |
| 63 | is not inputed as a serialized byte sequence. The document is | |
| 64 | not conforming if it is not encoded in an appropriate character | |
| 65 | encoding with appropriate labeling.</p> | |
| 66 | </d:desc> | |
| 67 | </d:item> | |
| 68 | ||
| 69 | <d:item name="no character encoding declaration" | |
| 70 | modules="ContentChecker"> | |
| 71 | <d:message xml:lang="en">There is no character encoding | |
| 72 | declaration.</d:message> | |
| 73 | <d:desc xml:lang="en"> | |
| 74 | <p>The document does not contain a character encoding | |
| 75 | declaration. Unless the character encoding is explicitly | |
| 76 | specified in lower‐level protocol, e.g. in <abbr>HTTP</abbr>, | |
| 77 | or is implied by <abbr>BOM</abbr>, there must be a character | |
| 78 | encoding declaration. The document is non‐conforming.</p> | |
| 79 | ||
| 80 | <p>The long character encoding declaration syntax | |
| 81 | <code class="html bad example"><meta http-equiv="Content-Type" content="text/html; charset=<var>charset-name</var>"></code> | |
| 82 | is obsolete. The new syntax is:</p> | |
| 83 | <pre class="html example"><code><meta charset="<var>charset-name</var>"></code></pre> | |
| 84 | ||
| 85 | <p>Note that the <code>encoding</code> declaration in <abbr>XML</abbr> | |
| 86 | declaration has no effect for <abbr>HTML</abbr> document.</p> | |
| 87 | </d:desc> | |
| 88 | </d:item> | |
| 89 | ||
| 90 | <d:item name="non ascii superset" | |
| 91 | modules="ContentChecker"> | |
| 92 | <d:message xml:lang="en">No character encoding metadata is found | |
| 93 | in lower‐level protocol nor is there <abbr>BOM</abbr>, while | |
| 94 | character encoding <code><var>{text}</var></code> | |
| 95 | is not a superset of <abbr>ASCII</abbr>.</d:message> | |
| 96 | <d:desc xml:lang="en"> | |
| 97 | <p>The document is not labeled with character encoding name | |
| 98 | in lower‐level protocol, e.g. in <abbr>HTTP</abbr>, and | |
| 99 | the document is not begin with <abbr>BOM</abbr>. In addition, | |
| 100 | the character encoding of the document is not a superset of | |
| 101 | <abbr>ASCII</abbr>. The document is non‐conforming.</p> | |
| 102 | ||
| 103 | <p>Unless there is a <abbr>BOM</abbr>, the character encoding | |
| 104 | for the document must be specified in e.g. <abbr>HTTP</abbr>‐level, | |
| 105 | as:</p> | |
| 106 | <pre class="http example"><code>Content-Type: text/html; charset=<var>charset-name</var></code></pre> | |
| 107 | ||
| 108 | <p>Existence of <abbr>HTML</abbr> character encoding declaration, i.e. | |
| 109 | <code class="html example"><meta charset="<var>charset-name</var>"></code>, | |
| 110 | &nb |