| 43 |
</d:desc> |
</d:desc> |
| 44 |
</d:item> |
</d:item> |
| 45 |
|
|
| 46 |
|
<d:item name="character encoding" class="format-charset unsupported" |
| 47 |
|
level="unsupported"> |
| 48 |
|
<d:message xml:lang="en">Conformance for character encoding requirements |
| 49 |
|
cannot be checked.</d:message> |
| 50 |
|
<d:desc xml:lang="en"> |
| 51 |
|
<p>The conformance checker cannot detect whether the input document |
| 52 |
|
met the requirements on character encoding, since the document |
| 53 |
|
is not inputed as a serialized byte sequence. The document is |
| 54 |
|
not conforming if it is not encoded in an appropriate character |
| 55 |
|
encoding with appropriate labeling.</p> |
| 56 |
|
</d:desc> |
| 57 |
|
</d:item> |
| 58 |
|
|
| 59 |
<d:item name="no character encoding declaration" class="format-charset error" |
<d:item name="no character encoding declaration" class="format-charset error" |
| 60 |
level="m"> |
level="m"> |
| 61 |
<d:message xml:lang="en">There is no character encoding |
<d:message xml:lang="en">There is no character encoding |
| 63 |
<d:desc xml:lang="en"> |
<d:desc xml:lang="en"> |
| 64 |
<p>The document does not contain a character encoding |
<p>The document does not contain a character encoding |
| 65 |
declaration. Unless the character encoding is explicitly |
declaration. Unless the character encoding is explicitly |
| 66 |
specified in upper‐level protocol, e.g. in <abbr>HTTP</abbr>, |
specified in lower‐level protocol, e.g. in <abbr>HTTP</abbr>, |
| 67 |
or is implied by <abbr>BOM</abbr>, there must be a character |
or is implied by <abbr>BOM</abbr>, there must be a character |
| 68 |
encoding declaration. The document is non‐conforming.</p> |
encoding declaration. The document is non‐conforming.</p> |
| 69 |
|
|
| 80 |
<d:item name="non ascii superset" class="format-charset error" |
<d:item name="non ascii superset" class="format-charset error" |
| 81 |
level="m"> |
level="m"> |
| 82 |
<d:message xml:lang="en">No character encoding metadata is found |
<d:message xml:lang="en">No character encoding metadata is found |
| 83 |
in upper‐level protocol nor is there <abbr>BOM</abbr>, while |
in lower‐level protocol nor is there <abbr>BOM</abbr>, while |
| 84 |
character encoding <code><var>$0</var></code> |
character encoding <code><var>$0</var></code> |
| 85 |
is not a superset of <abbr>ASCII</abbr>.</d:message> |
is not a superset of <abbr>ASCII</abbr>.</d:message> |
| 86 |
<d:desc xml:lang="en"> |
<d:desc xml:lang="en"> |
| 87 |
<p>The document is not labeled with character encoding name |
<p>The document is not labeled with character encoding name |
| 88 |
in upper‐level protocol, e.g. in <abbr>HTTP</abbr>, and |
in lower‐level protocol, e.g. in <abbr>HTTP</abbr>, and |
| 89 |
the document is not begin with <abbr>BOM</abbr>. In addition, |
the document is not begin with <abbr>BOM</abbr>. In addition, |
| 90 |
the character encoding of the document is not a superset of |
the character encoding of the document is not a superset of |
| 91 |
<abbr>ASCII</abbr>. The document is non‐conforming.</p> |
<abbr>ASCII</abbr>. The document is non‐conforming.</p> |
| 1017 |
<section id="attribute-value-errors"> |
<section id="attribute-value-errors"> |
| 1018 |
<h2>Attribute Value Errors</h2> |
<h2>Attribute Value Errors</h2> |
| 1019 |
|
|
| 1020 |
|
<d:item name="charset:not registered" class="attribute-value-warning warning" |
| 1021 |
|
level="w"> |
| 1022 |
|
<d:message xml:lang="en">Character encoding name <code><var>$0</var></code> |
| 1023 |
|
is not registered.</d:message> |
| 1024 |
|
<d:desc xml:lang="en"> |
| 1025 |
|
<p>The specified character encoding name is not registered to |
| 1026 |
|
<abbr>IANA</abbr>. Use of registered character encoding name |
| 1027 |
|
is a good practice to facilitate interoperability.</p> |
| 1028 |
|
|
| 1029 |
|
<dl class="switch"> |
| 1030 |
|
<dt><code>EUC-TW</code></dt> |
| 1031 |
|
<dd><code>EUC-TW</code> is not registered. Unfortunately, there |
| 1032 |
|
is no registered name for that character encoding. Use |
| 1033 |
|
Big5 encoding with character encoding name <code>Big5</code> |
| 1034 |
|
if it is enough to represent the document.</dd> |
| 1035 |
|
<dt><code>ISO-2022-JP-1</code></dt> |
| 1036 |
|
<dd><code>ISO-2022-JP-1</code> is not registered, nevertheless |
| 1037 |
|
this character encoding name is documented in |
| 1038 |
|
<a href="urn:ietf:rfc:2237"><abbr>RFC</abbr> 2237</a>. Use |
| 1039 |
|
<code>ISO-2022-JP-2</code> instead, since that character encoding |
| 1040 |
|
is a superset of ISO-2022-JP-1.</dd> |
| 1041 |
|
<dt><code>ISO-2022-JP-3</code>, <code>ISO-2022-JP-3-plane1</code></dt> |
| 1042 |
|
<dd>These names are not registered and obsoleted in favor of |
| 1043 |
|
<code>ISO-2022-JP-2004</code> and |
| 1044 |
|
<code>ISO-2022-JP-2004-plane1</code>.</dd> |
| 1045 |
|
<dt><code>ISO-2022-JP-2003</code>, |
| 1046 |
|
<code>ISO-2022-JP-2003-plane1</code></dt> |
| 1047 |
|
<dd>These names are not registered and corrected to |
| 1048 |
|
<code>ISO-2022-JP-2004</code> and |
| 1049 |
|
<code>ISO-2022-JP-2004-plane1</code>.</dd> |
| 1050 |
|
<dt><code>ISO-2022-JP-2004</code>, |
| 1051 |
|
<code>ISO-2022-JP-2004-plane1</code></dt> |
| 1052 |
|
<dd>These names are not registered. Unfortunately, there is |
| 1053 |
|
no registered name for these character encodings.</dd> |
| 1054 |
|
<dt><code>UTF-8N</code></dt> |
| 1055 |
|
<dd><code>UTF-8N</code> is not registered. Character encoding |
| 1056 |
|
name <code>UTF-8</code> represents UTF-8 encoding with or |
| 1057 |
|
without <abbr>BOM</abbr>.</dd> |
| 1058 |
|
</dl> |
| 1059 |
|
|
| 1060 |
|
<p><strong>WARNING</strong>: This error might be raised for |
| 1061 |
|
a registered character encoding name, since the character encoding |
| 1062 |
|
name database of the conformance checker is not complete yet.</p> |
| 1063 |
|
</d:desc> |
| 1064 |
|
</d:item> |
| 1065 |
|
|
| 1066 |
|
<d:item name="charset:private" class="attribute-value-warning warning" |
| 1067 |
|
level="w"> |
| 1068 |
|
<d:message xml:lang="en"><code><var>$0</var></code> is a private |
| 1069 |
|
character encoding name.</d:message> |
| 1070 |
|
<d:desc xml:lang="en"> |
| 1071 |
|
<p>The specified character encoding name is a private name and |
| 1072 |
|
not registered to <abbr>IANA</abbr>. Use of registered character |
| 1073 |
|
encoding name is a good practice to facilitate interoperability.</p> |
| 1074 |
|
|
| 1075 |
|
<dl class="switch"> |
| 1076 |
|
<dt><code>x-euc-jp</code></dt> |
| 1077 |
|
<dd>Use <code>EUC-JP</code> for the Japanese <abbr>EUC</abbr> |
| 1078 |
|
character encoding.</dd> |
| 1079 |
|
<dt><code>x-sjis</code></dt> |
| 1080 |
|
<dd>Use <code>Shift_JIS</code> for standard Shift encoding scheme of |
| 1081 |
|
<abbr>JIS</abbr> coded character set, or <code>Windows-31J</code> |
| 1082 |
|
for Microsoft standard character set as implemented by |
| 1083 |
|
Microsoft Windows.</dd> |
| 1084 |
|
</dl> |
| 1085 |
|
</d:desc> |
| 1086 |
|
</d:item> |
| 1087 |
|
|
| 1088 |
|
<d:item name="charset:syntax error" class="attribute-value-error" |
| 1089 |
|
level="m"> |
| 1090 |
|
<d:message xml:lang="en">The specified value is syntactically not a |
| 1091 |
|
character encoding name.</d:message> |
| 1092 |
|
<d:desc xml:lang="en"> |
| 1093 |
|
<p>The attribute value must be a character encoding name. However, |
| 1094 |
|
the specified value is not a character encoding name syntactically. |
| 1095 |
|
The document is non‐conforming.</p> |
| 1096 |
|
<p>Character encoding name is a string of <abbr>ASCII</abbr> |
| 1097 |
|
printable characters, up to 40 characters.</p> |
| 1098 |
|
</d:desc> |
| 1099 |
|
</d:item> |
| 1100 |
|
|
| 1101 |
<d:item name="enumerated:invalid" |
<d:item name="enumerated:invalid" |
| 1102 |
class="attribute-value-error"> |
class="attribute-value-error"> |
| 1103 |
<d:message xml:lang="en">This attribute only allow a limited set of |
<d:message xml:lang="en">This attribute only allow a limited set of |
| 1194 |
</d:desc> |
</d:desc> |
| 1195 |
</d:item> |
</d:item> |
| 1196 |
|
|
| 1197 |
|
<d:item name="mismatched charset name" class="attribute-value-error" |
| 1198 |
|
level="m"> |
| 1199 |
|
<d:message xml:lang="en">Character encoding name <code><var>$1</var></code> |
| 1200 |
|
is different from document character encoding |
| 1201 |
|
<code><var>$0</var></code>.</d:message> |
| 1202 |
|
<d:desc xml:lang="en"> |
| 1203 |
|
<p>The specified character encoding name is different from |
| 1204 |
|
the character encoding of the document. The document |
| 1205 |
|
is non‐conforming.</p> |
| 1206 |
|
</d:desc> |
| 1207 |
|
</d:item> |
| 1208 |
|
|
| 1209 |
<d:item name="reserved browsing context name" |
<d:item name="reserved browsing context name" |
| 1210 |
class="attribute-value-error"> |
class="attribute-value-error"> |
| 1211 |
<d:message xml:lang="en">Browsing context name |
<d:message xml:lang="en">Browsing context name |
| 1453 |
</d:item> |
</d:item> |
| 1454 |
</section> |
</section> |
| 1455 |
|
|
| 1456 |
|
<section id="information"> |
| 1457 |
|
<h2>Stability Information</h2> |
| 1458 |
|
|
| 1459 |
|
<d:item name="status:cr:element" class="level-i" level="i"> |
| 1460 |
|
<d:message xml:lang="en">This element is in the |
| 1461 |
|
<strong>call‐for‐implementation</strong> stage.</d:message> |
| 1462 |
|
<d:desc xml:lang="en"> |
| 1463 |
|
<p>The element is in the call‐for‐implementation stage.</p> |
| 1464 |
|
|
| 1465 |
|
<p>Usually, using the element is safe. However, it is a new feature |
| 1466 |
|
so that it might not be implemented correctly. If it is found that |
| 1467 |
|
the feature is hard or impossible to implement, the feature |
| 1468 |
|
might be revised, or in some case it might be dropped.</p> |
| 1469 |
|
|
| 1470 |
|
<p>Elements defined by Atom 1.0, and XBL 2.0 belong to this |
| 1471 |
|
class.</p> |
| 1472 |
|
</d:desc> |
| 1473 |
|
</d:item> |
| 1474 |
|
|
| 1475 |
|
<d:item name="status:lc:element" class="level-i" level="i"> |
| 1476 |
|
<d:message xml:lang="en">This element is in the <strong>last |
| 1477 |
|
call for comments</strong> stage.</d:message> |
| 1478 |
|
<d:desc xml:lang="en"> |
| 1479 |
|
<p>The element is in the last call for comments stage.</p> |
| 1480 |
|
|
| 1481 |
|
<p>The element is relatively mature, though the standardization |
| 1482 |
|
is not done yet. It may be used for experiments. Since it is a new |
| 1483 |
|
feature, it might not be implemented correctly or at all. If it is |
| 1484 |
|
found that the feature is hard or impossible to implement, the feature |
| 1485 |
|
might be revised or might be dropped.</p> |
| 1486 |
|
|
| 1487 |
|
<p>Elements defined by Web Forms 2.0 as well as some elements |
| 1488 |
|
defined by HTML5 belong to this class.</p> |
| 1489 |
|
</d:desc> |
| 1490 |
|
</d:item> |
| 1491 |
|
|
| 1492 |
|
<d:item name="status:wd:element" class="level-i" level="i"> |
| 1493 |
|
<d:message xml:lang="en">This element is documented in a <strong>working |
| 1494 |
|
draft</strong>.</d:message> |
| 1495 |
|
<d:desc xml:lang="en"> |
| 1496 |
|
<p>The element is documented in a working or editor's draft |
| 1497 |
|
and not yet completed.</p> |
| 1498 |
|
|
| 1499 |
|
<p>The element should not be used for any practical purpose. |
| 1500 |
|
The feature might be drastically changed later or might be |
| 1501 |
|
entirely removed.</p> |
| 1502 |
|
|
| 1503 |
|
<p>Most of new elements defined by HTML5 belong to this class.</p> |
| 1504 |
|
</d:desc> |
| 1505 |
|
</d:item> |
| 1506 |
|
|
| 1507 |
|
<d:item name="status:non-standard:element" class="level-i" level="i"> |
| 1508 |
|
<d:message xml:lang="en">This element is <strong>not part of any |
| 1509 |
|
standard</strong>.</d:message> |
| 1510 |
|
<d:desc xml:lang="en"> |
| 1511 |
|
<p>The element is not part of any standard or draft.</p> |
| 1512 |
|
|
| 1513 |
|
<p>The element should not be used for any practical purpose.</p> |
| 1514 |
|
</d:desc> |
| 1515 |
|
</d:item> |
| 1516 |
|
</section> |
| 1517 |
|
|
| 1518 |
<section id="unsupported-messages"> |
<section id="unsupported-messages"> |
| 1519 |
<h2><i>Unsupported</i> Messages</h2> |
<h2><i>Unsupported</i> Messages</h2> |
| 1520 |
|
|
| 1637 |
It does not affect to the conformance of the document, and |
It does not affect to the conformance of the document, and |
| 1638 |
may sometimes be inappropriate.</td> |
may sometimes be inappropriate.</td> |
| 1639 |
</tr> |
</tr> |
| 1640 |
<tr id="level-unsupported" class="level-unsupported"> |
<tr id="level-i" class="level-i"> |
| 1641 |
|
<th scope="row">Information</th> |
| 1642 |
|
<td>Conforming.</td> |
| 1643 |
|
<td>An informational message just provides an additional information |
| 1644 |
|
on the feature used in the document or the status of the retrieval |
| 1645 |
|
or so on. |
| 1646 |
|
It does not affect to the conformance of the document.</td> |
| 1647 |
|
</tr> |
| 1648 |
|
<tr id="level-u" class="level-u"> |
| 1649 |
<th scope="row">Not supported</th> |
<th scope="row">Not supported</th> |
| 1650 |
<td><em>Unknown</em>.</td> |
<td><em>Unknown</em>.</td> |
| 1651 |
<td>Some feature that is not supported by the conformance checker |
<td>Some feature that is not supported by the conformance checker |