Ciao a tutti. Ecco cosa accade se chiedo di convalidare il sito con il w3c.
E' una carneficina. Non so dove mettere le mani.
Aiutatemi!!! Grazie
1. Error Line 10 column 67: required attribute "ALT" not specified.
...="paginiziale.jpg" width=14 height=14> <a ="CURSOR: hand" onClick="this.style
The attribute given above is required for an element that you've used, but you have omitted it. For instance, in most HTML and XHTML document types the "type" attribute is required on the "script" element and the "alt" attribute is required for the "img" element.
Typical values for type are type="text/css" for <style> and type="text/javascript" for <script>.
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2. Error Line 10 column 72: an attribute specification must start with a name or name token.
...iniziale.jpg" width=14 height=14> <a ="CURSOR: hand" onClick="this.style.beha
An attribute name (and some attribute values) must start with one of a restricted set of characters. This error usually indicates that you have failed to add a closing quotation mark on a previous attribute value (so the attribute value looks like the start of a new attribute) or have used an attribute that is not defined (usually a typo in a common attribute name).
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3. Error Line 11 column 77: required attribute "ALT" not specified.
... src="stellapref.jpg" width=14 height=14>
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4. Error Line 17 column 64: there is no attribute "WIDTH".
... <input type=image src="cerca.jpg" name=search width=65 height=20>
You have used the attribute named above in your document, but the document type you are using does not support that attribute for this element. This error is often caused by incorrect use of the "Strict" document type with a document that uses frames (e.g. you must use the "Transitional" document type to get the "target" attribute), or by using vendor proprietary extensions such as "marginheight" (this is usually fixed by using CSS to achieve the desired effect instead).
This error may also result if the element itself is not supported in the document type you are using, as an undefined element will have no supported attributes; in this case, see the element-undefined error message for further information.
How to fix: check the spelling and case of the element and attribute, (Remember XHTML is all lower-case) and/or check that they are both allowed in the chosen document type, and/or use CSS instead of this attribute.
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5. Error Line 17 column 74: there is no attribute "HEIGHT".
...rc="cerca.jpg" name=search width=65 height=20>
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6. Error Line 25 column 76: required attribute "ALT" not specified.
..." title="Umbria arte turismo cultura">[img]umbria-turismo.jpg[/img]</div>
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8. Error Line 37 column 19: there is no attribute "SRC".
<embed src="flash1.swf" quality="high" pluginspage="http://www.macromedi
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9. Error Line 37 column 40: there is no attribute "QUALITY".
<embed src="flash1.swf" quality="high" pluginspage="http://www.macromedi
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10. Error Line 37 column 59: there is no attribute "PLUGINSPAGE".
...ash1.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashpl
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11. Error Line 37 column 110: there is no attribute "TYPE".
...cromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="4
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12. Error Line 37 column 148: there is no attribute "WIDTH".
...application/x-shockwave-flash" width="450" height="100"></embed></object>
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13. Error Line 37 column 161: there is no attribute "HEIGHT".
...-shockwave-flash" width="450" height="100"></embed></object>
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14. Error Line 37 column 166: element "EMBED" undefined.
...kwave-flash" width="450" height="100"></embed></object>
You have used the element named above in your document, but the document type you are using does not define an element of that name. This error is often caused by:
* incorrect use of the "Strict" document type with a document that uses frames (e.g. you must use the "Frameset" document type to get the "<frameset>" element),
* by using vendor proprietary extensions such as "<spacer>" or "<marquee>" (this is usually fixed by using CSS to achieve the desired effect instead).
* by using upper-case tags in XHTML (in XHTML attributes and elements must be all lower-case.
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15. Error Line 46 column 160: required attribute "ALT" not specified.
...g" width="100" height="50" border="0"></a>
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16. Error Line 422 column 25: start tag for "LI" omitted, but its declaration does not permit this.
Meteo <a href="dovesiamo.htm">Come raggiungerci</.
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17. Error Line 513 column 64: required attribute "TYPE" not specified.
... src="http://www.turismonelweb.it/public/lc2.asp?b=3"></script>
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18. Warning Line 528 column 58: cannot generate system identifier for general entity "cat".
.../www.goldenweb.it/dir/index.php?l=it&cat=419" target="_blank">goldenweb.it</.
An entity reference was found in the document, but there is no reference by that name defined. Often this is caused by misspelling the reference name, unencoded ampersands, or by leaving off the trailing semicolon (. The most common cause of this error is unencoded ampersands in URLs as described by the WDG in "Ampersands in URLs".
Entity references start with an ampersand (&) and end with a semicolon (
If this error appears in some markup generated by PHP's session handling code, this article has explanations and solutions to your problem.
Note that in most documents, errors related to entity references will trigger up to 5 separate messages from the Validator. Usually these will all disappear when the original problem is fixed.
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19. Error Line 528 column 58: general entity "cat" not defined and no default entity.
.../www.goldenweb.it/dir/index.php?l=it&cat=419" target="_blank">goldenweb.it</.
This is usually a cascading error caused by a an undefined entity reference or use of an unencoded ampersand (&) in an URL or body text. See the previous message for further details.
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20. Error Line 528 column 61: reference to entity "cat" for which no system identifier could be generated.
... goldenweb.it
This is usually a cascading error caused by a an undefined entity reference or use of an unencoded ampersand (&) in an URL or body text. See the previous message for further details.
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21. Info Line 528 column 57: entity was defined here.
...//www.goldenweb.it/dir/index.php?l=it&cat=419" target="_blank">goldenweb.it</
22. Warning Line 550 column 209: cannot generate system identifier for general entity "j".
.../e0.extreme-dm.com/s9.g?login=umeart&j=n&jv=n"/><script type="text/javascript
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23. Error Line 550 column 209: general entity "j" not defined and no default entity.
.../e0.extreme-dm.com/s9.g?login=umeart&j=n&jv=n"/><script type="text/javascript
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24. Error Line 550 column 210: reference to entity "j" for which no system identifier could be generated.
...e0.extreme-dm.com/s9.g?login=umeart&j=n&jv=n"/><script type="text/javascript"
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25. Info Line 550 column 208: entity was defined here.
...//e0.extreme-dm.com/s9.g?login=umeart&j=n&jv=n"/><script type="text/javascrip
26. Warning Line 550 column 213: cannot generate system identifier for general entity "jv".
...extreme-dm.com/s9.g?login=umeart&j=n&jv=n"/><script type="text/javascript" la
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27. Error Line 550 column 213: general entity "jv" not defined and no default entity.
...extreme-dm.com/s9.g?login=umeart&j=n&jv=n"/><script type="text/javascript" la
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28. Error Line 550 column 215: reference to entity "jv" for which no system identifier could be generated.
...treme-dm.com/s9.g?login=umeart&j=n&jv=n"/><script type="text/javascript" lang
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29. Info Line 550 column 212: entity was defined here.
....extreme-dm.com/s9.g?login=umeart&j=n&jv=n"/><script type="text/javascript" l
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