Bonjour,

je suis en train de corrigé mes pages pour la validation w3c et j'ai réussi à enlever 64 erreurs pour le moment mais il m'en reste 5 que je ne comprends pas vraiment... si quelqu'un peut m'aider ?

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# Error  Line 4 column 76: value of fixed attribute "xmlns" not equal to default.
 
..."fr" xmlns="http://www.w3c.org/1999/xhtml">
 
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# Error Line 18 column 58: there is no attribute "border".
 
		<a href="index.php"><img src="images/header.png" border="0" alt="Header" usemap="#Map1" /></a>
 
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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# Error Line 36 column 15: there is no attribute "width".
 
    	<td width="146">
 
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# Error Line 37 column 30: there is no attribute "height".
 
			<table width="100%" height="564"  border="0" cellspacing="0" cellpadding="0">
 
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# Error Line 67 column 21: there is no attribute "background".
 
			<table background="images/news.png" width="100%" height="564" border="0" cell