salve
quando provo a validare il mio documento in xhtml 1.1 mi visualizza due warning
la pagina è una pagina di php. da qui il secondo warning ma non so come risolvere.codice:DOCTYPE Override in effect! The detected DOCTYPE Declaration "<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">" has been suppressed and the DOCTYPE for "XHTML 1.1" inserted instead, but even if no errors are shown below the document will not be Valid until you update it to reflect this new DOCTYPE. Conflict between Mime Type and Document Type The document is being served with the text/html Mime Type which is not a registered media type for the XHTML 1.1 Document Type. The recommended media type for this document is: application/xhtml+xml Using a wrong media type for a certain document type may confuse the validator and other user agents with respect to the nature of the document, and you may get some erroneous validation errors. How to fix this problem? One of the following techniques should help: If you are serving a static file on a Web server, changing its extension should help. Use e.g .xhtml for XHTML or .mathml for MathML. You may need to reconfigure your Web server. This Setting up MIME Types tutorial has instructions for Apache, Tomcat and IIS. If the document is generated dynamically, the scripting language should allow you to set up the mime type: this article on MIME Types and Content Negotiation has examples in PHP, Perl, and ASP.
grazie in anticipo
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