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<title>Converting HTML files to XHTML files</title>
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<h1 class="topictitle1">Converting HTML files to XHTML files</h1>
<div><div class="skipspace"> The Extensible HyperText Markup Language (XHTML), a set of document

types that rework the HTML code using XML, is the successor of HTML. To take

advantage of the specifications that have been developed for XHTML, you can

convert existing HTML pages to XHTML pages.<p>To convert an existing HTML

file to an XHTML file, complete the following steps: </p>
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<ol><li class="skipspace"><span>Select <span><span class="menucascade"><span class="uicontrol">Tools</span> &gt; <span class="uicontrol">Convert

to XHTML</span></span></span>.</span></li>
<li class="skipspace"><span>Typically, you should accept the <span><span class="uicontrol">Insert XML declaration</span></span> check

box default in the <span><span class="uicontrol">Convert to XHTML</span></span> dialog

box. In addition, you should select the appropriate <span><span class="uicontrol">XHTML document

type</span></span> from the list box.</span></li>
<li class="skipspace"><span>Click <span><span class="uicontrol">OK</span></span>.</span> <p> A new

XHTML file <u>replaces</u> the converted HTML file, though the file extension

does not change. You can open the newly created XHTML file in the Source page

to verify that the appropriate XML declaration and document type value are

reflected.</p>
</li>
<li class="skipspace"><span>The <span class="uicontrol">Convert to XHTML</span> dialog is also available

for existing <i>XHTML</i> files, because it may be applicable in the following

cases: </span>   <ul><li>It can be used to change DOCTYPE declaration from one XHTML DTD to another;

for example, from XHTML 1.0 Transitional to XHTML Basic 1.0.</li>
<li>It can be used to clean up tags that don't conform to XHTML standards,

 such as upper case tags in an existing XHTML file.</li>
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