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    <p>The <a href="http://validator.w3.org/docs/help.html#icon-usage" rel="nofollow noreferrer">purpose of these <em>W3C valid</em> badges</a> is:</p> <blockquote> <p>To show readers that one has taken some care to create an interoperable Web page, a "W3C valid" badge may be displayed (here, the "valid XHTML 1.0" badge) <strong>on any page that validates.</strong></p> </blockquote> <p>But the <a href="http://validator.w3.org/docs/help.html#icon-license" rel="nofollow noreferrer">usage is restricted</a>:</p> <blockquote> <p>Web content providers are granted the right to use the "W3C valid" logo on pages that pass validation (through the use of the <a href="http://validator.w3.org/" rel="nofollow noreferrer">W3C Markup Validator</a>) for the W3C technology represented by the icon, and <strong>only</strong> on pages that pass validation. The icon must be used as a link to revalidate the Web page, thus providing a way to verify the page author's assertion that it passed validation.</p> <p>[…] the icons are <strong>only</strong> a mechanism to identify pages that have been determined to be valid, and to easily revalidate pages as often as as they are modified.</p> </blockquote> <p>So these badges are intended to be used to easily revalidate the page the badge is on to prove the promise you make by placing it on your page (if they really think validity is an honorable achievement rather than a matter of course).</p> <p>But the funny thing is that <a href="http://dev.opera.com/articles/view/mama/" rel="nofollow noreferrer">Opera’s MAMA project</a> found that <a href="http://dev.opera.com/articles/view/mama-w3c-validator-research-2/?page=2" rel="nofollow noreferrer">not even 50% of those pages that had such a banner were actually valid</a>. In that case such a badge is rather a self-humiliation, pointing the readers to something they wouldn’t have noticed themselves.</p>
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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