3170 2006-05-01 16:47:07 +0000 optional </li> close tag causes validation error with nested ol's 2006-05-01 16:50:10 +0000 1 1 1 Unclassified Validator check HEAD PC Windows XP RESOLVED INVALID http://alamo.nmsu.edu/~spodhaje/sitemap_non_valid.php P2 normal --- 1 gehossafats link www-validator-cvs oldest_to_newest 9539 0 gehossafats 2006-05-01 16:47:07 +0000 The following fails validation: <div> <ol class="lvl1"> <li><a href="index.php">Home</a> This is main page of this site.</li> <ol class="lvl2"> <li><a href="sitemap.php">Site Map</a> <em> You are here.</em></li> <li><a href="contact.php">Contact</a> This link will take you to a form where you can leave a message.</li> <li><a href="picture.php">Picture</a> This is a picture from 2005. When we had some snow.</li> <li><a href="flash.php">Flash</a> This link will take you to a Flash presentation on use a rescue disk.</li> <li><a href="assign7.php">Assign7</a> This page is the rest of Assignment 7, php and audio. <li><a href="Assign_8.php">Assign 8</a> PHP calculator script. <li><a href="Extra_credit.php">Extra Credit</a> Extra credit assignment. <li><a href="links.php">Links</a> This will take you to a page with some interesting links for programmers.</li> </ol> </ol> </div> However, removing the optional list item closing tag from the top level list allows the page to validate. http://alamo.nmsu.edu/~spodhaje/sitemap.php 9540 1 bjoern 2006-05-01 16:50:10 +0000 Your code is <ol><li></li><ol>... which is not allowed, the inner <ol> must be part of a list item.