<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html><head> <title>CSS Test: blocks inside inlines – append-to-empty-trailing-inline-1</title> <link rel="author" title="Boris Zbarsky" href="mailto:bzbarsky@mit.edu"> <link rel="author" title="Mozilla Corporation" href="http://mozilla.com/"> <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#anonymous-block-level"> <link rel="match" href="reference/block-in-inline-append-001-ref.htm"> <meta name="flags" content="dom"> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <meta http-equiv="Content-Style-Type" content="text/css"> <style type="text/css"> body > span { outline: 1px dotted black; } body > span > span { display: block; width: 10em; } </style> <script type="text/javascript"> function boom() { var n = document.getElementById("a"); n.parentNode.appendChild(n.cloneNode(true)); } </script> </head> <body onload="boom();"> <span><span id="a">A</span></span> </body></html>