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<html><body><h1>The fieldset form attribute</h1><form action="/action_page.php" method="get" id="form1"> <label for="favcolor">What is your favorite color?</label> <input type="text" id="favcolor" name="favcolor"> <input type="submit"></form><p>The fieldset below is outside the form, but still a part of the form.</p><fieldset form="form1"> <legend>Personalia:</legend> <label for="fname">First name:</label> <input type="text" id="fname" name="fname" form="form1"><br><br> <label for="lname">Last name:</label> <input type="text" id="lname" name="lname" form="form1"></fieldset></body></html>