XHTML: Form elements with 'tabindex' attribute skipped from tabbing order - mozilla.dev.tech.html

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Message from discussion XHTML: Form elements with 'tabindex' attribute skipped from tabbing order
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Date: Wed, 15 Jul 2009 11:46:29 +0300
From: Stanimir Stamenkov <s7a...@netscape.net>
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Subject: XHTML: Form elements with 'tabindex' attribute skipped from tabbing
 order
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I'll attach two sample identical documents: an HTML and an XHTML 
one.  Both have two form elements with a 'tabindex' attribute set 
and two which don't specify a 'tabindex'.  I've observed the 
elements with 'tabindex' set get skipped from the tabbing navigation 
after the first iteration when viewing the XHTML document.  The HTML 
one works just fine.  Is this a known issue?

-- 
Stanimir

--------------010201060206050005010006
Content-Type: text/html; charset=US-ASCII; name="tabindex-test.html"
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment; filename="tabindex-test.html"

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">


<html lang="en">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
  <title>Login (Test)</title>
</head>
<body>

<div><input type="text" name="dummy"></div>

<form id="login" name="login" action="">
<table>
  <tr>
    <td scope="row"><label for="uname">Username:</label></td>
    <td><input id="uname" type="text" name="uname" tabindex="1"></td>
  </tr>
  <tr>
    <td scope="row"><label for="passw">Password:</label></td>
    <td><input id="passw" type="password" name="passw" tabindex="2"></td>
  </tr>
  <tr>
    <td></td>
    <td><input type="submit" value="Login"></td>
  </tr>
</table>
</form>

</body>
</html>

--------------010201060206050005010006
Content-Type: application/xhtml+xml; name="tabindex-test.xhtml"
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment; filename="tabindex-test.xhtml"

<!DOCTYPE html 
    PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
           "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html lang="en" xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII" />
  <title>Login (Test)</title>
</head>
<body>

<div><input type="text" name="dummy" tabindex="4" /></div>

<form id="login" name="login" action="">
<table>
  <tr>
    <td scope="row"><label for="uname">Username:</label></td>
    <td><input id="uname" type="text" name="uname" tabindex="1" /></td>
  </tr>
  <tr>
    <td scope="row"><label for="passw">Password:</label></td>
    <td><input id="passw" type="password" name="passw" tabindex="2" /></td>
  </tr>
  <tr>
    <td></td>
    <td><input type="submit" value="Login" tabindex="3" /></td>
  </tr>
</table>
</form>

</body>
</html>

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