<pre>123456<span style="-moz-tab-size: 4">B&#9;Z</span>
1234567<span style="-moz-tab-size: 4">B&#9;Z</span>
12345678<span style="-moz-tab-size: 4">B&#9;Z</span>
123456789<span style="-moz-tab-size: 4">B&#9;Z</span>
1234567890<span style="-moz-tab-size: 4">B&#9;Z</span>
12345678901<span style="-moz-tab-size: 4">B&#9;Z</span></pre>