8 <b>Default tab size (
8).
</b>
14 <pre>xxxxxxxxx xx x
</pre>
16 <b>Tab size = -
10, should fall back to the default.
</b>
22 <pre>xxxxxxxxx xx x
</pre>
30 <pre>xxxxxxxxx xx x
</pre>
32 <b>Tab size becomes
2 dynamically.
</b>
38 <pre>xxxxxxxxx xx x
</pre>