NetBeans IDE Dev (Build 200701011900)
1.5.0_05; Java HotSpot(TM) Client VM 1.5.0_05-b05
Windows XP version 5.1 running on x86
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In a xml document,

<root>
<method name='z'>
x = 1;
[^place cursor here]
</root>

if I keyed in manually to close the method tag, auto-indent occurs:

<root>
    <method name='z'>
        x = 1;
    </method>
</root>

But if I depended on selecting from code-completion prompt to close the method 
tag, auto-indent would not occur.

Though I categorise this issue as a feature, I tend to think it's a defect. 
The defect being, auto-indent does not work equivalently but descriminates 
against use of code-completion from benefitting from auto-indent.