Id attribute at ui:repeat tag

Hi.
I used ui:repeat tag,but this tag rendered dynamic id.
for example,
+<ui:repeat value="..." var="..." />+
+:::+
+<input id="formid:*j_idt7*:0:input1" type="text" name="formid:*j_idt7*:0:input1" value="a" />+
+<input id="formid:*j_idt7*:1:input1" type="text" name="formid:*j_idt7*:1:input1" value="a2" />+
So I used ui:repeat tag with id attribute.
I could generate static id.
+<ui:repeat value="..." var="..." id="repeat" />+
+:::+
+<input id="formid:*repeat*:0:input1" type="text" name="formid:*repeat*:0:input1" value="a" />+
+<input id="formid:*repeat*:1:input1" type="text" name="formid:*repeat*:1:input1" value="a2" />+
My question is where is this id attribute spec is written ?
I want to know the source.
Or if I did the mistake,please tell me the right way.
regards.

You may find it helpful to read the javadoc for UIComponent.getClientId(). Also section 3.1.6 of the JSF 2 specification.

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>
Hi,
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