Newbie to Java Doc

Hello All,
I am pretty new to JavaDoc - i got a general hang of it and did some sample java doc generations for some java files to understand more better. Now I have been requested to create custom javadoc tags for an existing project. How do I go about this? It would be appreciated if anyone could help me out with pointers .
Thanks

Depending on how complex the produced output of your custom tags should be you can either use Javadoc's -tag option or write a custom Taglet.
See [http://java.sun.com/j2se/1.5.0/docs/tooldocs/windows/javadoc.html#tag] and [http://java.sun.com/j2se/1.5.0/docs/guide/javadoc/taglet/overview.html] for related documentation.

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