How do you find the repository revision of a tag?

Simple question really:

I have a tag that points to the last QA version I created --
http://svn/dev/ads/tags/QA/ADS-5.3-Q-20

Now it is time for me to do the next QA revision which is based upon
the development tag http://svn/dev/tags/DEV/ADS-5.3-D-139.

I would like to generate a set of release notes based upon the changes
between the last QA tag, ADS-5.3-Q-20 and the development tag
ADS-5.3-D-139. Something like this:

    $ svn log -rADS-5.3-Q-20:ADS-5.3-D-139 http://svn/dev/ads/trunk

Unfortunately, the "svn log" command doesn't take the "tags" I
created, but must use the revision numbers the tags are based upon.

Is there an easy way to see what revision a particular tag is based
upon? I have to be able to do this programmatically, so it has to be
something that is easy to parse out.

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Received on 2008-07-16 19:33:31 CEST