Making a tag from a mixed rev WC

Are there any risks from making a tag from a mixed revision working copy
that has no modified files in it whatsoever? Basically, I want to
handcraft a WC with various "svn update"s, test it and then tag it by
doing a "svn copy wc url". Does this work?

Now, I do believe there are real problems in copying a WC that has
modifications in it due to the extra commits required.

-- 
Chris Wein
Software Manager
Mobilygen Corp.
E-Mail : cwein@mobilygen.com
Phone  : 408-869-4035
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