request, util and other taglibs

["Juan J. Merelo" <jj...@civista.com>]

Where's the reference for them? Is there other way of knowing what they do
than looking at the source code?

Thanks!

J
Name: Juan J. Merelo
Title: Consultant
Civista
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util taglib.....?

[Amin <am...@imkenberg.net>]

Where's the reference for it? 
Can any one describe what it do ?
or send a documentation for using it.

Thanks,
M. Amin