OpenPGP signing and Darcs

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Hi.

With git I rely heavily on OpenPGP-signing every commit with GPG, so
that users can confidently checkout any snapshot of the repository.

As far as I understand with Darcs, patches can be signed using GPG.
However, I cannot find out how to actually find them. How do I, using
darcs log or similar, actually see the signatures?

As an aside, as a git user and complete Darcs newbie, my understanding
of the ramifications of patches as first-class citizens is admittedly
lacking, so I am not entirely certain how OpenPGP signatures should
work with Darcs. I just want to make sure I can distribute my software
and patches with a certain guarantee for end-users regarding things
like MitM. If anyone has any documentation or guides I should look at
for this, that would be appreciated.
- -- 
Alexander
[email protected]
https://secure.plaimi.net/~alexander
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