How do you patch a debian package?

[IBMackey <ibum@stic.net>]

I downloaded the debian package for message handler email system. Turns
out it doesn't view the digest list formats correctly. On checking the
net, I found under mh's homepage, there's a patch. I'm a newbie and have
very little C expertise, how do I patch the debian package ?

Any help is much appreciated.

i.b.



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