Merge from gnus--rel--5.10

Merge from gnus--rel--5.10

Patches applied:

 * emacs--devo--0  (patch 566, 569, 576)

   - Update from CVS
   - Merge from gnus--rel--5.10

 * gnus--rel--5.10  (patch 184-185)

   - Update from CVS
   - Merge from emacs--devo--0

2006-12-17  Chong Yidong  <cyd@stupidchicken.com>

   * lisp/pgg-gpg.el (pgg-gpg-use-agent): Default to t.

2006-12-24  Chong Yidong  <cyd@stupidchicken.com>

   * texi/pgg.texi (Caching passphrase): Default for pgg-gpg-use-agent changed
   to t.
   (Prerequisites): Add explanation about gpg-agent.

2006-12-17  Sascha Wilde  <wilde@sha-bang.de>

   * texi/pgg.texi: Added short note on gpg-agent to the introduction.

Revision: emacs@sv.gnu.org/gnus--devo--0--patch-266