@copying
-This file describes the PGG.
+This file describes PGG, an Emacs interface to various PGP implementations.
-Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
-Copyright (C) 2001 Daiki Ueno.
+Copyright @copyright{} 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+Copyright @copyright{} 2001 Daiki Ueno.
@quotation
Permission is granted to copy, distribute and/or modify this document
any later version published by the Free Software Foundation; with no
Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
Texts. A copy of the license is included in the section entitled ``GNU
-Free Documentation License''.
+Free Documentation License.''
@end quotation
@end copying
@defvar pgg-cache-passphrase
If non-@code{nil}, store passphrases. The default value of this
-variable is @code{t}. If you were worry about security issue, however,
-you could stop caching with setting it @code{nil}.
+variable is @code{t}. If you are worried about security issues,
+however, you could stop the caching of passphrases by setting this
+variable to @code{nil}.
@end defvar
@defvar pgg-passphrase-cache-expiry
Elapsed time for expiration in seconds.
@end defvar
+@defvar pgg-gpg-use-agent
+When using GnuPG (gpg) as PGP scheme you can use @code{gpg-agent} for
+caching@footnote{Actually @code{gpg-agent} does not cache passphrases
+but private keys. On the other hand, from a users point of view this
+technical difference isn't visible.}. If non-@code{nil} try to use a
+running @code{gpg-agent}. It defaults to @code{nil}.
+@end defvar
+
@node Default user identity
@section Default user identity