Update.

diff --git a/epa.texi b/epa.texi
index 4b35f88..7a1af3d 100644 (file)
--- a/epa.texi
+++ b/epa.texi
@@ -201,15 +201,15 @@ not alter the original text around OpenPGP cleartext blocks.
 @deffn Command epa-sign-region start end signers type
 Sign the current region between @var{start} and @var{end}.  By
 default, it creates a cleartext signature.  If a prefix argument is
-given, it will ask you to select signing keys, and then a signature
+given, it will let you to select signing keys, and then a signature
 type.
 @end deffn
 
 @deffn Command epa-encrypt-region start end recipients sign signers
 Encrypt the current region between @var{start} and @var{end}.  It will
-ask you to select recipients.  If a prefix argument is given, it will
+let you to select recipients.  If a prefix argument is given, it will
 also ask you whether or not to sign the plaintext before encryption
-and if you answered yes, it will ask you to select the signing keys.
+and if you answered yes, it will let you to select the signing keys.
 @end deffn
 
 @node Cryptographic operations on files
@@ -224,12 +224,12 @@ Verify @var{file}.
 @end deffn
 
 @deffn Command epa-sign-file file signers type
-Sign @var{file}.  If a prefix argument is given, it will ask you to
+Sign @var{file}.  If a prefix argument is given, it will let you to
 select signing keys, and then a signature type.
 @end deffn
 
 @deffn Command epa-encrypt-file file recipients
-Encrypt @var{file}.  It will ask you to select recipient keys.
+Encrypt @var{file}.  It will let you to select recipients.
 @end deffn
 
 @node Dired integration
@@ -238,7 +238,32 @@ Encrypt @var{file}.  It will ask you to select recipient keys.
 
 @node Encrypting/decrypting *.gpg files
 @section Encrypting/decrypting *.gpg files
-(not yet written.)
+Once @code{epa-setup} is loaded, every file whose extension is
+@samp{.gpg} will be treated as encrypted.  That is, when you attempt
+to open such a file which already exists, the decrypted text is
+inserted in the buffer rather than encrypted one.  On the other hand,
+when you attempt to save the buffer to a file whose extension is
+@samp{.gpg}, encrypted data is written.
+
+If you want to temporarily disable this behavior, use @kbd{M-x
+epa-file-disable}, and then to enable this behavior use @kbd{M-x
+epa-file-enable}.
+
+@deffn Command epa-file-disable
+Disable automatic encryption/decryption of *.gpg files.
+@end deffn
+
+@deffn Command epa-file-enable
+Enable automatic encryption/decryption of *.gpg files.
+@end deffn
+
+@code{epa-file} will let you to select recipients.  If you want to
+suppress this question, it might be good idea to put the following
+line on the first line of the plaintext.
+
+@lisp
+;; -*- epa-file-encrypt-to: ("ueno@@unixuser.org") -*-
+@end lisp
 
 @summarycontents
 @contents