winpgnt: document --keylist and bulk ops.

doc/pageant.but

@@ -47,6 +47,9 @@ When you want to shut down Pageant, click the right button on the
 Pageant icon in the System tray, and select \q{Exit} from the menu.
 Closing the Pageant main window does \e{not} shut down Pageant.
 
+If you want Pageant to stay running but forget all the keys it has
+acquired, select \q{Remove All Keys} from the System tray menu.
+
 \H{pageant-mainwin} The Pageant main window
 
 The Pageant main window appears when you left-click on the Pageant
@@ -167,6 +170,11 @@ by the command, like this:
 
 \c C:\PuTTY\pageant.exe d:\main.ppk -c C:\PuTTY\putty.exe
 
+\S{pageant-cmdline-keylist} Starting with the key list visible
+
+Start Pageant with the \i\c{--keylist} option to show the main window
+as soon as it starts up.
+
 \S{pageant-cmdline-restrict-acl} Restricting the \i{Windows process ACL}
 
 Pageant supports the same \i\c{-restrict-acl} option as the other
@@ -269,6 +277,11 @@ the key with \q{(\i{re-encryptable})} after it. You can revert it
 to the previous state, where a passphrase is required, using the
 \q{\i{Re-encrypt}} button in the Pageant main window.
 
+You can also \q{re-encrypt} all keys that were added encrypted by
+choosing \q{Re-encrypt All Keys} from the System tray menu.
+(Note that this does \e{not} discard cleartext keys that were not
+previously added encrypted!)
+
 \s{CAUTION}: When Pageant displays a prompt to decrypt an
 already-loaded key, it cannot give keyboard focus to the prompt dialog
 box. As far as I know this is a deliberate defensive measure by