Merge docs and icon fixes from 'pre-0.77'.

doc/index.but

@@ -867,6 +867,11 @@ saved sessions from
 \IM{authentication agent} agent, authentication
 
 \IM{-c-pageant} \c{-c} Pageant command-line option
+\IM{--keylist} \c{--keylist} Pageant command-line option
+\IM{--openssh-config} \c{--openssh-config} Pageant command-line option
+
+\IM{Windows OpenSSH} Windows OpenSSH
+\IM{Windows OpenSSH} OpenSSH, on Windows
 
 \IM{FAQ} FAQ
 \IM{FAQ} Frequently Asked Questions

doc/pageant.but

@@ -170,7 +170,7 @@ by the command, like this:
 
 \c C:\PuTTY\pageant.exe d:\main.ppk -c C:\PuTTY\putty.exe
 
-\S{pageant-cmdline-openssh} Integrating with Windows OpenSSH
+\S{pageant-cmdline-openssh} Integrating with \i{Windows OpenSSH}
 
 Windows's own port of OpenSSH uses the same mechanism as Pageant to
 talk to its SSH agent (Windows named pipes). This means that Windows
@@ -184,7 +184,7 @@ configuration, then \c{ssh.exe} should automatically use Pageant as
 its agent, so that you can keep your keys in one place and have both
 SSH clients able to use them.
 
-The option is \c{--openssh-config}, and you follow it with a filename.
+The option is \i\c{--openssh-config}, and you follow it with a filename.
 
 To refer to this file from your main OpenSSH configuration, you can
 use the \cq{Include} directive. For example, you might run Pageant

doc/pubkey.but

@@ -549,6 +549,11 @@ key.
 
 }
 
+\dt \cw{\-E} \e{fptype}
+
+\dd Algorithm to use when displaying key fingerprints. You can
+select \c{sha256} or \c{md5}. See \k{puttygen-fingerprint}.
+
 \H{pubkey-gettingready} Getting ready for public key authentication
 
 Connect to your SSH server using PuTTY with the SSH protocol. When the