Document pageant interoperability with OpenSSH etc

diff --git a/doc/man-pag.but b/doc/man-pag.but
index c021e9f1a99b2de3b25fbe9c1fb6e9f66dcf01c9..3ac9e09672881b025024bae38fd4a7f5dc3a9b75 100644 (file)
--- a/doc/man-pag.but
+++ b/doc/man-pag.but
@@ -4,7 +4,7 @@
 
 \S{pageant-manpage-name} NAME
 
-\cw{pageant} - SSH authentication agent for the PuTTY tools
+\cw{pageant} - PuTTY SSH authentication agent
 
 \S{pageant-manpage-synopsis} SYNOPSIS
 
@@ -37,6 +37,10 @@ that the server they are connecting to will accept.
 with an already-running agent to add or remove keys, list the keys, or
 extract their public half.
 
+The agent protocol used by \c{pageant} is compatible with the PuTTY
+tools and also with other implementations such as OpenSSH's SSH client
+and \e{ssh-agent(1)}.
+
 To run \c{pageant} as an agent, you must provide an option to tell it
 what its \e{lifetime} should be. Typically you would probably want
 Pageant to last for the duration of a login session, in which case you