upstream commit
ssh-askpass(1) is the default, overridden by SSH_ASKPASS;
diff originally from jiri b;
diff --git a/ssh-add.1 b/ssh-add.1
index 926456f..f02b595 100644
--- a/ssh-add.1
+++ b/ssh-add.1
@@ -1,4 +1,4 @@
-.\" $OpenBSD: ssh-add.1,v 1.61 2014/12/21 22:27:56 djm Exp $
+.\" $OpenBSD: ssh-add.1,v 1.62 2015/03/30 18:28:37 jmc Exp $
.\"
.\" Author: Tatu Ylonen <ylo@cs.hut.fi>
.\" Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -35,7 +35,7 @@
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd $Mdocdate: December 21 2014 $
+.Dd $Mdocdate: March 30 2015 $
.Dt SSH-ADD 1
.Os
.Sh NAME
@@ -88,12 +88,11 @@
.It Fl c
Indicates that added identities should be subject to confirmation before
being used for authentication.
-Confirmation is performed by the
-.Ev SSH_ASKPASS
-program mentioned below.
-Successful confirmation is signaled by a zero exit status from the
-.Ev SSH_ASKPASS
-program, rather than text entered into the requester.
+Confirmation is performed by
+.Xr ssh-askpass 1 .
+Successful confirmation is signaled by a zero exit status from
+.Xr ssh-askpass 1 ,
+rather than text entered into the requester.
.It Fl D
Deletes all identities from the agent.
.It Fl d
@@ -156,6 +155,8 @@
.Ev SSH_ASKPASS
are set, it will execute the program specified by
.Ev SSH_ASKPASS
+(by default
+.Dq ssh-askpass )
and open an X11 window to read the passphrase.
This is particularly useful when calling
.Nm
@@ -197,6 +198,7 @@
.Sh SEE ALSO
.Xr ssh 1 ,
.Xr ssh-agent 1 ,
+.Xr ssh-askpass 1 ,
.Xr ssh-keygen 1 ,
.Xr sshd 8
.Sh AUTHORS