X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/39a938f7a5e16b4be9bee493251238710fbff396..5bbb5c6c2813c62f3a037f27b5ecb9f092f0dc15:/doc/using.but

diff --git a/doc/using.but b/doc/using.but
index 73905066..81dc5529 100644
--- a/doc/using.but
+++ b/doc/using.but
@@ -181,6 +181,14 @@ In an SSH connection, the following special commands are available:
 Should have no effect.
 }
 
+\b \I{Repeat key exchange, SSH special command}Repeat key exchange
+
+\lcont{
+Only available in SSH-2. Forces a repeat key exchange immediately (and
+resets associated timers and counters). For more information about
+repeat key exchanges, see \k{config-ssh-kex-rekey}.
+}
+
 \b \I{Break, SSH special command}Break
 
 \lcont{
@@ -310,7 +318,7 @@ up on your local machine without sending any X network traffic in
 the clear.
 
 In order to use this feature, you will need an X display server for
-your Windows machine, such as X-Win32 or Exceed. This will probably
+your Windows machine, such as Cygwin/X, X-Win32, or Exceed. This will probably
 install itself as display number 0 on your local machine; if it
 doesn't, the manual for the \i{X server} should tell you what it
 does do.
@@ -509,8 +517,9 @@ use the \c{-load} option (described in \k{using-cmdline-load}).
 \S{using-cleanup} \i\c{-cleanup}
 
 If invoked with the \c{-cleanup} option, rather than running as
-normal, PuTTY will remove its registry entries and random seed file
-from the local machine (after confirming with the user).
+normal, PuTTY will remove its \I{removing registry entries}registry
+entries and \I{random seed file} from the local machine (after
+confirming with the user).
 
 \S{using-general-opts} Standard command-line options
 
@@ -536,7 +545,7 @@ call something like
 \c d:\path\to\putty.exe -load "my session"
 
 (Note that PuTTY itself supports an alternative form of this option,
-for backwards compatibility. If you execute \c{putty @sessionname}
+for backwards compatibility. If you execute \i\c{putty @sessionname}
 it will have the same effect as \c{putty -load "sessionname"}. With
 the \c{@} form, no double quotes are required, and the \c{@} sign
 must be the very first thing on the command line. This form of the
@@ -708,7 +717,7 @@ These options are not available in the file transfer tools PSCP and
 PSFTP.
 
 \S2{using-cmdline-noshell} \I{-N-upper}\c{-N}: suppress starting a
-shell or command
+\I{suppressing remote shell}shell or command
 
 The \c{-N} option prevents PuTTY from attempting to start a shell or
 command on the remote server. You might want to use this option if
@@ -745,6 +754,16 @@ These options are equivalent to selecting your preferred SSH
 protocol version as \q{1 only} or \q{2 only} in the SSH panel of the
 PuTTY configuration box (see \k{config-ssh-prot}).
 
+\S2{using-cmdline-ipversion} \i\c{-4} and \i\c{-6}: specify an
+\i{Internet protocol version}
+
+The \c{-4} and \c{-6} options force PuTTY to use the older Internet
+protocol \i{IPv4} or the newer \i{IPv6}.
+
+These options are equivalent to selecting your preferred Internet
+protocol version as \q{IPv4} or \q{IPv6} in the Connection panel of
+the PuTTY configuration box (see \k{config-address-family}).
+
 \S2{using-cmdline-identity} \i\c{-i}: specify an SSH \i{private key}
 
 The \c{-i} option allows you to specify the name of a private key