copyright.tex: Add 1995 to copyright message.
lib.tex: add libimp; remove bogus warning about lineii.
libmath.tex: document hypot().
libmd5.tex: rename md5.md5() to md5.new().
libposix.tex: document chown().
libposixfile.tex: openfile() instead of fileopen().
libsocket.tex: document gethostbyaddr().
libtypes.tex: add footnote explaining why readline() keeps the newline.
ref3.tex: correct typos, add back*quotes to index.
ref4.tex: don't use \verb inside footnote.
ref5.tex: explain repr() and str() and add them + back*quotes to index.
ref6.tex: correct typo, don't use \verb in footnote.
ref7.tex: don't use \verb in footnote.
diff --git a/Doc/lib/libsocket.tex b/Doc/lib/libsocket.tex
index 60b9d15..1026ef1 100644
--- a/Doc/lib/libsocket.tex
+++ b/Doc/lib/libsocket.tex
@@ -79,7 +79,16 @@
Return a string containing the hostname of the machine where
the Python interpreter is currently executing. If you want to know the
current machine's IP address, use
-\code{socket.gethostbyname( socket.gethostname() )} instead.
+\code{socket.gethostbyname(socket.gethostname())} instead.
+\end{funcdesc}
+
+\begin{funcdesc}{gethostbyaddr}{ip_address}
+Return a triple \code{(hostname, aliaslist, ipaddrlist)} where
+\code{hostname} is the primary host name responding to the given
+\var{ip_address}, \code{aliaslist} is a (possibly empty) list of
+alternative host names for the same address, and \code{ipaddrlist} is
+a list of IP addresses for the same interface on the same
+host (most likely containing only a single address).
\end{funcdesc}
\begin{funcdesc}{getservbyname}{servicename\, protocolname}