After hearing from someone who gave up on timeout sockets due to a
mistake in his code, I'm adding a note explaining that you should call
settimeout() before connect().
diff --git a/Doc/lib/libsocket.tex b/Doc/lib/libsocket.tex
index 09c4c8d..1c48108 100644
--- a/Doc/lib/libsocket.tex
+++ b/Doc/lib/libsocket.tex
@@ -625,6 +625,10 @@
timeout or non-blocking mode file operations that cannot be completed
immediately will fail.
+Note that the \method{connect()} operation is subject to the timeout
+setting, and in general it is recommended to call
+\method{settimeout()} before calling \method{connect()}.
+
\begin{methoddesc}[socket]{setsockopt}{level, optname, value}
Set the value of the given socket option (see the \UNIX{} manual page
\manpage{setsockopt}{2}). The needed symbolic constants are defined in