[Emacs-diffs] master 9dcdb13: Document how to listen on all interfaces in the Elisp manual

[Robert Pluim]

branch: master
commit 9dcdb1384df51a568af5ec35c9f0a762d3cf205b
Author: Robert Pluim <address@hidden>
Commit: Robert Pluim <address@hidden>

    Document how to listen on all interfaces in the Elisp manual
    
    * doc/lispref/processes.texi (Network Processes): Explain how to
    listen on all interfaces.
---
 doc/lispref/processes.texi | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/doc/lispref/processes.texi b/doc/lispref/processes.texi
index 2ba5b1c..287221a 100644
--- a/doc/lispref/processes.texi
+++ b/doc/lispref/processes.texi
@@ -2685,7 +2685,11 @@ the local host.  If you specify @var{host} for a server, 
it must
 specify a valid address for the local host, and only clients
 connecting to that address will be accepted.  When using @code{local},
 by default IPv4 will be used, specify a @var{family} of @code{ipv6} to
-override this.
+override this.  To listen on all interfaces, specify an address of
+@samp{"0.0.0.0"} for IPv4 or @samp{"::"} for IPv6.  Note that on some
+operating systems, listening on @samp{"::"} will also listen on IPv4,
+so attempting to then listen separately on IPv4 will result in
+@code{EADDRINUSE} errors (@samp{"Address already in use"}).
 
 @item :service @var{service}
 @var{service} specifies a port number to connect to; or, for a server,