Minor changes

diff --git a/man7/ip.7 b/man7/ip.7
index e367833aaf4f0a008ab39e6106a1f5836dca319c..466747f3b92c4dae4c3f24c6fda9df2e41bae9e5 100644 (file)
--- a/man7/ip.7
+++ b/man7/ip.7
@@ -25,10 +25,10 @@ ip \- Linux IPv4 protocol implementation
 .IB udp_socket " = socket(PF_INET, SOCK_DGRAM, " protocol ");"
 .SH DESCRIPTION
 Linux implements the Internet Protocol, version 4, 
-described in RFC791 and RFC1122. 
+described in RFC\ 791 and RFC\ 1122. 
 .B ip 
 contains a level 2 
-multicasting implementation conforming to RFC1112.  It also contains an IP 
+multicasting implementation conforming to RFC\ 1112.  It also contains an IP 
 router including a packet filter.
 .\" XXX: has someone verified that 2.1 is really 1812 compliant?
 .PP
@@ -69,7 +69,7 @@ for UDP sockets.  For
 .B SOCK_RAW 
 you may specify
 a valid IANA IP protocol defined in 
-RFC1700
+RFC\ 1700
 assigned numbers.
 .PP
 .\" XXX ip current does an autobind in listen, but I'm not sure if that should
@@ -206,7 +206,7 @@ and the option length.
 The
 .BR setsockopt (2)
 call sets the IP options associated with a socket.
-The maximum option size for IPv4 is 40 bytes. See RFC791 for the allowed
+The maximum option size for IPv4 is 40 bytes. See RFC\ 791 for the allowed
 options. When the initial connection request packet for a
 .B SOCK_STREAM
 socket contains IP options, the IP options will be set automatically
@@ -489,7 +489,7 @@ defaults to off.
 .B IP_MTU_DISCOVER
 Sets or receives the Path MTU Discovery setting
 for a socket. When enabled, Linux will perform Path MTU Discovery
-as defined in RFC1191
+as defined in RFC\ 1191
 on this socket. The don't fragment flag is set on all outgoing datagrams.
 The system-wide default is controlled by the 
 .B ip_no_pmtu_disc 
@@ -652,6 +652,11 @@ files or using the
 .\"    ip_conntrack_max     
 .BR sysctl (2)
 interface.
+Variables described as
+.I Boolean
+take an integer value, with a non-zero value ("true") meaning that
+the corresponding option is enabled, and a zero value ("false")
+meaning that the option is disabled.
 .\"
 .TP
 .BR ip_always_defrag " (Boolean)"
@@ -937,9 +942,9 @@ does not work in some 2.2 kernels.
 .BR tcp (7),
 .BR udp (7)
 .PP
-RFC791 for the original IP specification.
+RFC\ 791 for the original IP specification.
 .br
-RFC1122 for the IPv4 host requirements.
+RFC\ 1122 for the IPv4 host requirements.
 .br
-RFC1812 for the IPv4 router requirements.
+RFC\ 1812 for the IPv4 router requirements.
 \"  LocalWords:  XXX autobind INADDR REUSEADDR