D43537.diff
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	diff --git a/lib/libc/net/inet.3 b/lib/libc/net/inet.3
	--- a/lib/libc/net/inet.3
	+++ b/lib/libc/net/inet.3
	@@ -173,10 +173,15 @@
	order (bytes ordered from left to right).
	All network numbers and local address parts are
	returned as machine byte order integer values.
	-.Sh INTERNET ADDRESSES
	-Values specified using the
	+.Sh INTERNET ADDRESSES (IP VERSION 4)
	+The
	+.Fn inet_aton
	+and
	+.Fn inet_addr
	+functions accept IPv4
	+values specified using the
	.Ql .\&
	-notation take one
	+notation in one
	of the following forms:
	.Bd -literal -offset indent
	a.b.c.d
	@@ -210,6 +215,13 @@
	in the C language (i.e., a leading 0x or 0X implies
	hexadecimal; otherwise, a leading 0 implies octal;
	otherwise, the number is interpreted as decimal).
	+.Pp
	+Note that
	+.Fn inet_pton
	+does not accept 1-, 2-, or 3-part dotted addresses; all four parts
	+must be specified and are interpreted only as decimal values.
	+This is a narrower input set than that accepted by
	+.Fn inet_aton .
	.Sh DIAGNOSTICS
	The constant
	.Dv INADDR_NONE
	@@ -256,12 +268,6 @@
	.Fn inet_pton
	functions conform to
	.St -xns5.2 .
	-Note that
	-.Fn inet_pton
	-does not accept 1-, 2-, or 3-part dotted addresses; all four parts
	-must be specified and are interpreted only as decimal values.
	-This is a narrower input set than that accepted by
	-.Fn inet_aton .
	.Sh HISTORY
	These
	functions appeared in