D6080.diff
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	Index: head/lib/libc/sys/wait.2
	===================================================================
	--- head/lib/libc/sys/wait.2
	+++ head/lib/libc/sys/wait.2
	@@ -28,7 +28,7 @@
	.\" @(#)wait.2 8.2 (Berkeley) 4/19/94
	.\" $FreeBSD$
	.\"
	-.Dd December 3, 2013
	+.Dd June 1, 2016
	.Dt WAIT 2
	.Os
	.Sh NAME
	@@ -596,6 +596,14 @@
	fields of
	.Fa infop
	must be checked against zero to determine if a process reported status.
	+.Pp
	+.Fn wait
	+called with -1 to wait for any child process will ignore a child that is
	+referenced by a process descriptor (see
	+.Xr pdfork 2 ) .
	+Specific processes can still be waited on by specifying the process ID
	+or descriptor (see
	+.Xr pdwait 4 ) .
	.Sh ERRORS
	The
	.Fn wait