===================================================================
RCS file: /cvs/mandoc/apropos.1,v
retrieving revision 1.44
retrieving revision 1.47
diff -u -p -r1.44 -r1.47
--- mandoc/apropos.1	2017/03/27 14:40:39	1.44
+++ mandoc/apropos.1	2018/02/23 18:54:02	1.47
@@ -1,4 +1,4 @@
-.\"	$Id: apropos.1,v 1.44 2017/03/27 14:40:39 schwarze Exp $
+.\"	$Id: apropos.1,v 1.47 2018/02/23 18:54:02 schwarze Exp $
 .\"
 .\" Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
 .\" Copyright (c) 2011, 2012, 2014, 2017 Ingo Schwarze <schwarze@openbsd.org>
@@ -15,7 +15,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: March 27 2017 $
+.Dd $Mdocdate: February 23 2018 $
 .Dt APROPOS 1
 .Os
 .Sh NAME
@@ -24,7 +24,7 @@
 .Nd search manual page databases
 .Sh SYNOPSIS
 .Nm
-.Op Fl acfhklw
+.Op Fl afk
 .Op Fl C Ar file
 .Op Fl M Ar path
 .Op Fl m Ar path
@@ -328,6 +328,29 @@ Text production:
 .It Li \&Ox Ta Ox No version reference
 .It Li \&Dx Ta Dx No version reference
 .El
+.Pp
+In general, macro keys are supposed to yield complete results without
+expecting the user to consider actual macro usage.
+For example, results include:
+.Pp
+.Bl -tag -width 3n -offset 3n -compact
+.It Li \&Fa
+function arguments appearing on
+.Ic \&Fn
+lines
+.It Li \&Fn
+fuction names marked up with
+.Ic \&Fo
+macros
+.It Li \&In
+include file names marked up with
+.Ic \&Fd
+macros
+.It Li \&Vt
+types appearing as function return types and
+.It \&
+types appearing in function arguments in the SYNOPSIS
+.El
 .Sh ENVIRONMENT
 .Bl -tag -width MANPAGER
 .It Ev MANPAGER
@@ -407,7 +430,7 @@ variables:
 .Dl $ apropos \-s 3 Va=optind \-a Va=optarg
 .Pp
 Do exactly the same as calling
-.Xr whatis 1
+.Nm whatis
 with the argument
 .Qq ssh :
 .Pp