do not advertise printf(1)

mksh.1

@@ -1,4 +1,4 @@
-.\" $MirOS: src/bin/mksh/mksh.1,v 1.291 2012/07/30 21:37:13 tg Exp $
+.\" $MirOS: src/bin/mksh/mksh.1,v 1.292 2012/08/03 18:34:31 tg Exp $
 .\" $OpenBSD: ksh.1,v 1.144 2012/07/08 08:13:20 guenther Exp $
 .\"-
 .\" Copyright © 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
@@ -74,7 +74,7 @@
 .\" with -mandoc, it might implement .Mx itself, but we want to
 .\" use our own definition. And .Dd must come *first*, always.
 .\"
-.Dd $Mdocdate: July 30 2012 $
+.Dd $Mdocdate: August 3 2012 $
 .\"
 .\" Check which macro package we use, and do other -mdoc setup.
 .\"
@@ -2872,8 +2872,8 @@ regular commands
 .Pp
 .Ic \&[ , chdir , bind , cat ,
 .Ic echo , let , mknod , print ,
-.Ic printf , pwd , realpath , rename ,
-.Ic sleep , test , ulimit , whence
+.Ic pwd , realpath , rename , sleep ,
+.Ic test , ulimit , whence
 .Pp
 In the future, the additional
 .Nm
@@ -3240,8 +3240,6 @@ defaults to 1.
 .Em Warning:
 this utility is not portable; use the Korn shell builtin
 .Ic print
-or the much slower POSIX utility
-.Ic printf
 instead.
 .Pp
 Prints its arguments (separated by spaces) followed by a newline, to the
@@ -3633,15 +3631,16 @@ option suppresses the trailing newline.
 .Pp
 .It Ic printf Ar format Op Ar arguments ...
 Formatted output.
-Approximately the same as the utility
-.Ic printf ,
-except that it uses the same
+Approximately the same as the
+.Xr printf 1 ,
+utility, except it uses the same
 .Sx Backslash expansion
 and I/O code as the rest of
 .Nm mksh .
 This is not normally part of
 .Nm mksh ;
 however, distributors may have added this as builtin as a speed hack.
+Do not use in new code.
 .Pp
 .It Ic pwd Op Fl LP
 Print the present working directory.
@@ -6151,7 +6150,6 @@ contains the system and suid profile.
 .Xr cat 1 ,
 .Xr ed 1 ,
 .Xr getopt 1 ,
-.Xr printf 1 ,
 .Xr sed 1 ,
 .Xr sh 1 ,
 .Xr stty 1 ,