move text on ${array} => ${array[0]} implicitly, it is more global

mksh.1

@@ -1,8 +1,9 @@
-.\" $MirOS: src/bin/mksh/mksh.1,v 1.451 2017/08/16 21:40:14 tg Exp $
+.\" $MirOS: src/bin/mksh/mksh.1,v 1.452 2018/04/16 00:22:28 tg Exp $
 .\" $OpenBSD: ksh.1,v 1.160 2015/07/04 13:27:04 feinerer Exp $
 .\"-
 .\" Copyright © 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
-.\"		2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
+.\"		2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
+.\"		2018
 .\"	mirabilos <m@mirbsd.org>
 .\"
 .\" Provided that these terms and disclaimer and all copyright notices
@@ -76,7 +77,7 @@
 .\" with -mandoc, it might implement .Mx itself, but we want to
 .\" use our own definition. And .Dd must come *first*, always.
 .\"
-.Dd $Mdocdate: August 16 2017 $
+.Dd $Mdocdate: April 16 2018 $
 .\"
 .\" Check which macro package we use, and do other -mdoc setup.
 .\"
@@ -1364,6 +1365,10 @@ or
 where
 .Ar name
 is a parameter name.
+Substitutions of an an array in scalar context, i.e. without an
+.Ar expr
+in the latter form mentioned above, expand the element with the key
+.Dq 0 .
 Substitution of all array elements with
 .Pf ${ Ns Ar name Ns \&[*]}
 and
@@ -1519,11 +1524,7 @@ on it; if
 .Ar word
 is not needed, it is not evaluated.
 .Pp
-The following forms of parameter substitution can also be used (if
-.Ar name
-is an array, the element with the key
-.Dq 0
-will be substituted in scalar context):
+The following forms of parameter substitution can also be used:
 .Pp
 .Bl -tag -width Ds -compact
 .It Pf ${# Ns Ar name Ns \&}