-.\" $MirOS: src/bin/mksh/mksh.1,v 1.442 2017/04/12 18:30:58 tg Exp $
+.\" $MirOS: src/bin/mksh/mksh.1,v 1.451 2017/08/16 21:40:14 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,
.\" with -mandoc, it might implement .Mx itself, but we want to
.\" use our own definition. And .Dd must come *first*, always.
.\"
-.Dd $Mdocdate: April 12 2017 $
+.Dd $Mdocdate: August 16 2017 $
.\"
.\" Check which macro package we use, and do other -mdoc setup.
.\"
which did print the delimiter character so you were out of luck
if you did not have any non-printing characters.
.Pp
-Since Backslashes and other special characters may be
+Since backslashes and other special characters may be
interpreted by the shell, to set
.Ev PS1
either escape the backslash itself
.Pq colour would work, too ,
in the prompt string:
.Bd -literal -offset indent
-x=$(print \e\e001)
+x=$(print \e\e001) # otherwise unused char
PS1="$x$(print \e\er)$x$(tput so)$x\e$PWD$x$(tput se)$x\*(Gt "
.Ed
.Pp
.Ic alias
lists all aliases.
For any name without a value, the existing alias is listed.
-Any name with a value defines an alias (see
+Any name with a value defines an alias; see
.Sx Aliases
-above).
-.Li \&[A\-Za\-z0\-9_!%,@\-]
-are valid in names except they may not begin with a hyphen-minus.
+above.
+.Li \&[][A\-Za\-z0\-9_!%,.@:\-]
+are valid in names, except they may not begin with a hyphen-minus, and
+.Ic \&[[
+is not a valid alias name.
.Pp
When listing aliases, one of two formats is used.
Normally, aliases are listed as
.Pp
Control characters may be written using caret notation
i.e. \*(haX represents Ctrl-X.
-Note that although only two prefix characters (usually ESC and \*(haX)
+The caret itself can be escaped by a backslash, which also escapes itself.
+Note that although only three prefix characters (usually ESC, \*(haX and NUL)
are supported, some multi-character sequences can be supported.
.Pp
The following default bindings show how the arrow keys, the home, end and
.Dq sh
and this autodetection feature is compiled in
.Pq not in MirBSD .
-As a side effect, setting this flag turns off
+As a side effect, setting this flag turns off the
.Ic braceexpand
-mode, which can be turned back on manually, and
+and
+.Ic utf8\-mode
+flags, which can be turned back on manually, and
.Ic sh
mode (unless both are enabled at the same time).
.It Fl o Ic sh
.Ic getopts
does not accept options with a leading
.Ql + .
+.It
+.Ic exec
+skips builtins, functions and other commands and uses a
+.Ev PATH
+search to determine the utility to execute.
.El
.Ss SH mode
Compatibility mode; intended for use with legacy scripts that
.No INTR Pq \*(haC ,
.No \*(haG
.Xc
-Abort the current command, empty the line buffer and
+Abort the current command, save it to the history, empty the line buffer and
set the exit state to interrupted.
.It auto\-insert: Op Ar n
Simply causes the character to appear as literal input.
words, leaving the cursor past the end of the last word.
.It clear\-screen: \*(ha[\*(haL
Prints a compile-time configurable sequence to clear the screen and home
-the cursor, redraws the entire prompt and the currently edited input line.
+the cursor, redraws the last line of the prompt string and the currently
+edited input line.
The default sequence works for almost all standard terminals.
.It comment: \*(ha[#
If the current line does not begin with a comment character, one is added at
They move as expected, both in insert and command mode.
.It Ar intr No and Ar quit
The interrupt and quit terminal characters cause the current line to be
-deleted and a new prompt to be printed.
+removed to the history and a new prompt to be printed.
.El
.Sh FILES
.Bl -tag -width XetcXsuid_profile -compact
.An Michael Rendell .
The effort of several projects, such as Debian and OpenBSD, and other
contributors including our users, to improve the shell is appreciated.
-See the documentation, web site and CVS for details.
+See the documentation, website and source code (CVS) for details.
.Pp
.Nm mksh\-os2
is developed by
is developed by
.An Michael Langguth Aq Mt lan@scalaris.com .
.Pp
+.Nm mksh Ns / Ns Tn z/OS
+is contributed by
+.An Daniel Richard G. Aq Mt skunk@iSKUNK.ORG .
+.Pp
The BSD daemon is Copyright \(co Marshall Kirk McKusick.
The complete legalese is at:
.Pa http://www.mirbsd.org/TaC\-mksh.txt
locale.
.Nm mksh Ns 's
.Ic utf8\-mode
+.Em must
+be disabled in POSIX mode, and it
only supports the Unicode BMP (Basic Multilingual Plane) and maps
raw octets into the U+EF80..U+EFFF wide character range; compare
.Sx Arithmetic expressions .
The following
.Tn POSIX
-.Nm sh
+.Nm sh Ns -compatible
code toggles the
.Ic utf8\-mode
option dependent on the current
.Xr memmove 3 .
.Pp
This document attempts to describe
-.Nm mksh\ R55
+.Nm mksh\ R56
and up,
.\" with vendor patches from insert-your-name-here,
compiled without any options impacting functionality, such as
.Nm
separates the shortcuts: Cursor Up goes up one command
and PgUp searches the history as described above.
+.Ss "My question is not answered here!"
+Check
+.Pa http://www.mirbsd.org/mksh\-faq.htm
+which contains a collection of frequently asked questions about
+.Nm
+in general, for packagers, etc. while these above are in user scope.
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