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Index: head/bin/sh/sh.1
===================================================================
--- head/bin/sh/sh.1
+++ head/bin/sh/sh.1
@@ -32,7 +32,7 @@
.\" from: @(#)sh.1 8.6 (Berkeley) 5/4/95
.\" $FreeBSD$
.\"
-.Dd October 8, 2016
+.Dd July 19, 2018
.Dt SH 1
.Os
.Sh NAME
@@ -69,8 +69,7 @@
.St -p1003.1
specification for the shell.
It only supports features
-designated by
-.Tn POSIX ,
+designated by POSIX,
plus a few Berkeley extensions.
This man page is not intended to be a tutorial nor a complete
specification of the shell.
@@ -248,9 +247,7 @@
.It Fl f Li noglob
Disable pathname expansion.
.It Fl h Li trackall
-A do-nothing option for
-.Tn POSIX
-compliance.
+A do-nothing option for POSIX compliance.
.It Fl I Li ignoreeof
Ignore
.Dv EOF Ap s
@@ -344,9 +341,7 @@
to standard error before it is executed.
Useful for debugging.
.It Li nolog
-Another do-nothing option for
-.Tn POSIX
-compliance.
+Another do-nothing option for POSIX compliance.
It only has a long name.
.El
.Pp
@@ -409,7 +404,7 @@
.Ql #
and the rest of the line are ignored.
.Pp
-.Tn ASCII
+ASCII
.Dv NUL
characters (character code 0) are not allowed in shell input.
.Ss Quoting
@@ -447,9 +442,7 @@
.Ar c
is a backslash, it must be doubled.
.It \ee
-The ESC character
-.Tn ( ASCII
-0x1b)
+The ESC character (ASCII 0x1b)
.It \ef
Formfeed
.It \en
@@ -745,9 +738,7 @@
If the program is not a normal executable file
(i.e., if it does not begin with the
.Dq "magic number"
-whose
-.Tn ASCII
-representation is
+whose ASCII representation is
.Dq Li #! ,
resulting in an
.Er ENOEXEC
@@ -1064,12 +1055,17 @@
.Ss Grouping Commands Together
Commands may be grouped by writing either
.Pp
-.D1 Li \&( Ns Ar list Ns Li \%)
+.Sm off
+.Bd -literal -offset -ident
+.Po Ar list Pc
+.Ed
+.Sm on
.Pp
or
+.Bd -literal -offset -ident
+.No { Ar list ; }
+.Ed
.Pp
-.D1 Li { Ar list Ns Li \&; }
-.Pp
The first form executes the commands in a subshell environment.
A subshell environment has its own copy of:
.Bl -enum
@@ -1750,11 +1746,11 @@
.It Unary operators
.Li "! ~ + -"
.It Binary operators
-.Li "* / % + - << >> < <= > >= == != & ^ | && ||"
+.Li "* / % + - << >> < <= > >= == != & ^ | && ||"\&
.It Assignment operators
.Li "= += -= *= /= %= <<= >>= &= ^= |="
.It Conditional operator
-.Li "? :"
+.Li "? :"\&
.El
.Pp
The result of the expression is substituted in decimal.
@@ -1862,7 +1858,7 @@
A named class of characters (see
.Xr wctype 3 )
may be specified by surrounding the name with
-.Ql \&[:
+.Ql \&[:\&
and
.Ql :\&] .
For example,
@@ -2099,9 +2095,7 @@
Suppress the trailing newline (this has the side-effect of truncating the
line if it is not the last character)
.It \ee
-The ESC character
-.Tn ( ASCII
-0x1b)
+The ESC character (ASCII 0x1b)
.It \ef
Formfeed
.It \en
@@ -2301,8 +2295,7 @@
.Ar job
or the current job to the foreground.
.It Ic getopts Ar optstring var
-The
-.Tn POSIX
+The POSIX
.Ic getopts
command.
The
@@ -2415,7 +2408,7 @@
The trailing newline
is deleted from the line and the line is split as
described in the section on
-.Sx White Space Splitting (Field Splitting)
+.Sx White Space Splitting (Field Splitting)\&
above, and
the pieces are assigned to the variables in order.
If there are more pieces than variables, the remaining
@@ -2663,6 +2656,9 @@
The maximum size of socket buffer usage, in bytes.
.It Fl c Ar coredumpsize
The maximal size of core dump files, in 512-byte blocks.
+Setting
+.Ar coredumpsize
+to 0 prevents core dump files from being created.
.It Fl d Ar datasize
The maximal size of the data segment of a process, in kilobytes.
.It Fl f Ar filesize

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