Fix 39 spelling errors and a formatting issue

A column of whitespace in the NEWS file was removed for consistent
formatting. Most of the spelling errors were found with this
codespell dictionary:
https://github.com/orbitcowboy/codespell_dictionary

(cherry picked from commit 0e36b17abe5609c461a3e4da7041eb0fdf9991b7)

src/cmd/ksh93/RELEASE

@@ -995,7 +995,7 @@
 	  no longer causes an error.  It now is used for the "showme" option.
 09-09-09  A bug in which a subshell containing a background process could
 	  block until the background process completed has been fixed.
-09-09-04  A bug in handing ${var[sub]}, where var is a nameref has been fixed.
+09-09-04  A bug in handling ${var[sub]}, where var is a nameref has been fixed.
 09-09-03  A bug which caused an index array to have the wrong number of elements
 	  when it was converted from a compound variable by adding an another
 	  element has been fixed.
@@ -2374,7 +2374,7 @@
 	  evaluation.  It has higher precedence than * and is left
 	  associative.
 01-09-25  The code was modified to use the ast multibyte macros
-	  and functions for handing multibyte locales.
+	  and functions for handling multibyte locales.
 01-09-25 +The expansion ${parameter:offset:length} now handles negative
 	  offsets which cause offsets to be measured from the end.
 01-09-25  Some spelling errors in the documentation were corrected.

src/cmd/ksh93/RELEASE93

@@ -200,7 +200,7 @@ of ksh.
 	    positioned for the last command of a script has been fixed.
 	y.  A bug in the edit modes which allowed walking back in
 	    the history file for more than HISTSIZE commands has
-	    beed fixed.
+	    been fixed.
 	z.  A bug which could cause a core dump if variable TMPDIR was
 	    changed between two command substitutions has been fixed.
 	aa. A bug which prevented a trap on EXIT from being cleared

src/cmd/ksh93/data/builtins.c

@@ -1378,7 +1378,7 @@ USAGE_LICENSE
 "[+?If the neither \b-s\b nor \b-c\b is specified, then the first \barg\b "
 	"will be the pathname of the file containing commands and \b$0\b "
 	"will be set to this value.  If there is no file with this pathname, "
-	"and this pathame does not contain a \b/\b, then the \bPATH\b "
+	"and this pathname does not contain a \b/\b, then the \bPATH\b "
 	"will be searched for an executable with this name.  Any remaining "
 	"\aarg\as will be used to initialize the positional parameters.]"
 "[+?Any option can use a \b+\b instead of a \b-\b to disable the corresponding "

src/cmd/ksh93/sh.1

@@ -2427,7 +2427,7 @@ expands to the 8 fields,
 .BR z01cx ,
 .B z04bx
 and
-.BR z4cx .
+.BR z04cx .
 .SS File Name Generation.
 Following splitting, each field is scanned for the characters
 .BR \(** ,

src/cmd/ksh93/sh/suid_exec.c

@@ -348,7 +348,7 @@ static void setids(int mode,int owner,int group)
 
 	/* set effective uid even if S_ISUID is not set.  This is because
 	 * we are *really* executing EUID root at this point.  Even if S_ISUID
-	 * is not set, the value for owner that is passsed should be correct.
+	 * is not set, the value for owner that is passed should be correct.
 	 */
 	setreuid(ruserid,owner);
 }

src/cmd/ksh93/tests/io.sh

@@ -292,7 +292,7 @@ $SHELL -c "$SHELL -c ': 3>&1' 1>&- 2>/dev/null" && err_exit 'closed standard out
 [[ $(cat  <<- \EOF | $SHELL
 	do_it_all()
 	{
-	 	dd 2>/dev/null  # not a ksh93 buildin
+	 	dd 2>/dev/null  # not a ksh93 builtin
 	 	return $?
 	}
 	do_it_all ; exit $?

src/cmd/ksh93/tests/restricted.sh

@@ -58,12 +58,12 @@ ln -s $SHELL rksh
 PATH=$PWD:$PATH
 rksh -c  '[[ -o restricted ]]' || err_exit 'restricted option not set'
 [[ $(rksh -c 'print hello') == hello ]] || err_exit 'unable to run print'
-check_restricted "$binecho" || err_exit "$binecho not resticted"
-check_restricted ./echo || err_exit './echo not resticted'
-check_restricted 'SHELL=ksh' || err_exit 'SHELL assignment not resticted'
-check_restricted 'PATH=/bin' || err_exit 'PATH assignment not resticted'
-check_restricted 'FPATH=/bin' || err_exit 'FPATH assignment not resticted'
-check_restricted 'ENV=/bin' || err_exit 'ENV assignment not resticted'
+check_restricted "$binecho" || err_exit "$binecho not restricted"
+check_restricted ./echo || err_exit './echo not restricted'
+check_restricted 'SHELL=ksh' || err_exit 'SHELL assignment not restricted'
+check_restricted 'PATH=/bin' || err_exit 'PATH assignment not restricted'
+check_restricted 'FPATH=/bin' || err_exit 'FPATH assignment not restricted'
+check_restricted 'ENV=/bin' || err_exit 'ENV assignment not restricted'
 check_restricted 'print > file' || err_exit '> file not restricted'
 > empty
 check_restricted 'print <> empty' || err_exit '<> file not restricted'

src/cmd/ksh93/tests/signal.sh

@@ -68,7 +68,7 @@ done
 		EOF
 	} | head > /dev/null
 	(( $? == 0)) ||   err_exit "SIGPIPE with wrong error code $?"
-	# The below is kind of bogus as the err_exit from a bg job is never counterd. But see extra check below.
+	# The below is kind of bogus as the err_exit from a bg job is never counted. But see extra check below.
 	[[ $(<out2) == $'PIPED\nPIPED' ]] || err_exit 'SIGPIPE output on standard error is not correct'
 ) &
 cop=$!