Bash-5.3-alpha release

2026-07-05 11:20:50 +02:00 · 2024-04-22 10:33:38 -04:00
parent f3b6bd1945
commit 622d318652
700 changed files with 136534 additions and 96420 deletions
@@ -1,8 +1,12 @@
 alias: 0
 alias: 0
 ./alias.tests: line 38: qfoo: command not found
+./alias.tests: line 44: unalias: foo: not found
 quux
 hi
+declare -a m=([0]="x")
+./alias.tests: line 66: alias: `\$': invalid alias name
+./alias.tests: line 67: `\$': invalid alias name
 bar
 value
 bar
@@ -31,6 +35,7 @@ a b
 a a b
 ok 3
 ok 4
+line with escaped newline
 bar
 bad
 0
@@ -43,3 +48,17 @@ bar
 baz
 <áa>
 <aá>
+bar
+foo bar x
+foo
+x
+bar
+x
+bar
+x
+foo=v bar=
+foo
+foo in v
+bash: -c: line 7: syntax error near unexpected token `do'
+bash: -c: line 7: `do echo foo=$foo bar=$bar'
+foo=v bar=
@@ -40,6 +40,8 @@ qfoo
 unalias qfoo qbar qbaz quux

 unalias -a
+# error
+unalias foo

 alias foo='echo '
 alias bar=baz
@@ -54,12 +56,20 @@ unalias foo bar baz
 alias foo='a=() b=""
 for i in 1; do echo hi; done'
 foo
-
 unalias foo

+alias L='m=("x")'
+L
+declare -p m
+
+# invalid alias names generate errors
+alias '\$'=xx
+BASH_ALIASES['\$']=xx
+
 ${THIS_SH} ./alias1.sub
 ${THIS_SH} ./alias2.sub
 ${THIS_SH} ./alias3.sub
 ${THIS_SH} ./alias4.sub
 ${THIS_SH} ./alias5.sub
 ${THIS_SH} ./alias6.sub
+${THIS_SH} ./alias7.sub
@@ -82,6 +82,12 @@ long_comment text after
 # comment
 comment foo bar

+# make sure escaped newlines in alias bodies are processed correctly
+alias xx='echo line with \
+escaped newline'
+xx
+unalias xx
+
 # alias ending in a tab
 alias foo="\
 	echo \"bar\" \
@@ -98,3 +104,4 @@ foo>&2

 alias a='printf "<%s>\n" \'
 a|cat
+
@@ -84,3 +84,13 @@ bash: -c: line 1: syntax error: `(( i=0; i < 3; i++; 7 ))'
 2
 1
 0
+43210
+ok1
+./arith-for.tests: line 133: ((: 7++ : arithmetic syntax error: operand expected (error token is "+ ")
+./arith-for.tests: line 134: ((: i < 4/0: division by 0 (error token is "0")
+./arith-for.tests: line 135: ((: i=2/0: division by 0 (error token is "0")
+./arith-for.tests: line 137: ((: 7=4 : attempted assignment to non-variable (error token is "=4 ")
+./arith-for.tests: line 139: ((: j=: arithmetic syntax error: operand expected (error token is "=")
+X
+./arith-for.tests: line 141: break: only meaningful in a `for', `while', or `until' loop
+Y
@@ -126,3 +126,17 @@ echo
 for (( i = 4; ;i--)) ; do echo $i; if (( $i == 0 )); then break; fi; done

 for (( i = 4;;i--)) ; do echo $i; if (( $i == 0 )); then break; fi; done
+i=4 ; for (( ;;i--)) ; do echo -n $i; if (( i == 0 )); then break; fi; done; echo
+
+# arithmetic for commands with expression errors
+
+for (( i=1; i < 4; 7++ )); do echo ok$i ; done
+for (( i=2; i < 4/0; 7++ )); do echo whoops1 ; done
+for (( i=2/0; i < 4; 7++ )); do echo whoops2 ; done
+
+for (( 7=4 ; 7 > 7; )); do echo whoops3; done
+
+for ((j=;;)); do :; done
+echo X
+break
+echo Y
@@ -51,6 +51,7 @@
 1
 1
 32
+32
 4
 20
 1,i+=2
@@ -60,7 +61,7 @@
 1,i+=2
 30
 1,j+=2
-./arith.tests: line 127: 1 ? 20 : x+=2: attempted assignment to non-variable (error token is "+=2")
+./arith.tests: line 129: 1 ? 20 : x+=2: attempted assignment to non-variable (error token is "+=2")
 20
 6
 6,5,3
@@ -70,6 +71,8 @@
 127
 36
 40
+40
+40
 10
 10
 10
@@ -80,16 +83,18 @@
 36
 62
 63
-./arith.tests: line 162: 3425#56: invalid arithmetic base (error token is "3425#56")
-./arith.tests: line 165: 2#: invalid integer constant (error token is "2#")
-./arith.tests: line 168: 7 = 43 : attempted assignment to non-variable (error token is "= 43 ")
-./arith.tests: line 169: 2#44: value too great for base (error token is "2#44")
-./arith.tests: line 170: 44 / 0 : division by 0 (error token is "0 ")
-./arith.tests: line 171: let: jv += $iv: syntax error: operand expected (error token is "$iv")
-./arith.tests: line 172: jv += $iv : syntax error: operand expected (error token is "$iv ")
-./arith.tests: line 173: let: rv = 7 + (43 * 6: missing `)' (error token is "6")
-./arith.tests: line 177: 0#4: invalid number (error token is "0#4")
-./arith.tests: line 178: 2#110#11: invalid number (error token is "2#110#11")
+./arith.tests: line 168: 3425#56: invalid arithmetic base (error token is "3425#56")
+./arith.tests: line 171: 2#: invalid integer constant (error token is "2#")
+./arith.tests: line 174: 7 = 43 : attempted assignment to non-variable (error token is "= 43 ")
+./arith.tests: line 175: 2#44: value too great for base (error token is "2#44")
+./arith.tests: line 176: 44 / 0 : division by 0 (error token is "0 ")
+./arith.tests: line 177: let: jv += $iv: arithmetic syntax error: operand expected (error token is "$iv")
+./arith.tests: line 178: jv += $iv : arithmetic syntax error: operand expected (error token is "$iv ")
+./arith.tests: line 179: let: rv = 7 + (43 * 6: missing `)' (error token is "6")
+./arith.tests: line 182: b / 0 : division by 0 (error token is "0 ")
+./arith.tests: line 183: b /= 0 : division by 0 (error token is "0 ")
+./arith.tests: line 188: 0#4: invalid number (error token is "0#4")
+./arith.tests: line 189: 2#110#11: invalid number (error token is "2#110#11")
 abc
 def
 ghi
@@ -97,15 +102,15 @@ ok
 6
 1
 0
-./arith.tests: line 196: 4 + : syntax error: operand expected (error token is "+ ")
+./arith.tests: line 207: 4 + : arithmetic syntax error: operand expected (error token is "+ ")
 16
-./arith.tests: line 201: 4 ? : 3 + 5 : expression expected (error token is ": 3 + 5 ")
-./arith.tests: line 202: 1 ? 20 : `:' expected for conditional expression (error token is "20 ")
-./arith.tests: line 203: 4 ? 20 : : expression expected (error token is ": ")
+./arith.tests: line 212: 4 ? : 3 + 5 : expression expected (error token is ": 3 + 5 ")
+./arith.tests: line 213: 1 ? 20 : `:' expected for conditional expression (error token is "20 ")
+./arith.tests: line 214: 4 ? 20 : : expression expected (error token is ": ")
 9
-./arith.tests: line 209: 0 && B=42 : attempted assignment to non-variable (error token is "=42 ")
+./arith.tests: line 220: 0 && B=42 : attempted assignment to non-variable (error token is "=42 ")
 9
-./arith.tests: line 212: 1 || B=88 : attempted assignment to non-variable (error token is "=88 ")
+./arith.tests: line 223: 1 || B=88 : attempted assignment to non-variable (error token is "=88 ")
 9
 0
 9
@@ -121,6 +126,7 @@ ok
 131072
 2147483647
 1
+./arith.tests: line 255: 2**-1 : exponent less than 0 (error token is "1 ")
 4
 4
 5
@@ -131,22 +137,23 @@ ok
 4
 4
 7
-./arith.tests: line 260: 7-- : syntax error: operand expected (error token is "- ")
-./arith.tests: line 262: --x=7 : attempted assignment to non-variable (error token is "=7 ")
-./arith.tests: line 263: ++x=7 : attempted assignment to non-variable (error token is "=7 ")
-./arith.tests: line 265: x++=7 : attempted assignment to non-variable (error token is "=7 ")
-./arith.tests: line 266: x--=7 : attempted assignment to non-variable (error token is "=7 ")
+./arith.tests: line 274: 7-- : arithmetic syntax error: operand expected (error token is "- ")
+./arith.tests: line 276: --x=7 : attempted assignment to non-variable (error token is "=7 ")
+./arith.tests: line 277: ++x=7 : attempted assignment to non-variable (error token is "=7 ")
+./arith.tests: line 279: x++=7 : attempted assignment to non-variable (error token is "=7 ")
+./arith.tests: line 280: x--=7 : attempted assignment to non-variable (error token is "=7 ")
 4
 7
 -7
 7
 7
+./arith.tests: line 292: --x++ : ++: assignment requires lvalue (error token is "++ ")
 2
 2
-./arith1.sub: line 15: 4-- : syntax error: operand expected (error token is "- ")
-./arith1.sub: line 16: 4++ : syntax error: operand expected (error token is "+ ")
-./arith1.sub: line 17: 4 -- : syntax error: operand expected (error token is "- ")
-./arith1.sub: line 18: 4 ++ : syntax error: operand expected (error token is "+ ")
+./arith1.sub: line 15: 4-- : arithmetic syntax error: operand expected (error token is "- ")
+./arith1.sub: line 16: 4++ : arithmetic syntax error: operand expected (error token is "+ ")
+./arith1.sub: line 17: 4 -- : arithmetic syntax error: operand expected (error token is "- ")
+./arith1.sub: line 18: 4 ++ : arithmetic syntax error: operand expected (error token is "+ ")
 1
 2
 1
@@ -161,10 +168,10 @@ ok
 2
 -2
 1
-./arith1.sub: line 48: ((: ++ : syntax error: operand expected (error token is "+ ")
+./arith1.sub: line 48: ((: ++ : arithmetic syntax error: operand expected (error token is "+ ")
 7
 7
-./arith1.sub: line 51: ((: -- : syntax error: operand expected (error token is "- ")
+./arith1.sub: line 51: ((: -- : arithmetic syntax error: operand expected (error token is "- ")
 7
 7
 7
@@ -183,10 +190,10 @@ ok
 1
 4
 0
-./arith2.sub: line 46: ((: -- : syntax error: operand expected (error token is "- ")
+./arith2.sub: line 46: ((: -- : arithmetic syntax error: operand expected (error token is "- ")
 -7
 -7
-./arith2.sub: line 50: ((: ++ : syntax error: operand expected (error token is "+ ")
+./arith2.sub: line 50: ((: ++ : arithmetic syntax error: operand expected (error token is "+ ")
 7
 7
 -7
@@ -249,15 +256,40 @@ efg
 0
 0
 0
+./arith9.sub: line 4: a: unbound variable
+./arith9.sub: line 5: a: unbound variable
+0
+after 3 0
+0
+after 4 0
+./arith9.sub: line 14: b: expression recursion level exceeded (error token is "b")
+ var=42
+ echo 42
+42
+ echo 0
+0
+ echo 0
+0
+ echo 0
+0
+ ((  42  ))
+ echo 0
+0
+ ((    ))
+ echo 1
+1
+ set +x
+./arith9.sub: line 37: 4+: arithmetic syntax error: operand expected (error token is "+")
+x = 4+ y =
 8 12
-./arith.tests: line 310: ((: x=9 y=41 : syntax error in expression (error token is "y=41 ")
-./arith.tests: line 314: a b: syntax error in expression (error token is "b")
-./arith.tests: line 315: ((: a b: syntax error in expression (error token is "b")
+./arith.tests: line 332: ((: x=9 y=41 : arithmetic syntax error in expression (error token is "y=41 ")
+./arith.tests: line 336: a b: arithmetic syntax error in expression (error token is "b")
+./arith.tests: line 337: ((: a b: arithmetic syntax error in expression (error token is "b")
 42
 42
 42
 42
 42
 42
-./arith.tests: line 330: 'foo' : syntax error: operand expected (error token is "'foo' ")
-./arith.tests: line 333: b[c]d: syntax error in expression (error token is "d")
+./arith.tests: line 352: 'foo' : arithmetic syntax error: operand expected (error token is "'foo' ")
+./arith.tests: line 355: b[c]d: arithmetic syntax error in expression (error token is "d")
@@ -97,6 +97,8 @@ echo $(( 4<(2+3) ? 1 : 32))
 echo $(( (2+2)<(2+3) ? 1 : 32))
 echo $(( (2+2)>(2+3) ? 1 : 32))

+echo $(( (2+2)>(2+3) ? 2**0 : 32))
+
 # bug in bash versions through bash-3.2
 S=105
 W=$((S>99?4:S>9?3:S>0?2:0))
@@ -143,6 +145,10 @@ echo $(( 16#FF/2 ))
 echo $(( 8#44 ))

 echo $(( 8 ^ 32 ))
+a=8
+echo $(( a ^ 32 ))
+echo $(( a ^= 32 ))
+unset -v a

 # other bases
 echo $(( 16#a ))
@@ -172,6 +178,11 @@ let 'jv += $iv'
 echo $(( jv += \$iv ))
 let 'rv = 7 + (43 * 6'

+b=44
+echo $(( b / 0 ))
+echo $(( b /= 0 ))
+unset -v b
+
 # more errors
 declare -i i
 i=0#4
@@ -240,6 +251,9 @@ echo $(( 2**16*2 ))
 echo $(( 2**31-1))
 echo $(( 2**0 ))

+# error
+echo $(( 2**-1 ))
+
 # {pre,post}-{inc,dec}rement and associated errors

 x=4
@@ -273,6 +287,11 @@ echo $(( -7 ))
 echo $(( ++7 ))
 echo $(( --7 ))

+unset -v x
+x=8
+echo $(( --x++ ))	# error
+unset -v x
+
 # combinations of expansions
 echo $(( "`echo 1+1`" ))
 echo $(( `echo 1+1` ))
@@ -299,6 +318,9 @@ ${THIS_SH} ./arith7.sub
 # problems with evaluation of conditional expressions
 ${THIS_SH} ./arith8.sub

+# expressions with unset variables and nounset enabled
+${THIS_SH} ./arith9.sub
+
 x=4
 y=7

@@ -1,6 +1,6 @@

-./array.tests: line 28: syntax error near unexpected token `&'
-./array.tests: line 28: `test=(first & second)'
+./array.tests: line 34: syntax error near unexpected token `&'
+./array.tests: line 34: `test=(first & second)'
 1
 abcde
 abcde
@@ -26,7 +26,7 @@ hello world
 11
 3
 bdef hello world test expression test 2
-./array.tests: line 92: readonly: `a[5]': not a valid identifier
+./array.tests: line 98: readonly: `a[5]': not a valid identifier
 declare -ar a=([1]="" [2]="bdef" [5]="hello world" [6]="test expression" [15]="test 2")
 declare -ar c
 declare -ar a=([1]="" [2]="bdef" [5]="hello world" [6]="test expression" [15]="test 2")
@@ -46,17 +46,17 @@ declare -ar c
 declare -a d=([1]="" [2]="bdef" [5]="hello world" [6]="test" [9]="ninth element")
 declare -a e=([0]="test")
 declare -a f=([0]="" [1]="bdef" [2]="hello world" [3]="test" [4]="ninth element")
-./array.tests: line 116: a: readonly variable
-./array.tests: line 118: b[]: bad array subscript
-./array.tests: line 119: b[*]: bad array subscript
+./array.tests: line 122: a: readonly variable
+./array.tests: line 124: b[]: bad array subscript
+./array.tests: line 125: b[*]: bad array subscript
 this
-./array.tests: line 122: c[-2]: bad array subscript
-./array.tests: line 123: c: bad array subscript
+./array.tests: line 128: c[-2]: bad array subscript
+./array.tests: line 129: c: bad array subscript

-./array.tests: line 125: d[7]: cannot assign list to array member
-./array.tests: line 127: []=abcde: bad array subscript
-./array.tests: line 127: [*]=last: cannot assign to non-numeric index
-./array.tests: line 127: [-65]=negative: bad array subscript
+./array.tests: line 131: d[7]: cannot assign list to array member
+./array.tests: line 133: []=abcde: bad array subscript
+./array.tests: line 134: [*]=last: cannot assign to non-numeric index
+./array.tests: line 135: [-65]=negative: bad array subscript
 declare -a BASH_ARGC=()
 declare -a BASH_ARGV=()
 declare -a BASH_LINENO=([0]="0")
@@ -69,8 +69,8 @@ declare -ar c
 declare -a d=([1]="test test")
 declare -a e=()
 declare -a f=([0]="" [1]="bdef" [2]="hello world" [3]="test" [4]="ninth element")
-./array.tests: line 135: unset: ps1: not an array variable
-./array.tests: line 139: declare: c: cannot destroy array variables in this way
+./array.tests: line 143: unset: ps1: not an array variable
+./array.tests: line 147: declare: c: readonly variable
 this of
 this is a test of read using arrays
 this test
@@ -123,13 +123,17 @@ argv[1] = </>
 55
 49
 6 -- 6
+./array.tests: line 238: [-10]: bad array subscript
+0
 42 14 44
 grep [ 123 ] *
 6 7 9
 6 7 9 5
 length = 3
 value = new1 new2 new3
-./array.tests: line 255: narray: unbound variable
+./array.tests: line 267: syntax error near unexpected token `&'
+./array.tests: line 267: `badarray=( metacharacters like & need to be quoted in compound assignments)'
+./array.tests: line 271: narray: unbound variable
 ./array1.sub: line 1: syntax error near unexpected token `('
 ./array1.sub: line 1: `printf "%s\n" -a a=(a 'b  c')'
 ./array2.sub: line 1: declare: `[]=asdf': not a valid identifier
@@ -156,10 +160,10 @@ for case if then else
 12 14 16 18 20
 4414758999202
 aaa bbb
-./array.tests: line 305: syntax error near unexpected token `<>'
-./array.tests: line 305: `metas=( <> < > ! )'
-./array.tests: line 306: syntax error near unexpected token `<>'
-./array.tests: line 306: `metas=( [1]=<> [2]=< [3]=> [4]=! )'
+./array.tests: line 321: syntax error near unexpected token `<>'
+./array.tests: line 321: `metas=( <> < > ! )'
+./array.tests: line 322: syntax error near unexpected token `<>'
+./array.tests: line 322: `metas=( [1]=<> [2]=< [3]=> [4]=! )'
 abc 3
 case 4
 abc case if then else 5
@@ -206,6 +210,13 @@ e
 b  c
 $0
 declare -a A=([0]="X=a" [1]="b")
+2 3 4 5 6
+FIN1:0
+FIN2:0
+FIN3:0
+FIN4:0
+FIN5:0
+FIN6:0
 t
 [3]=abcde r s t u v
 e
@@ -393,6 +404,10 @@ bar: array with element zero unset: ok
 bar: element zero: ok
 qux: unset array: ok
 qux: unset array element 0: ok
+1
+0
+0
+0
 2
 2
 2
@@ -400,7 +415,7 @@ qux: unset array element 0: ok
 0
 0
 1
-./array17.sub: line 43: ~: syntax error: operand expected (error token is "~")
+./array17.sub: line 43: ~: arithmetic syntax error: operand expected (error token is "~")
 0
 0
 3
@@ -415,7 +430,7 @@ one
 one
 two
 two
-./array17.sub: line 89: ~ : syntax error: operand expected (error token is "~ ")
+./array17.sub: line 89: ~ : arithmetic syntax error: operand expected (error token is "~ ")
 1
 argv[1] = <>
 argv[2] = <>
@@ -453,7 +468,7 @@ declare -A a=([1]="b" [0]="a" )
 declare -a var=([0]="[\$(echo" [1]="total" [2]="0)]=1" [3]="[2]=2]")
 declare -a var=([0]="[\$(echo total 0)]=1 [2]=2]")
 declare -a var=([0]="[\$(echo" [1]="total" [2]="0)]=1" [3]="[2]=2]")
-./array19.sub: line 89: total 0: syntax error in expression (error token is "0")
+./array19.sub: line 89: total 0: arithmetic syntax error in expression (error token is "0")
 declare -a var=()
 declare -al foo=([0]="abcde" [1]="two" [2]="three")
 declare -al foo=([0]="abcde")
@@ -522,14 +537,14 @@ p3
 argv[1] = <y>
 <X> <X> <X> <X>
 <X> <X> <X> <X>
-./array23.sub: line 22: $( echo >&2 foo ) : syntax error: operand expected (error token is "$( echo >&2 foo ) ")
-./array23.sub: line 23: $( echo >&2 foo ) : syntax error: operand expected (error token is "$( echo >&2 foo ) ")
-./array23.sub: line 24: $( echo >&2 foo ) : syntax error: operand expected (error token is "$( echo >&2 foo ) ")
-./array23.sub: line 26: $( echo >&2 foo ) : syntax error: operand expected (error token is "$( echo >&2 foo ) ")
-./array23.sub: line 30: $( echo >&2 foo ): syntax error: operand expected (error token is "$( echo >&2 foo )")
-./array23.sub: line 33: $( echo >&2 foo ): syntax error: operand expected (error token is "$( echo >&2 foo )")
-./array23.sub: line 34: $index: syntax error: operand expected (error token is "$index")
-./array23.sub: line 35: $( echo >&2 foo ): syntax error: operand expected (error token is "$( echo >&2 foo )")
+./array23.sub: line 22: $( echo >&2 foo ) : arithmetic syntax error: operand expected (error token is "$( echo >&2 foo ) ")
+./array23.sub: line 23: $( echo >&2 foo ) : arithmetic syntax error: operand expected (error token is "$( echo >&2 foo ) ")
+./array23.sub: line 24: $( echo >&2 foo ) : arithmetic syntax error: operand expected (error token is "$( echo >&2 foo ) ")
+./array23.sub: line 26: $( echo >&2 foo ) : arithmetic syntax error: operand expected (error token is "$( echo >&2 foo ) ")
+./array23.sub: line 30: $( echo >&2 foo ): arithmetic syntax error: operand expected (error token is "$( echo >&2 foo )")
+./array23.sub: line 33: $( echo >&2 foo ): arithmetic syntax error: operand expected (error token is "$( echo >&2 foo )")
+./array23.sub: line 34: $index: arithmetic syntax error: operand expected (error token is "$index")
+./array23.sub: line 35: $( echo >&2 foo ): arithmetic syntax error: operand expected (error token is "$( echo >&2 foo )")
 0
 0
 0
@@ -583,7 +598,7 @@ jkl
 1. indexed:
 reference:
 1. 0
-./array25.sub: line 24: ' ': syntax error: operand expected (error token is "' '")
+./array25.sub: line 24: ' ': arithmetic syntax error: operand expected (error token is "' '")
 3. 0
 4. 0
 5. 0
@@ -757,6 +772,8 @@ declare -A A=([$'\t']="X" ["*"]="X" [" "]="X" ["@"]="X" )
 declare -A A=(["*"]="X" ["@"]="X" )
 ./array27.sub: line 76: declare: `A[]]=X': not a valid identifier
 declare -A A=(["*"]="X" ["@"]="X" )
+./array27.sub: line 81: y[]: bad array subscript
+./array27.sub: line 81: y[]: bad array subscript
 declare -a bug4=([0]="" [1]="5" [2]="" [3]="1" [4]="")
 declare -a bug=([0]="" [1]="5" [2]="" [3]="1" [4]="")
 declare -a bug2=([0]="")
@@ -785,3 +802,51 @@ FOO
 declare -Au A=([Darwin]="FOO" )
 FOO
 declare -Au A=(["@"]="FOO" )
+declare -a aa=([0]="/homes/cj/Desktop")
+declare -a aa=([0]="/homes/cj/Desktop")
+declare -a aa=([0]="/homes/cj/Desktop:/homes/cj/Library:/homes/cj/Documents")
+declare -a aa=([0]="/homes/cj/Desktop:/homes/cj/Library:/homes/cj/Documents")
+declare -a aa=([0]="/homes/cj/Desktop:/homes/cj/Library:/homes/cj/Documents" [1]="/homes/cj/Applications")
+declare -a aa=([0]="/homes/cj/Desktop:/homes/cj/Library:/homes/cj/Documents" [1]="/homes/cj/Applications")
+./array32.sub: line 20: $(echo INJECTION! >&2 ; echo 0): arithmetic syntax error: operand expected (error token is "$(echo INJECTION! >&2 ; echo 0)")
+./array32.sub: line 21: declare: a: not found
+./array32.sub: line 24: $(echo INJECTION! >&2 ; echo 0): arithmetic syntax error: operand expected (error token is "$(echo INJECTION! >&2 ; echo 0)")
+./array32.sub: line 25: declare: a: not found
+./array32.sub: line 29: $(echo INJECTION! >&2 ; echo 0): arithmetic syntax error: operand expected (error token is "$(echo INJECTION! >&2 ; echo 0)")
+declare -a a=([0]="hi")
+./array32.sub: line 35: declare: a: not found
+./array32.sub: line 38: $(echo INJECTION! >&2 ; echo 0): arithmetic syntax error: operand expected (error token is "$(echo INJECTION! >&2 ; echo 0)")
+./array32.sub: line 39: declare: a: not found
+./array32.sub: line 42: $(echo INJECTION! >&2 ; echo 0): arithmetic syntax error: operand expected (error token is "$(echo INJECTION! >&2 ; echo 0)")
+declare -a a
+./array32.sub: line 50: $(echo INJECTION! >&2 ; echo 0): arithmetic syntax error: operand expected (error token is "$(echo INJECTION! >&2 ; echo 0)")
+declare -a a
+./array32.sub: line 57: $(echo INJECTION! >&2 ; echo 0): arithmetic syntax error: operand expected (error token is "$(echo INJECTION! >&2 ; echo 0)")
+declare -ai a
+./array32.sub: line 65: $(echo INJECTION! >&2 ; echo 0): arithmetic syntax error: operand expected (error token is "$(echo INJECTION! >&2 ; echo 0)")
+./array32.sub: line 66: $(echo INJECTION! >&2 ; echo 0): arithmetic syntax error: operand expected (error token is "$(echo INJECTION! >&2 ; echo 0)")
+./array32.sub: line 68: $(echo INJECTION! >&2 ; echo 0): arithmetic syntax error: operand expected (error token is "$(echo INJECTION! >&2 ; echo 0)")
+./array32.sub: line 75: $(echo INJECTION! >&2 ; echo 0): arithmetic syntax error: operand expected (error token is "$(echo INJECTION! >&2 ; echo 0)")
+declare -a a
+./array32.sub: line 77: $(echo INJECTION! >&2 ; echo 0): arithmetic syntax error: operand expected (error token is "$(echo INJECTION! >&2 ; echo 0)")
+declare -a a
+./array32.sub: line 80: $(echo INJECTION! >&2 ; echo 0): arithmetic syntax error: operand expected (error token is "$(echo INJECTION! >&2 ; echo 0)")
+declare -a a
+./array32.sub: line 85: $(echo INJECTION! >&2 ; echo 0): arithmetic syntax error: operand expected (error token is "$(echo INJECTION! >&2 ; echo 0)")
+./array32.sub: line 91: $(echo INJECTION! >&2 ; echo 0): arithmetic syntax error: operand expected (error token is "$(echo INJECTION! >&2 ; echo 0)")
+declare -a a=()
+./array32.sub: line 95: $(echo INJECTION! >&2 ; echo 0): arithmetic syntax error: operand expected (error token is "$(echo INJECTION! >&2 ; echo 0)")
+declare -a a=()
+declare -A A=([x]="x" )
+declare -A A=([1]="1" )
+./array33.sub: line 27: f: A: cannot convert associative to indexed array
+./array33.sub: line 27: declare: A: cannot convert associative to indexed array
+./array33.sub: line 31: A: cannot convert associative to indexed array
+declare -A A=([1]="1" )
+declare -a A=([0]="x" [1]="x")
+./array33.sub: line 40: f: A: cannot convert indexed to associative array
+./array33.sub: line 40: declare: A: cannot convert indexed to associative array
+declare -a A=([0]="x" [1]="x")
+./array33.sub: line 46: A: cannot convert indexed to associative array
+declare -a A=([0]="x" [1]="x")
+./array33.sub: line 52: read: A: not an indexed array
@@ -11,13 +11,19 @@
 #   You should have received a copy of the GNU General Public License
 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
+
+# Filter stdin to remove builtin array variables that are
+# automatically set and possibly contain values that vary.
+ignore_builtin_arrays()
+{
+	grep -v -e BASH_VERSINFO= -e PIPESTATUS= -e GROUPS=
+}
+
 # this is needed so that the bad assignments (b[]=bcde, for example) do not
 # cause fatal shell errors when in posix mode
 set +o posix

 set +a
-# The calls to egrep -v are to filter out builtin array variables that are
-# automatically set and possibly contain values that vary.

 # first make sure we handle the basics
 x=()
@@ -61,7 +67,7 @@ echo ${a[@]}
 echo ${a[*]}

 # this should print out values, too
-declare -a | egrep -v '(BASH_VERSINFO|PIPESTATUS|GROUPS)'
+declare -a | ignore_builtin_arrays

 unset a[7]
 echo ${a[*]}
@@ -92,11 +98,11 @@ echo ${a[@]}
 readonly a[5]
 readonly a
 # these two lines should output `declare' commands
-readonly -a | egrep -v '(BASH_VERSINFO|PIPESTATUS|GROUPS)'
-declare -ar | egrep -v '(BASH_VERSINFO|PIPESTATUS|GROUPS)'
+readonly -a | ignore_builtin_arrays
+declare -ar | ignore_builtin_arrays
 # this line should output `readonly' commands, even for arrays
 set -o posix
-readonly -a | egrep -v '(BASH_VERSINFO|PIPESTATUS|GROUPS)'
+readonly -a | ignore_builtin_arrays
 set +o posix

 declare -a d='([1]="" [2]="bdef" [5]="hello world" "test")'
@@ -111,7 +117,7 @@ b=([0]=this [1]=is [2]=a [3]=test [4]="$PS1" [5]=$pass)

 echo ${b[@]:2:3}

-declare -pa | egrep -v '(BASH_VERSINFO|PIPESTATUS|GROUPS)'
+declare -pa | ignore_builtin_arrays

 a[3]="this is a test"

@@ -125,11 +131,13 @@ echo ${c[-4]}
 d[7]=(abdedfegeee)

 d=([]=abcde [1]="test test" [*]=last [-65]=negative )
+d=([0]=abcde [1]="test test" [*]=last )
+d=([1]="test test" [-65]=negative )

 unset d[12]
 unset e[*]

-declare -a | egrep -v '(BASH_VERSINFO|PIPESTATUS|GROUPS)'
+declare -a | ignore_builtin_arrays

 ps1='hello'
 unset ps1[2]
@@ -155,7 +163,7 @@ echo ${vv[0]} ${vv[3]}
 echo ${vv[@]}
 unset vv

-declare -a | egrep -v '(BASH_VERSINFO|PIPESTATUS|GROUPS)'
+declare -a | ignore_builtin_arrays

 export rv
 #set
@@ -226,6 +234,11 @@ unset xpath[nelem-1]
 nelem=${#xpath[@]}
 echo ${#xpath[@]} -- $nelem

+# error
+echo ${#xpath[-10]}
+# zero length for unset elements
+echo ${#xpath[42]}
+
 # arrays and things that look like index assignments
 array=(42 [1]=14 [2]=44)

@@ -250,6 +263,9 @@ barray=(new1 new2 new3)
 echo "length = ${#barray[@]}"
 echo "value = ${barray[*]}"

+# the compound assignment syntax inherited from ksh93 has some quirks
+badarray=( metacharacters like & need to be quoted in compound assignments)
+
 # make sure the array code behaves correctly with respect to unset variables
 set -u
 ( echo ${#narray[4]} )
@@ -397,6 +413,18 @@ Z='a b'
 A=( X=$Z )
 declare -p A

+# combine with brace expansion
+letters=( {0..9} )
+echo "${letters["{2..6}"]}"
+
+# tests for assigning to noassign array variables
+BASH_ARGC=(xxx) ; echo FIN1:$?
+BASH_ARGC=foio ; echo FIN2:$?
+declare BASH_ARGC=(xxx) ; echo FIN3:$?
+declare BASH_ARGC=foio ; echo FIN4:$?
+BASH_ARGV[1]=foo ; echo FIN5:$?
+declare BASH_ARGV[1]=foo ; echo FIN6:$?
+
 # tests for bash-3.1 problems
 ${THIS_SH} ./array5.sub

@@ -427,3 +455,6 @@ ${THIS_SH} ./array27.sub
 ${THIS_SH} ./array28.sub
 ${THIS_SH} ./array29.sub
 ${THIS_SH} ./array30.sub
+${THIS_SH} ./array31.sub
+${THIS_SH} ./array32.sub
+${THIS_SH} ./array33.sub
@@ -32,3 +32,12 @@ bar[1]=set
 typeset -a qux
 [[ -v qux ]] || echo qux: unset array: ok
 [[ -v qux[0] ]] || echo qux: unset array element 0: ok
+
+unset -v a
+a[1]=set
+
+[[ -v a ]] ; echo $?
+[[ -v a[1] ]] ; echo $?
+[[ -v a[@] ]] ; echo $?
+
+[[ ${#a[@]} > 0 ]]; echo $?
@@ -76,3 +76,6 @@ for k in ']' '*' '@'; do
   declare "A[$k]=X"
 done
 declare -p A
+
+# empty arrays in arith contexts
+(( y[$none] ))
@@ -40,6 +40,8 @@ argv[2] = <qix>
 argv[1] = <qux qix>
 declare -A wheat=([six]="6" ["foo bar"]="qux qix" )
 argv[1] = <2>
+./assoc.tests: line 99: [$unset]: bad array subscript
+0
 argv[1] = <7>
 argv[1] = <qux>
 argv[2] = <qix>
@@ -283,7 +285,7 @@ declare -A assoc=(["*"]="star" ["!"]="bang" ["@"]="at" )
 at
 star
 declare -A a=(["@"]="at" )
-./assoc13.sub: line 22: ia[@]: bad array subscript
+./assoc13.sub: line 35: ia[@]: bad array subscript
 declare -a ia
 declare -A a=(["@"]="at2" )
 declare -A a=(["@"]="    string" )
@@ -398,3 +400,10 @@ declare -A A=()
 declare -A A=(["]"]="rbracket" ["["]="lbracket" )
 declare -A A=()
 5: ok 1
+declare -A aa=([key]="/homes/cj/Desktop" )
+declare -A aa=([key]="/homes/cj/Desktop" )
+declare -A aa=([k2]="/homes/cj/Library" [key]="/homes/cj/Desktop" )
+declare -A aa=([/homes/cj/key]="/homes/cj/Desktop" )
+declare -A aa=([/homes/cj/Documents]="/homes/cj/Library" [/homes/cj/key]="/homes/cj/Desktop" )
+declare -A aa=([/homes/cj/Documents]="/homes/cj/Library" [/homes/cj/key]="/homes/cj/Desktop:/homes/cj/Documents:/homes/cj/Applications" )
+declare -A aa=([/homes/cj/Documents]="/homes/cj/Library" [/homes/cj/key]="/homes/cj/Desktop:/homes/cj/Documents:/homes/cj/Applications" )
@@ -95,6 +95,11 @@ wheat=([six]=6 [foo bar]="qux qix" )

 recho ${#wheat[@]}

+# and error
+echo ${#wheat[$unset]}
+# zero length for unset element
+echo ${#wheat[unset]}
+
 recho ${#wheat[foo bar]}

 # TEST - appending assignment operator
@@ -266,3 +271,5 @@ ${THIS_SH} ./assoc17.sub
 # tests with `[' and `]' subscripts and printf/read/wait builtins
 ${THIS_SH} ./assoc18.sub

+# tests with tilde expansion in keys and values post-bash-5.2
+${THIS_SH} ./assoc19.sub
@@ -1,3 +1,16 @@
+#   This program is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
 # assignment to @ and *

 declare -A assoc
@@ -41,4 +54,3 @@ declare a[*]=star2

 declare -p a
 unset a
-
@@ -1,5 +1,5 @@
 after f1:declare -ar a=([0]="1")
-./attr.tests: line 17: a: readonly variable
+./attr.tests: line 17: f2: a: readonly variable
 after f2:declare -ar a=([0]="1")
 ./attr.tests: line 18: a: readonly variable
 after f3:declare -ar a=([0]="1")
@@ -17,7 +17,7 @@ declare -r p="1"
 declare -ar r=([0]="1")
 ./attr1.sub: line 36: r: readonly variable
 declare -ar r=([0]="1")
-./attr1.sub: line 40: r: readonly variable
+./attr1.sub: line 40: f: r: readonly variable
 declare -ar r=([0]="1")
 ./attr1.sub: line 44: readonly: r: readonly variable
 declare -ar r=([0]="1")
@@ -22,6 +22,11 @@ foobar foobaz
 bazx bazy
 vx vy
 bazx bazy
+4
+4
+./braces.tests: command substitution: line 59: unexpected EOF while looking for matching `)'
+4
+4
 1 2 3 4 5 6 7 8 9 10
 0..10 braces
 0 1 2 3 4 5 6 7 8 9 10 braces
@@ -58,6 +63,8 @@ a b c d e f g h i j k l m n o p q r s t u v w x y z
 a c e g i k m o q s u w y
 z x v t r p n l j h f d b
 2147483645 2147483646 2147483647 2147483648 2147483649
+00 01 02 03 04 05 06 07 08 09 10
+00 02 04 06 08 10
 10 8 6 4 2 0
 10 8 6 4 2 0
 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0
@@ -49,6 +49,17 @@ echo ${var}{x,y}

 unset var varx vary

+# make sure ${ is parsed as a word expansion, since it may contain other
+# expansions
+a=4
+echo "${a#'$('\'}"
+echo "${a-'$('\'}"
+echo "${a+'$('\'}"
+
+echo "${a#aaaa'$(aaaa'aaa)aaa\'}"
+echo "${a#aaaa'$(aaaa)'aaaa\'}"
+unset -v a
+
 # new sequence brace operators
 echo {1..10}

@@ -110,6 +121,10 @@ echo {z..a..-2}
 # make sure brace expansion handles ints > 2**31 - 1 using intmax_t
 echo {2147483645..2147483649}

+# want zero-padding here
+echo {00..10}
+echo {00..10..2}
+
 # unwanted zero-padding -- fixed post-bash-4.0
 echo {10..0..2}
 echo {10..0..-2}
@@ -1,4 +1,3 @@
-1000
 a
 end-1
 a
@@ -84,13 +83,17 @@ enable times
 enable trap
 enable unset
 enable -n test worked
+enable -n test
 enable test worked
+./builtins.tests: line 126: enable: notbuiltin: not a shell builtin
+./builtins.tests: line 127: enable: test: not dynamically loaded
 specialname
 -specialname
 FOO=BAR
 FOO=BAR
 hash: hash table empty
 0
+no-newline
 AVAR
 foo
 in source.sub2, calling return
@@ -106,6 +109,7 @@ m n o p
 /tmp/bash-dir-a
 /tmp/bash-dir-a
 /tmp/bash-dir-a
+/
 ./source5.sub: line 23: /tmp/source-notthere: No such file or directory
 after bad source 1
 ./source5.sub: line 30: /tmp/source-notthere: No such file or directory
@@ -145,17 +149,19 @@ AVAR
 foo
 declare -x foo=""
 declare -x FOO="\$\$"
-./builtins.tests: line 228: declare: FOO: not found
+./builtins.tests: line 239: declare: FOO: not found
 declare -x FOO="\$\$"
 ok
 ok
-./builtins.tests: line 260: kill: 4096: invalid signal specification
+./builtins.tests: line 271: kill: 4096: invalid signal specification
 1
 a\n\n\nb
 a


 b
+-p
+a	b	c
 before: f = 4
 inside
 after: f = 8 bar = 4
@@ -278,4 +284,210 @@ type
 + command -p -- command -v type
 type
 + set +x
-./builtins.tests: line 284: exit: status: numeric argument required
+u=rw,g=rx,o=rx
+u=r,g=rx,o=rx
+u=rwx,g=rwx,o=
+u=rw,g=wx,o=rx
+u=rx,g=rx,o=rx
+u=rwx,g=rx,o=rwx
+u=rwx,g=rwx,o=rx
+u=rx,g=rx,o=rx
+u=rwx,g=rx,o=rx
+u=rwx,g=rwx,o=rwx
+u=rwx,g=rwx,o=rwx
+u=rwx,g=rx,o=rx
+u=rwx,g=rx,o=rx
+u=rwx,g=rx,o=rx
+u=rwx,g=rx,o=rx
+u=rwx,g=rx,o=rx
+u=rwx,g=rx,o=rx
+u=rwx,g=rx,o=x
+hash: hash table empty
+./builtins9.sub: line 19: hash: notthere: not found
+1
+/nosuchdir/nosuchfile
+builtin hash -p /nosuchdir/nosuchfile cat
+builtin hash -p /nosuchdir/nosuchfile cat
+./builtins9.sub: line 30: hash: notthere: not found
+./builtins9.sub: line 32: hash: notthere: not found
+./builtins9.sub: line 33: hash: notthere: not found
+1
+./builtins9.sub: line 40: /nosuchdir/nosuchfile: No such file or directory
+127
+/nosuchdir/nosuchfile
+0
+0
+found
+./builtins9.sub: line 52: hash: /: Is a directory
+builtin hash -p /nosuchfile cat
+./builtins10.sub: line 17: help: -x: invalid option
+help: usage: help [-dms] [pattern ...]
+These shell commands are defined internally.  Type `help' to see this list.
+Type `help name' to find out more about the function `name'.
+Use `info bash' to find out more about the shell in general.
+Use `man -k' or `info' to find out more about commands not in this list.
+
+A star (*) next to a name means that the command is disabled.
+
+ ! PIPELINE                              history [-c] [-d offset] [n] or hist>
+ job_spec [&]                            if COMMANDS; then COMMANDS; [ elif C>
+ (( expression ))                        jobs [-lnprs] [jobspec ...] or jobs >
+ . filename [arguments]                  kill [-s sigspec | -n signum | -sigs>
+ :                                       let arg [arg ...]
+ [ arg... ]                              local [option] name[=value] ...
+ [[ expression ]]                        logout [n]
+ alias [-p] [name[=value] ... ]          mapfile [-d delim] [-n count] [-O or>
+ bg [job_spec ...]                       popd [-n] [+N | -N]
+ bind [-lpsvPSVX] [-m keymap] [-f file>  printf [-v var] format [arguments]
+ break [n]                               pushd [-n] [+N | -N | dir]
+ builtin [shell-builtin [arg ...]]       pwd [-LP]
+ caller [expr]                           read [-Eers] [-a array] [-d delim] [>
+ case WORD in [PATTERN [| PATTERN]...)>  readarray [-d delim] [-n count] [-O >
+ cd [-L|[-P [-e]]] [-@] [dir]            readonly [-aAf] [name[=value] ...] o>
+ command [-pVv] command [arg ...]        return [n]
+ compgen [-V varname] [-abcdefgjksuv] >  select NAME [in WORDS ... ;] do COMM>
+ complete [-abcdefgjksuv] [-pr] [-DEI]>  set [-abefhkmnptuvxBCEHPT] [-o optio>
+ compopt [-o|+o option] [-DEI] [name .>  shift [n]
+ continue [n]                            shopt [-pqsu] [-o] [optname ...]
+ coproc [NAME] command [redirections]    source filename [arguments]
+ declare [-aAfFgiIlnrtux] [name[=value>  suspend [-f]
+ dirs [-clpv] [+N] [-N]                  test [expr]
+ disown [-h] [-ar] [jobspec ... | pid >  time [-p] pipeline
+ echo [-neE] [arg ...]                   times
+ enable [-a] [-dnps] [-f filename] [na>  trap [-Plp] [[action] signal_spec ..>
+ eval [arg ...]                          true
+ exec [-cl] [-a name] [command [argume>  type [-afptP] name [name ...]
+ exit [n]                                typeset [-aAfFgiIlnrtux] name[=value>
+ export [-fn] [name[=value] ...] or ex>  ulimit [-SHabcdefiklmnpqrstuvxPRT] [>
+ false                                   umask [-p] [-S] [mode]
+ fc [-e ename] [-lnr] [first] [last] o>  unalias [-a] name [name ...]
+ fg [job_spec]                           unset [-f] [-v] [-n] [name ...]
+ for NAME [in WORDS ... ] ; do COMMAND>  until COMMANDS; do COMMANDS-2; done
+ for (( exp1; exp2; exp3 )); do COMMAN>  variables - Names and meanings of so>
+ function name { COMMANDS ; } or name >  wait [-fn] [-p var] [id ...]
+ getopts optstring name [arg ...]        while COMMANDS; do COMMANDS-2; done
+ hash [-lr] [-p pathname] [-dt] [name >  { COMMANDS ; }
+ help [-dms] [pattern ...]
+help: help [-dms] [pattern ...]
+shift - Shift positional parameters.
+shift: shift [n]
+    Shift positional parameters.
+    
+    Rename the positional parameters $N+1,$N+2 ... to $1,$2 ...  If N is
+    not given, it is assumed to be 1.
+    
+    Exit Status:
+    Returns success unless N is negative or greater than $#.
+builtin: builtin [shell-builtin [arg ...]]
+shift: shift [n]
+Shell commands matching keyword `read*'
+
+read: read [-Eers] [-a array] [-d delim] [-i text] [-n nchars] [-N nchars] [-p prompt] [-t timeout] [-u fd] [name ...]
+readarray: readarray [-d delim] [-n count] [-O origin] [-s count] [-t] [-u fd] [-C callback] [-c quantum] [array]
+readonly: readonly [-aAf] [name[=value] ...] or readonly -p
+read: read [-Eers] [-a array] [-d delim] [-i text] [-n nchars] [-N nchars] [-p prompt] [-t timeout] [-u fd] [name ...]
+readarray: readarray [-d delim] [-n count] [-O origin] [-s count] [-t] [-u fd] [-C callback] [-c quantum] [array]
+readonly: readonly [-aAf] [name[=value] ...] or readonly -p
+:: :
+    Null command.
+    
+    No effect; the command does nothing.
+    
+    Exit Status:
+    Always succeeds.
+NAME
+    : - Null command.
+
+SYNOPSIS
+    :
+
+DESCRIPTION
+    Null command.
+    
+    No effect; the command does nothing.
+    
+    Exit Status:
+    Always succeeds.
+
+SEE ALSO
+    bash(1)
+
+IMPLEMENTATION
+    Copyright (C) 2024 Free Software Foundation, Inc.
+
+These shell commands are defined internally.  Type `help' to see this list.
+Type `help name' to find out more about the function `name'.
+Use `info bash' to find out more about the shell in general.
+Use `man -k' or `info' to find out more about commands not in this list.
+
+A star (*) next to a name means that the command is disabled.
+
+ ! PIPELINE                              history [-c] [-d offset] [n] or hist>
+ job_spec [&]                            if COMMANDS; then COMMANDS; [ elif C>
+ (( expression ))                        jobs [-lnprs] [jobspec ...] or jobs >
+ . filename [arguments]                  kill [-s sigspec | -n signum | -sigs>
+ :                                       let arg [arg ...]
+ [ arg... ]                              local [option] name[=value] ...
+ [[ expression ]]                        logout [n]
+ alias [-p] [name[=value] ... ]          mapfile [-d delim] [-n count] [-O or>
+ bg [job_spec ...]                       popd [-n] [+N | -N]
+ bind [-lpsvPSVX] [-m keymap] [-f file>  printf [-v var] format [arguments]
+ break [n]                               pushd [-n] [+N | -N | dir]
+ builtin [shell-builtin [arg ...]]       pwd [-LP]
+ caller [expr]                           read [-Eers] [-a array] [-d delim] [>
+ case WORD in [PATTERN [| PATTERN]...)>  readarray [-d delim] [-n count] [-O >
+ cd [-L|[-P [-e]]] [-@] [dir]            readonly [-aAf] [name[=value] ...] o>
+ command [-pVv] command [arg ...]        return [n]
+ compgen [-V varname] [-abcdefgjksuv] >  select NAME [in WORDS ... ;] do COMM>
+ complete [-abcdefgjksuv] [-pr] [-DEI]>  set [-abefhkmnptuvxBCEHPT] [-o optio>
+ compopt [-o|+o option] [-DEI] [name .>  shift [n]
+ continue [n]                            shopt [-pqsu] [-o] [optname ...]
+ coproc [NAME] command [redirections]    source filename [arguments]
+ declare [-aAfFgiIlnrtux] [name[=value>  suspend [-f]
+ dirs [-clpv] [+N] [-N]                  test [expr]
+ disown [-h] [-ar] [jobspec ... | pid >  time [-p] pipeline
+ echo [-neE] [arg ...]                   times
+ enable [-a] [-dnps] [-f filename] [na>  trap [-Plp] [[action] signal_spec ..>
+ eval [arg ...]                          true
+ exec [-cl] [-a name] [command [argume>  type [-afptP] name [name ...]
+ exit [n]                                typeset [-aAfFgiIlnrtux] name[=value>
+ export [-fn] [name[=value] ...] or ex>  ulimit [-SHabcdefiklmnpqrstuvxPRT] [>
+ false                                   umask [-p] [-S] [mode]
+ fc [-e ename] [-lnr] [first] [last] o>  unalias [-a] name [name ...]
+ fg [job_spec]                           unset [-f] [-v] [-n] [name ...]
+ for NAME [in WORDS ... ] ; do COMMAND>  until COMMANDS; do COMMANDS-2; done
+ for (( exp1; exp2; exp3 )); do COMMAN>  variables - Names and meanings of so>
+ function name { COMMANDS ; } or name >  wait [-fn] [-p var] [id ...]
+ getopts optstring name [arg ...]        while COMMANDS; do COMMANDS-2; done
+ hash [-lr] [-p pathname] [-dt] [name >  { COMMANDS ; }
+ help [-dms] [pattern ...]
+./builtins10.sub: line 39: help: no help topics match `bash'.  Try `help help' or `man -k bash' or `info bash'.
+unlimited
+unlimited
+./builtins11.sub: line 27: ulimit: +1999: invalid number
+0
+0
+./builtins11.sub: line 37: ulimit: -g: invalid option
+ulimit: usage: ulimit [-SHabcdefiklmnpqrstuvxPRT] [limit]
+./builtins11.sub: line 39: ulimit: max user processes: cannot modify limit: Operation not permitted
+/tmp /bin
+/tmp /bin
+/bin /tmp
+./builtins12.sub: line 21: pushd: -x: invalid number
+pushd: usage: pushd [-n] [+N | -N | dir]
+/tmp
+./builtins12.sub: line 24: popd: -x: invalid number
+popd: usage: popd [-n] [+N | -N]
+/ /tmp
+./builtins12.sub: line 27: popd: dir: invalid argument
+popd: usage: popd [-n] [+N | -N]
+/
+/tmp
+/tmp /
+/bin /tmp /
+./builtins12.sub: line 35: popd: -8: directory stack index out of range
+./builtins12.sub: line 36: popd: +8: directory stack index out of range
+/tmp /
+/
+./builtins.tests: line 322: exit: status: numeric argument required
+after non-numeric arg to exit: 2
@@ -15,10 +15,6 @@
 set +p
 set +o posix

-ulimit -S -c 0 2>/dev/null
-ulimit -c -S -- 1000 2>/dev/null
-ulimit -c 2>/dev/null
-
 # check that break breaks loops
 for i in a b c; do echo $i; break; echo bad-$i; done
 echo end-1
@@ -71,6 +67,10 @@ for i in a b c; do
 done
 echo end

+# check arguments to break and continue that exceed the loop level
+for f in 1 2 3; do break -- 5; done
+for f in 1 2 3; do continue -- 5; done
+
 # check that `eval' re-evaluates arguments, but `builtin' and `command' do not
 AVAR='$BVAR'
 BVAR=foo
@@ -87,7 +87,7 @@ BVAR=xxx eval echo $AVAR

 unset -v AVAR BVAR

-# test umask
+# basic umask tests
 mask=$(umask)
 umask 022
 umask
@@ -115,6 +115,7 @@ case "$(type -t test)" in
 builtin)	echo oops -- enable -n test failed ;;
 *)	echo enable -n test worked ;;
 esac
+enable -n | grep test

 enable test
 case "$(type -t test)" in
@@ -122,6 +123,9 @@ builtin)	echo enable test worked ;;
 *)	echo oops -- enable test failed ;;
 esac

+enable -d notbuiltin
+enable -d test
+
 # test options to exec
 (exec -a specialname ${THIS_SH} -c 'echo $0' )
 (exec -l -a specialname ${THIS_SH} -c 'echo $0' )
@@ -145,11 +149,18 @@ command -p hash rm
 # check out source/.

 # sourcing a zero-length-file had better not be an error
-rm -f /tmp/zero-length-file
-cp /dev/null /tmp/zero-length-file
-. /tmp/zero-length-file
+rm -f $TMPDIR/zero-length-file-$$
+cp /dev/null $TMPDIR/zero-length-file-$$
+. $TMPDIR/zero-length-file-$$
 echo $?
-rm /tmp/zero-length-file
+rm $TMPDIR/zero-length-file-$$
+
+# and sourcing a file that doesn't end in a newline had better work too
+SFILE=$TMPDIR/sourced-file-$$
+printf 'echo no-newline' > $SFILE
+. $SFILE
+rm -f $SFILE
+unset -v SFILE

 AVAR=AVAR

@@ -262,6 +273,13 @@ kill -l 4096
 # kill -l NAME should return the signal number
 kill -l ${sigone/SIG/}

+# kill -l NAME should work with and without the SIG prefix
+x=$(kill -l INT)
+y=$(kill -l SIGINT)
+
+[[ $x == $y ]] || echo kill -l error with SIG prefix
+unset -v x y
+
 # test behavior of shopt xpg_echo
 ${THIS_SH} ./builtins2.sub

@@ -280,7 +298,26 @@ ${THIS_SH} ./builtins6.sub
 # test behavior of command builtin after changing it to a pseudo-keyword
 ${THIS_SH} ./builtins7.sub

-# this must be last -- it is a fatal error
-exit status
+# POSIX complete symbolic umask tests
+${THIS_SH} ./builtins8.sub

-echo after bad exit
+# hash tests
+${THIS_SH} ./builtins9.sub
+
+# help tests
+${THIS_SH} ./builtins10.sub
+
+# ulimit tests
+${THIS_SH} ./builtins11.sub
+
+# pushd/popd/dirs
+${THIS_SH} ./builtins12.sub
+
+shift 0	# succeeds silently
+
+options=$(set -o -B 2>&1 | wc -l)
+[[ $options -gt 3 ]] || echo 'set: bad -o option name parsing'
+
+# this no longer must be last -- it is no longer a fatal error
+exit status
+echo after non-numeric arg to exit: $?
@@ -12,3 +12,7 @@ echo $PWD

 cd "$MYDIR"
 rmdir $FULLDIR
+
+cd /
+cd /tmp
+cd -		# should print /
@@ -8,3 +8,7 @@ echo 'a\n\n\nb'

 shopt -s xpg_echo
 echo 'a\n\n\nb'
+
+echo -p
+set -o posix
+echo 'a\tb\tc'
@@ -15,6 +15,9 @@ no
 no
 ok
 esac
+unset word ok 1
+unset word ok 2
+unset word ok 3
 ok 1
 ok 2
 ok 3
@@ -66,6 +66,15 @@ case " " in ( [" "] ) echo ok;; ( * ) echo no;; esac
 case esac in (esac) echo esac;; esac
 case k in else|done|time|esac) for f in 1 2 3 ; do :; done esac

+# null words and patterns
+var=value
+case $unset in
+'')	echo unset word ok 1 ;;&
+$unset|$var)	echo unset word ok 2 ;;&
+unset|$unset)	echo unset word ok 3 ;;
+*)	echo unset word bad ;;
+esac
+
 # tests of quote removal and pattern matching
 ${THIS_SH} ./case1.sub
 ${THIS_SH} ./case2.sub
@@ -43,5 +43,7 @@ Be Conservative in what you send and Liberal in what you accept
 BE CONSERVATIVE IN WHAT YOU SEND AND LIBERAL IN WHAT YOU ACCEPT
 Be conservative in what you send and liberal in what you accept
 BE CONSERVATIVE IN WHAT YOU SEND AND LIBERAL IN WHAT YOU ACCEPT
+acKnowledGEmEnt
+oENoPHiLe
 abcdexyz
 ABCDEXYZ
@@ -114,8 +114,11 @@ echo ${TEXT2^^}
 M1=${S1^^[aeiou]}
 M2=${U2,,[AEIOU]}

-#echo ${M1} ${M1~}
-#echo ${M2} ${M2~~}
+# case-toggling modifiers are still in there for now
+Z1=AcKnowledGEmEnt
+Z2=OenOphIlE
+echo ${Z1~}
+echo ${Z2~~}

 declare -l lower=aBcDe
 lower+=XyZ
@@ -61,3 +61,326 @@ complete -d rmdir
 complete -f more
 complete -f -X '!*.+(gz|tgz)' gzcat
 ./complete.tests: line 123: complete: notthere: no completion specification
+./complete.tests: line 130: complete: -V: invalid option
+complete: usage: complete [-abcdefgjksuv] [-pr] [-DEI] [-o option] [-A action] [-G globpat] [-W wordlist] [-F function] [-C command] [-X filterpat] [-P prefix] [-S suffix] [name ...]
+./complete.tests: line 132: compgen: `invalid-name': not a valid identifier
+.
+unalias -- fee
+unalias -- fi
+unalias -- fum
+!
+%
+(( ... ))
+.
+:
+[
+[[ ... ]]
+alias
+bg
+bind
+break
+builtin
+caller
+case
+cd
+command
+compgen
+complete
+compopt
+continue
+coproc
+declare
+dirs
+disown
+echo
+enable
+eval
+exec
+exit
+export
+false
+fc
+fg
+for
+for ((
+function
+getopts
+hash
+help
+history
+if
+jobs
+kill
+let
+local
+logout
+mapfile
+popd
+printf
+pushd
+pwd
+read
+readarray
+readonly
+return
+select
+set
+shift
+shopt
+source
+suspend
+test
+time
+times
+trap
+true
+type
+typeset
+ulimit
+umask
+unalias
+unset
+until
+variables
+wait
+while
+{ ... }
+allexport
+braceexpand
+emacs
+errexit
+errtrace
+functrace
+hashall
+histexpand
+history
+ignoreeof
+interactive-comments
+keyword
+monitor
+noclobber
+noexec
+noglob
+nolog
+notify
+nounset
+onecmd
+physical
+pipefail
+posix
+privileged
+verbose
+vi
+xtrace
+autocd
+array_expand_once
+assoc_expand_once
+cdable_vars
+cdspell
+checkhash
+checkjobs
+checkwinsize
+cmdhist
+compat31
+compat32
+compat40
+compat41
+compat42
+compat43
+compat44
+complete_fullquote
+direxpand
+dirspell
+dotglob
+execfail
+expand_aliases
+extdebug
+extglob
+extquote
+failglob
+force_fignore
+globasciiranges
+globskipdots
+globstar
+gnu_errfmt
+histappend
+histreedit
+histverify
+hostcomplete
+huponexit
+inherit_errexit
+interactive_comments
+lastpipe
+lithist
+localvar_inherit
+localvar_unset
+login_shell
+mailwarn
+no_empty_cmd_completion
+nocaseglob
+nocasematch
+noexpand_translation
+nullglob
+patsub_replacement
+progcomp
+progcomp_alias
+promptvars
+restricted_shell
+shift_verbose
+sourcepath
+varredir_close
+xpg_echo
+.
+:
+[
+alias
+bg
+bind
+break
+builtin
+caller
+cd
+command
+compgen
+complete
+compopt
+continue
+declare
+dirs
+disown
+echo
+enable
+eval
+exec
+exit
+export
+false
+fc
+fg
+getopts
+hash
+help
+history
+jobs
+kill
+let
+local
+logout
+mapfile
+popd
+printf
+pushd
+pwd
+read
+readarray
+readonly
+return
+set
+shift
+shopt
+source
+suspend
+test
+times
+trap
+true
+type
+typeset
+ulimit
+umask
+unalias
+unset
+wait
+.
+:
+[
+alias
+bg
+bind
+break
+builtin
+caller
+cd
+command
+compgen
+complete
+compopt
+continue
+declare
+dirs
+disown
+echo
+enable
+eval
+exec
+exit
+export
+false
+fc
+fg
+getopts
+hash
+help
+history
+jobs
+kill
+let
+local
+logout
+mapfile
+popd
+printf
+pushd
+pwd
+read
+readarray
+readonly
+return
+set
+shift
+shopt
+source
+suspend
+test
+times
+trap
+true
+type
+typeset
+ulimit
+umask
+unalias
+unset
+wait
+if
+then
+else
+elif
+fi
+case
+esac
+for
+select
+while
+until
+do
+done
+in
+function
+time
+{
+}
+!
+[[
+]]
+coproc
+./complete.tests: line 152: complete: -z: invalid option
+complete: usage: complete [-abcdefgjksuv] [-pr] [-DEI] [-o option] [-A action] [-G globpat] [-W wordlist] [-F function] [-C command] [-X filterpat] [-P prefix] [-S suffix] [name ...]
+complete: usage: complete [-abcdefgjksuv] [-pr] [-DEI] [-o option] [-A action] [-G globpat] [-W wordlist] [-F function] [-C command] [-X filterpat] [-P prefix] [-S suffix] [name ...]
+./complete.tests: line 154: compgen: -r: invalid option
+compgen: usage: compgen [-V varname] [-abcdefgjksuv] [-o option] [-A action] [-G globpat] [-W wordlist] [-F function] [-C command] [-X filterpat] [-P prefix] [-S suffix] [word]
+./complete.tests: line 155: compgen: noaction: invalid action name
+./complete.tests: line 156: compgen: -D: invalid option
+compgen: usage: compgen [-V varname] [-abcdefgjksuv] [-o option] [-A action] [-G globpat] [-W wordlist] [-F function] [-C command] [-X filterpat] [-P prefix] [-S suffix] [word]
+./complete.tests: line 157: compgen: nooption: invalid option name
+./complete.tests: line 159: compopt: nooption: invalid option name
@@ -124,3 +124,36 @@ complete -r notthere

 complete -r
 complete
+
+# new complete/compgen -V option
+# doesn't work for complete
+complete -V name
+
+compgen -V invalid-name -b
+compgen -V array -b
+echo ${array[0]}
+
+# a more complicated example
+unalias -a
+alias fee=one fi=two fo=three fum=four
+compgen -a -X 'fo*' -V vv -P 'unalias -- ' f
+printf '%s\n' "${vv[@]}"
+
+# some random compgen topics
+
+compgen -A helptopic
+builtin compgen -A setopt
+compgen -A shopt
+command compgen -b 
+compgen -A enabled
+compgen -k
+
+# and some errors
+complete -z
+complete -b
+compgen -r
+compgen -A noaction
+compgen -D
+compgen -o nooption
+
+compopt -o nooption
@@ -1,4 +1,6 @@
-./comsub-eof0.sub: line 5: warning: here-document at line 3 delimited by end-of-file (wanted `EOF')
+./comsub-eof0.sub: line 4: warning: here-document at line 2 delimited by end-of-file (wanted `EOF')
+hi
+./comsub-eof0.sub: line 11: warning: here-document at line 9 delimited by end-of-file (wanted `EOF')
 hi
 hi
 ./comsub-eof2.sub: line 2: warning: here-document at line 1 delimited by end-of-file (wanted `EOF')
@@ -1,3 +1,9 @@
+# this works as it should, but with a warning
+foo=$(cat <<EOF
+hi
+EOF)
+echo $foo
+unset -v foo
 # it's only the space before the paren that makes this an error
 # when I fix it, it will show up here
 foo=$(cat <<EOF
@@ -1,4 +1,4 @@
-./comsub.tests: line 20: hijkl: command not found
+./comsub.tests: line 19: hijkl: command not found
 argv[1] = <ab>
 argv[2] = <cd>
 argv[1] = <abmn>
@@ -20,6 +20,11 @@ argv[1] = <foo\^Jbar>
 argv[1] = <foobar>
 argv[1] = <foo\^Jbar>
 nested
+blank ----
+blank ----
+blank ----
+blank ----
+func: v = comsub
 #esac
 a
 ok 1
@@ -77,3 +82,16 @@ Mon Aug 29 20:03:02 EDT 2022
 hey after x
 ./comsub6.sub: line 40: syntax error near unexpected token `)'
 ./comsub6.sub: line 40: `math1)'
+123
+123
+0
+123
+123
+0
+Mon Aug 29 20:03:02 EDT 2022
+Mon Aug 29 20:03:02 EDT 2022
+Mon Aug 29 20:03:02 EDT 2022
+Mon Aug 29 20:03:02 EDT 2022
+123
+before 123
+in for 123
@@ -76,9 +76,34 @@ echo $(echo $( echo nested )
 )
 )

+# empty comsubs, fork and nofork
+echo blank --$(
+)--
+echo blank --$()--
+
+echo blank --${ 
+}--
+echo blank --${  }--
+
+
+BUILDDIR=/builds/test
+read << EOC
+Dir: ${BUILDDIR#<(echo a)/}
+EOC
+
+# return in a comsub inside a shell function should abort the comsub
+func()
+{
+	local v
+	v=$( echo comsub ; return ; echo after)
+	echo $FUNCNAME: v = $v
+}
+func
+
 ${THIS_SH} ./comsub1.sub
 ${THIS_SH} ./comsub2.sub
 ${THIS_SH} ./comsub3.sub
 ${THIS_SH} ./comsub4.sub
 ${THIS_SH} ./comsub5.sub
 ${THIS_SH} ./comsub6.sub
+${THIS_SH} ./comsub7.sub
@@ -21,6 +21,16 @@

 [[ "\\" =~ [\\] ]] || echo bad 5

+[[ x =~ [z-a] ]] && echo bad 6
+
+[[ x =~ [[:invalid:]abc] ]] && echo bad 7
+
+exp='x\'
+[[ x =~ $exp ]] && echo bad 8
+
+exp='a(xb'
+[[ x =~ $exp ]] && echo bad 9
+
 [[ dog =~ [[=d=]].. ]] && echo ok 1
 [[ d.. =~ [[=d=]]\.\. ]] && echo ok 2
 [[ dog =~ ['[=d=]'].. ]] && echo ok 3	# dubious
@@ -12,6 +12,8 @@ returns: 0
 returns: 0
 returns: 1
 returns: 0
+./cond.tests: line 65: [[: X: integer expected
+returns: 2
 returns: 0
 returns: 1
 returns: 1
@@ -27,7 +29,7 @@ returns: 0
 returns: 1
 returns: 1
 returns: 0
-./cond.tests: line 122: [[: 4+: syntax error: operand expected (error token is "+")
+./cond.tests: line 126: [[: 4+: arithmetic syntax error: operand expected (error token is "+")
 returns: 1
 returns: 0
 returns: 0
@@ -52,6 +54,12 @@ ok 2
 ok 3
 ok 4
 ok 5
+ok c1
+ok c2
+ok c3
+ok c4
+ok c5
+ok c6
 match 1
 match 2
 match 3
@@ -76,6 +84,11 @@ match control-a 2
 match control-a 3
 match control-a 4
 match control-a 5
+./cond-regexp2.sub: line 18: [[: invalid regular expression `[\.': brackets ([ ]) not balanced
+./cond-regexp2.sub: line 24: [[: invalid regular expression `[z-a]': invalid character range
+./cond-regexp2.sub: line 26: [[: invalid regular expression `[[:invalid:]abc]': invalid character class
+./cond-regexp2.sub: line 29: [[: invalid regular expression `x\': trailing backslash (\)
+./cond-regexp2.sub: line 32: [[: invalid regular expression `a(xb': parentheses not balanced
 ok 1
 ok 2
 ok 3
@@ -140,3 +153,44 @@ ok 5
 ok 6
 ok 7
 ok 8
+bash: -c: line 1: unexpected token `EOF', expected `)'
+bash: -c: line 2: syntax error: unexpected end of file
+bash: -c: line 1: unexpected EOF while looking for `]]'
+bash: -c: line 2: syntax error: unexpected end of file
+bash: -c: line 1: syntax error in conditional expression
+bash: -c: line 1: syntax error near `]'
+bash: -c: line 1: `[[ ( -t X ) ]'
+bash: -c: line 1: unexpected argument `&' to conditional unary operator
+bash: -c: line 1: syntax error near `&'
+bash: -c: line 1: `[[ -n &'
+bash: -c: line 1: syntax error in conditional expression: unexpected token `&'
+bash: -c: line 1: syntax error near `&'
+bash: -c: line 1: `[[ -n XX &'
+bash: -c: line 1: syntax error in conditional expression: unexpected token `&'
+bash: -c: line 1: syntax error near `&'
+bash: -c: line 1: `[[ -n XX & ]'
+bash: -c: line 1: unexpected token `&', conditional binary operator expected
+bash: -c: line 1: syntax error near `&'
+bash: -c: line 1: `[[ 4 & ]]'
+bash: -c: line 1: unexpected argument `&' to conditional binary operator
+bash: -c: line 1: syntax error near `&'
+bash: -c: line 1: `[[ 4 > & ]]'
+bash: -c: line 1: unexpected token `&' in conditional command
+bash: -c: line 1: syntax error near `&'
+bash: -c: line 1: `[[ & ]]'
+bash: -c: line 1: conditional binary operator expected
+bash: -c: line 1: syntax error near `7'
+bash: -c: line 1: `[[ -Q 7 ]]'
+bash: -c: line 1: unexpected argument `<' to conditional unary operator
+bash: -c: line 1: syntax error near `<'
+bash: -c: line 1: `[[ -n < ]]'
+ERR: 22: -[[ -n $unset ]]- failed
+ERR: 28: -[[ -z nonempty ]]- failed
+ [[ -t X ]]
+./cond-xtrace1.sub: line 6: [[: X: integer expected
+ [[ '' > 7 ]]
+ [[ -n X ]]
+ ivar=42
+ [[ 42 -eq 42 ]]
+ [[ -n a ]]
+ [[ -n b ]]
@@ -61,6 +61,10 @@ echo returns: $?
 [[ -z $UNSET ]]
 echo returns: $?

+# need to handle test syntax errors and longjmp
+[[ -t X ]]
+echo returns: $?
+
 # the ==/= and != operators do pattern matching
 [[ $TDIR == /usr/homes/* ]]
 echo returns: $?
@@ -225,8 +229,20 @@ del=$'\177'
 # allow reserved words after a conditional command just because
 if [[ str ]] then [[ str ]] fi

+# make sure pattern matching does the right thing with CTLESC
+var=$'ab\001'
+[[ $var == $var ]] && echo ok c1
+[[ $var == a* ]] && echo ok c2
+[[ $var == $'ab\001' ]] && echo ok c3
+
+var=$'ab\001c'
+[[ $var == $var ]] && echo ok c4
+[[ $var == a* ]] && echo ok c5
+[[ $var == $'ab\001'* ]] && echo ok c6
+
 ${THIS_SH} ./cond-regexp1.sub
-
 ${THIS_SH} ./cond-regexp2.sub
-
 ${THIS_SH} ./cond-regexp3.sub
+
+${THIS_SH} ./cond-error1.sub
+${THIS_SH} ./cond-xtrace1.sub
@@ -1,7 +1,10 @@
-debug lineno: 74 main
-debug lineno: 77 main
-FUNCNAME main
+0 NULL
+./dbg-support.tests: line 72: caller: -z: invalid option
+caller: usage: caller [expr]
+debug lineno: 78 main
 debug lineno: 81 main
+FUNCNAME main
+debug lineno: 85 main
 debug lineno: 30 fn1
 debug lineno: 31 fn1
 LINENO 31
@@ -12,9 +15,9 @@ BASH_SOURCE[0] ./dbg-support.tests
 debug lineno: 34 fn1
 FUNCNAME[0] fn1
 debug lineno: 35 fn1
-debug lineno: 35 fn1 81 ./dbg-support.tests
+debug lineno: 35 fn1 85 ./dbg-support.tests
 debug lineno: 36 fn1
-debug lineno: 36 fn1 81 main ./dbg-support.tests
+debug lineno: 36 fn1 85 main ./dbg-support.tests
 debug lineno: 37 fn1
 debug lineno: 37 fn1
 debug lineno: 38 fn1
@@ -26,7 +29,7 @@ debug lineno: 25 print_return_trap
 debug lineno: 26 print_return_trap
 return lineno: 30 fn1
 debug lineno: 27 print_return_trap
-debug lineno: 82 main
+debug lineno: 86 main
 debug lineno: 41 fn2
 debug lineno: 42 fn2
 fn2 here. Calling fn1...
@@ -45,7 +48,7 @@ debug lineno: 35 fn1 43 ./dbg-support.tests
 debug lineno: 36 fn1
 debug lineno: 36 fn1 43 fn2 ./dbg-support.tests
 debug lineno: 37 fn1
-debug lineno: 37 fn1 82 main ./dbg-support.tests
+debug lineno: 37 fn1 86 main ./dbg-support.tests
 debug lineno: 38 fn1
 ./dbg-support.tests: line 38: caller: foo: invalid number
 caller: usage: caller [expr]
@@ -60,7 +63,7 @@ debug lineno: 25 print_return_trap
 debug lineno: 26 print_return_trap
 return lineno: 41 fn2
 debug lineno: 27 print_return_trap
-debug lineno: 83 main
+debug lineno: 87 main
 debug lineno: 46 fn3
 debug lineno: 47 fn3
 LINENO 47
@@ -112,7 +115,7 @@ debug lineno: 23 sourced_fn
 debug lineno: 24 sourced_fn
 debug lineno: 25 sourced_fn
 debug lineno: 26 sourced_fn
-FUNCNAME[2]: fn3 called from ./dbg-support.tests at line 83
+FUNCNAME[2]: fn3 called from ./dbg-support.tests at line 87
 debug lineno: 23 sourced_fn
 debug lineno: 23 sourced_fn
 debug lineno: 24 sourced_fn
@@ -137,7 +140,7 @@ debug lineno: 25 print_return_trap
 debug lineno: 26 print_return_trap
 return lineno: 46 fn3
 debug lineno: 27 print_return_trap
-debug lineno: 84 main
+debug lineno: 88 main
 debug lineno: 31 source
 SOURCED LINENO 31
 debug lineno: 32 source
@@ -160,7 +163,7 @@ debug lineno: 23 sourced_fn
 debug lineno: 24 sourced_fn
 debug lineno: 25 sourced_fn
 debug lineno: 26 sourced_fn
-FUNCNAME[1]: source called from ./dbg-support.tests at line 84
+FUNCNAME[1]: source called from ./dbg-support.tests at line 88
 debug lineno: 23 sourced_fn
 debug lineno: 23 sourced_fn
 debug lineno: 24 sourced_fn
@@ -175,24 +178,24 @@ debug lineno: 25 print_return_trap
 debug lineno: 26 print_return_trap
 return lineno: 16 sourced_fn
 debug lineno: 27 print_return_trap
-debug lineno: 84 main
+debug lineno: 88 main
 debug lineno: 25 print_return_trap
 debug lineno: 26 print_return_trap
-return lineno: 84 main
+return lineno: 88 main
 debug lineno: 27 print_return_trap
-debug lineno: 87 main
-debug lineno: 90 main
+debug lineno: 91 main
+debug lineno: 94 main
 LINENO 31
 LINENO 32
 BASH_SOURCE[0] ./dbg-support.tests
 FUNCNAME[0] fn1
-90 ./dbg-support.tests
-90 main ./dbg-support.tests
+94 ./dbg-support.tests
+94 main ./dbg-support.tests

 ./dbg-support.tests: line 38: caller: foo: invalid number
 caller: usage: caller [expr]

-debug lineno: 91 main
+debug lineno: 95 main
 fn2 here. Calling fn1...
 LINENO 31
 LINENO 32
@@ -200,11 +203,11 @@ BASH_SOURCE[0] ./dbg-support.tests
 FUNCNAME[0] fn1
 43 ./dbg-support.tests
 43 fn2 ./dbg-support.tests
-91 main ./dbg-support.tests
+95 main ./dbg-support.tests
 ./dbg-support.tests: line 38: caller: foo: invalid number
 caller: usage: caller [expr]

-debug lineno: 92 main
+debug lineno: 96 main
 LINENO 47
 BASH_SOURCE[0] ./dbg-support.tests
 fn3 called from file  `./dbg-support.tests' at line 0
@@ -214,13 +217,13 @@ SOURCED BASH_SOURCE[0] ./dbg-support.sub
 SOURCED FN LINENO 18
 FUNCNAME[0]: sourced_fn called from ./dbg-support.sub at line 33
 FUNCNAME[1]: source called from ./dbg-support.tests at line 59
-FUNCNAME[2]: fn3 called from ./dbg-support.tests at line 92
+FUNCNAME[2]: fn3 called from ./dbg-support.tests at line 96
 FUNCNAME[3]: main called from ./dbg-support.tests at line 0
-debug lineno: 93 main
+debug lineno: 97 main
 fn4 here. Calling fn3...
 LINENO 47
 BASH_SOURCE[0] ./dbg-support.tests
-fn3 called from file  `./dbg-support.tests' at line 93
+fn3 called from file  `./dbg-support.tests' at line 97
 fn4 called from file  `./dbg-support.tests' at line 0
 main called from file  `./dbg-support.tests' at line 0
 SOURCED LINENO 31
@@ -229,18 +232,18 @@ SOURCED FN LINENO 18
 FUNCNAME[0]: sourced_fn called from ./dbg-support.sub at line 33
 FUNCNAME[1]: source called from ./dbg-support.tests at line 59
 FUNCNAME[2]: fn3 called from ./dbg-support.tests at line 64
-FUNCNAME[3]: fn4 called from ./dbg-support.tests at line 93
+FUNCNAME[3]: fn4 called from ./dbg-support.tests at line 97
 FUNCNAME[4]: main called from ./dbg-support.tests at line 0
-debug lineno: 94 main
+debug lineno: 98 main
 SOURCED LINENO 31
 SOURCED BASH_SOURCE[0] ./dbg-support.sub
 SOURCED FN LINENO 18
 FUNCNAME[0]: sourced_fn called from ./dbg-support.sub at line 33
-FUNCNAME[1]: source called from ./dbg-support.tests at line 94
+FUNCNAME[1]: source called from ./dbg-support.tests at line 98
 FUNCNAME[2]: main called from ./dbg-support.tests at line 0
-return lineno: 94 main
-debug lineno: 97 main
-debug lineno: 100 main
+return lineno: 98 main
+debug lineno: 101 main
+debug lineno: 104 main
 debug lineno: 31 source
 SOURCED LINENO 31
 debug lineno: 32 source
@@ -263,7 +266,7 @@ debug lineno: 23 sourced_fn
 debug lineno: 24 sourced_fn
 debug lineno: 25 sourced_fn
 debug lineno: 26 sourced_fn
-FUNCNAME[1]: source called from ./dbg-support.tests at line 100
+FUNCNAME[1]: source called from ./dbg-support.tests at line 104
 debug lineno: 23 sourced_fn
 debug lineno: 23 sourced_fn
 debug lineno: 24 sourced_fn
@@ -278,39 +281,39 @@ debug lineno: 25 print_return_trap
 debug lineno: 26 print_return_trap
 return lineno: 16 sourced_fn
 debug lineno: 27 print_return_trap
-debug lineno: 100 main
+debug lineno: 104 main
 debug lineno: 25 print_return_trap
 debug lineno: 26 print_return_trap
-return lineno: 100 main
+return lineno: 104 main
 debug lineno: 27 print_return_trap
-debug lineno: 101 main
-debug lineno: 104 main
-debug lineno: 104 main
 debug lineno: 105 main
 debug lineno: 108 main
-debug lineno: 104 main
-debug lineno: 104 main
-debug lineno: 105 main
 debug lineno: 108 main
-debug lineno: 104 main
-debug lineno: 104 main
-debug lineno: 105 main
-debug lineno: 106 main
+debug lineno: 109 main
+debug lineno: 112 main
+debug lineno: 108 main
+debug lineno: 108 main
+debug lineno: 109 main
+debug lineno: 112 main
+debug lineno: 108 main
+debug lineno: 108 main
+debug lineno: 109 main
+debug lineno: 110 main
 Hit 2
+debug lineno: 112 main
 debug lineno: 108 main
-debug lineno: 104 main
-debug lineno: 104 main
-debug lineno: 114 main
-SOURCED FN LINENO 18 FUNCNAME[0]: sourced_fn called from ./dbg-support.tests at line 114 FUNCNAME[1]: main called from ./dbg-support.tests at line 0
-debug lineno: 115 main
-SOURCED FN LINENO 18 FUNCNAME[0]: sourced_fn called from ./dbg-support.tests at line 115 FUNCNAME[1]: main called from ./dbg-support.tests at line 0
-debug lineno: 116 main
-debug lineno: 117 main
-SOURCED FN LINENO 18
-FUNCNAME[0]: sourced_fn called from ./dbg-support.tests at line 117
-FUNCNAME[1]: main called from ./dbg-support.tests at line 0
+debug lineno: 108 main
+debug lineno: 118 main
+SOURCED FN LINENO 18 FUNCNAME[0]: sourced_fn called from ./dbg-support.tests at line 118 FUNCNAME[1]: main called from ./dbg-support.tests at line 0
+debug lineno: 119 main
+SOURCED FN LINENO 18 FUNCNAME[0]: sourced_fn called from ./dbg-support.tests at line 119 FUNCNAME[1]: main called from ./dbg-support.tests at line 0
+debug lineno: 120 main
 debug lineno: 121 main
-debug lineno: 122 main
+SOURCED FN LINENO 18
+FUNCNAME[0]: sourced_fn called from ./dbg-support.tests at line 121
+FUNCNAME[1]: main called from ./dbg-support.tests at line 0
+debug lineno: 125 main
+debug lineno: 126 main
 debug lineno: 16 sourced_fn
 debug lineno: 17 sourced_fn
 debug lineno: 18 sourced_fn
@@ -322,7 +325,7 @@ debug lineno: 23 sourced_fn
 debug lineno: 24 sourced_fn
 debug lineno: 25 sourced_fn
 debug lineno: 26 sourced_fn
-FUNCNAME[0]: sourced_fn called from ./dbg-support.tests at line 122
+FUNCNAME[0]: sourced_fn called from ./dbg-support.tests at line 126
 debug lineno: 23 sourced_fn
 debug lineno: 23 sourced_fn
 debug lineno: 24 sourced_fn
@@ -337,21 +340,21 @@ debug lineno: 25 print_return_trap
 debug lineno: 26 print_return_trap
 return lineno: 16 sourced_fn
 debug lineno: 27 print_return_trap
-debug lineno: 125 main
-debug lineno: 130 main
+debug lineno: 129 main
 debug lineno: 134 main
+debug lineno: 138 main
 got it
-debug lineno: 142 main
-debug lineno: 143 main
-debug lineno: 144 main
-debug lineno: 143 main
-debug lineno: 144 main
-debug lineno: 142 main
-debug lineno: 143 main
-debug lineno: 144 main
-debug lineno: 143 main
-debug lineno: 144 main
+debug lineno: 146 main
+debug lineno: 147 main
 debug lineno: 148 main
+debug lineno: 147 main
+debug lineno: 148 main
+debug lineno: 146 main
+debug lineno: 147 main
+debug lineno: 148 main
+debug lineno: 147 main
+debug lineno: 148 main
+debug lineno: 152 main
 main: calling f1
 f1: calling f2
 f2: calling f3
@@ -67,6 +67,10 @@ fn4() {
 #
 # Test of support for debugging facilities in bash
 # 
+
+caller
+caller -z
+
 # Test debugger set option functrace - set on. Not in vanilla Bash 2.05
 #
 set -o functrace
@@ -329,4 +329,7 @@ ${THIS_SH} ./dollar-star9.sub
 # null strings as the positional parameters
 ${THIS_SH} ./dollar-star10.sub

+# tests for expansions of $* when IFS=$'\1'
+${THIS_SH} ./dollar-star11.sub
+
 exit 0
@@ -742,3 +742,43 @@ argv[2] = <2>
 var=1 2
 argv[1] = <1 2>
 argv[1] = <1 2>
+argv[1] = <^Aaa^Abb^Acc^A--^Add^A>
+argv[1] = <^A--^A>
+ok 1
+ok 2
+ok 3
+ok 4
+ok 5
+ok 6
+ok 7
+ok 8
+ok 9
+ok 10
+ok 11
+ok 12
+ok 13
+ok 14
+ok 15
+ok 16
+ok 17
+ok 18
+ok 19
+ok 20
+ok 21
+ok 22
+ok 23
+ok 24
+ok 25
+ok 26
+ok 27
+ok 28
+ok 29
+ok 30
+ok 31
+ok 32
+ok 33
+ok 34
+ok 35
+ok 36
+ok 37
+ok 38
@@ -5,3 +5,11 @@ SECONDS ok
 EPOCHSECONDS ok
 EPOCHREALTIME ok
 echo $BASH_COMMAND
+110
+111
+112
+113
+114
+./dynvar.tests: line 115: ((: LINENO / 0 : division by 0 (error token is "0 ")
+0
+0
@@ -47,6 +47,11 @@ after=$SECONDS
 if (( $after > $before )); then echo SECONDS ok; fi
 unset before after

+# do the best we can to test assignment to SECONDS
+SECONDS=2
+sleep 1
+[[ $SECONDS -ge 10 ]] && echo 'SECONDS: bad value assignment'
+
 # EPOCHSECONDS

 # not exact, but should work
@@ -99,4 +104,23 @@ ${THIS_SH} -c 'echo $BASH_COMMAND'

 # FUNCNAME tested in func.tests
 # RANDOM tested in varenv.sh
-# LINENO tested in dbg-support
+# LINENO tested in dbg-support, misc additional tests here
+arith_lineno()
+{
+	echo $LINENO
+	for f in 1 ; do echo $LINENO; done
+	for (( f=1 ; f < 2; f++ )); do echo $LINENO; done
+	echo $(( $LINENO ))
+	(( 1 == 1 )) && echo $LINENO
+	(( LINENO / 0 ))
+}
+arith_lineno
+
+# assignments to noassign variables are ignored
+FUNCNAME=42
+echo $? $FUNCNAME
+
+GROUPS[0]=-1
+echo $?
+
+[[ ${GROUPS[0]} != -1 ]] || echo GROUPS noassign error
@@ -1,110 +1,153 @@
-./errors.tests: line 30: alias: -x: invalid option
-alias: usage: alias [-p] [name[=value] ... ]
-./errors.tests: line 31: unalias: -x: invalid option
 unalias: usage: unalias [-a] name [name ...]
-./errors.tests: line 32: alias: hoowah: not found
-./errors.tests: line 33: unalias: hoowah: not found
-./errors.tests: line 36: `1': not a valid identifier
+./errors.tests: line 31: alias: -x: invalid option
+alias: usage: alias [-p] [name[=value] ... ]
+./errors.tests: line 32: unalias: -x: invalid option
+unalias: usage: unalias [-a] name [name ...]
+./errors.tests: line 33: alias: hoowah: not found
+./errors.tests: line 34: unalias: hoowah: not found
+./errors.tests: line 37: `1': not a valid identifier
+./errors.tests: line 41: `f\1': not a valid identifier
+./errors.tests: line 45: `invalid-name': not a valid identifier
+./errors.tests: line 47: `f\1': not a valid identifier
+./errors.tests: line 50: `1': not a valid identifier
+./errors.tests: line 51: `f\1': not a valid identifier
+./errors.tests: line 52: `invalid-name': not a valid identifier
+./errors.tests: line 54: `1': not a valid identifier
+./errors.tests: line 55: `f\1': not a valid identifier
+./errors.tests: line 59: `$1': not a valid identifier
 declare -fr func
-./errors.tests: line 49: func: readonly function
-./errors.tests: line 52: unset: -x: invalid option
+./errors.tests: line 76: func: readonly function
+./errors.tests: line 79: unset: -x: invalid option
 unset: usage: unset [-f] [-v] [-n] [name ...]
-./errors.tests: line 55: unset: func: cannot unset: readonly function
-./errors.tests: line 58: declare: func: readonly function
-./errors.tests: line 62: declare: -a: invalid option
-./errors.tests: line 63: declare: -i: invalid option
-./errors.tests: line 67: unset: XPATH: cannot unset: readonly variable
-./errors.tests: line 73: unset: cannot simultaneously unset a function and a variable
-./errors.tests: line 76: declare: -z: invalid option
+./errors.tests: line 82: unset: func: cannot unset: readonly function
+./errors.tests: line 85: declare: func: readonly function
+./errors.tests: line 89: declare: -a: invalid option
+./errors.tests: line 90: declare: -i: invalid option
+./errors.tests: line 94: unset: XPATH: cannot unset: readonly variable
+./errors.tests: line 100: unset: cannot simultaneously unset a function and a variable
+./errors.tests: line 103: declare: -z: invalid option
 declare: usage: declare [-aAfFgiIlnrtux] [name[=value] ...] or declare -p [-aAfFilnrtux] [name ...]
-./errors.tests: line 78: declare: `-z': not a valid identifier
-./errors.tests: line 79: declare: `/bin/sh': not a valid identifier
-./errors.tests: line 83: declare: cannot use `-f' to make functions
-./errors.tests: line 86: exec: -i: invalid option
+./errors.tests: line 105: declare: `-z': not a valid identifier
+./errors.tests: line 106: declare: `/bin/sh': not a valid identifier
+./errors.tests: line 110: declare: cannot use `-f' to make functions
+./errors.tests: line 113: exec: -i: invalid option
 exec: usage: exec [-cl] [-a name] [command [argument ...]] [redirection ...]
-./errors.tests: line 90: export: XPATH: not a function
-./errors.tests: line 93: break: only meaningful in a `for', `while', or `until' loop
-./errors.tests: line 94: continue: only meaningful in a `for', `while', or `until' loop
-./errors.tests: line 97: shift: label: numeric argument required
-./errors.tests: line 102: shift: too many arguments
-./errors.tests: line 108: let: expression expected
-./errors.tests: line 111: local: can only be used in a function
-./errors.tests: line 114: logout: not login shell: use `exit'
-./errors.tests: line 117: hash: notthere: not found
-./errors.tests: line 120: hash: -v: invalid option
+./errors.tests: line 120: export: XPATH: not a function
+./errors.tests: line 123: break: only meaningful in a `for', `while', or `until' loop
+./errors.tests: line 124: continue: only meaningful in a `for', `while', or `until' loop
+./errors.tests: line 127: shift: label: numeric argument required
+./errors.tests: line 132: shift: too many arguments
+./errors.tests: line 138: let: expression expected
+./errors.tests: line 141: local: can only be used in a function
+./errors.tests: line 144: logout: not login shell: use `exit'
+./errors.tests: line 147: hash: notthere: not found
+./errors.tests: line 150: hash: -v: invalid option
 hash: usage: hash [-lr] [-p pathname] [-dt] [name ...]
-./errors.tests: line 124: hash: hashing disabled
-./errors.tests: line 127: export: `AA[4]': not a valid identifier
-./errors.tests: line 128: readonly: `AA[4]': not a valid identifier
-./errors.tests: line 131: unset: [-2]: bad array subscript
-./errors.tests: line 135: AA: readonly variable
-./errors.tests: line 139: AA: readonly variable
-./errors.tests: line 147: shift: 5: shift count out of range
-./errors.tests: line 148: shift: -2: shift count out of range
-./errors.tests: line 151: shopt: no_such_option: invalid shell option name
-./errors.tests: line 152: shopt: no_such_option: invalid shell option name
-./errors.tests: line 155: umask: 09: octal number out of range
-./errors.tests: line 156: umask: `:': invalid symbolic mode character
-./errors.tests: line 157: umask: `:': invalid symbolic mode operator
-./errors.tests: line 160: umask: -i: invalid option
+./errors.tests: line 153: hash: -d: option requires an argument
+./errors.tests: line 157: hash: hashing disabled
+./errors.tests: line 160: unset: [-2]: bad array subscript
+./errors.tests: line 164: AA: readonly variable
+./errors.tests: line 168: AA: readonly variable
+./errors.tests: line 176: shift: 5: shift count out of range
+./errors.tests: line 177: shift: -2: shift count out of range
+./errors.tests: line 178: shift: 5: shift count out of range
+./errors.tests: line 179: shift: -2: shift count out of range
+./errors.tests: line 182: shopt: no_such_option: invalid shell option name
+./errors.tests: line 183: shopt: no_such_option: invalid shell option name
+./errors.tests: line 184: shopt: no_such_option: invalid option name
+./errors.tests: line 187: umask: 09: octal number out of range
+./errors.tests: line 188: umask: `:': invalid symbolic mode character
+./errors.tests: line 189: umask: `:': invalid symbolic mode operator
+./errors.tests: line 192: umask: -i: invalid option
 umask: usage: umask [-p] [-S] [mode]
-./errors.tests: line 164: umask: `u': invalid symbolic mode character
-./errors.tests: line 173: VAR: readonly variable
-./errors.tests: line 176: declare: VAR: readonly variable
-./errors.tests: line 177: declare: VAR: readonly variable
-./errors.tests: line 179: declare: unset: not found
-./errors.tests: line 182: VAR: readonly variable
+./errors.tests: line 196: umask: `p': invalid symbolic mode character
+./errors.tests: line 205: VAR: readonly variable
+./errors.tests: line 208: declare: VAR: readonly variable
+./errors.tests: line 209: declare: VAR: readonly variable
+./errors.tests: line 211: declare: unset: not found
+./errors.tests: line 214: VAR: readonly variable
 comsub: -c: line 1: syntax error near unexpected token `)'
 comsub: -c: line 1: `: $( for z in 1 2 3; do )'
 comsub: -c: line 1: syntax error near unexpected token `done'
 comsub: -c: line 1: `: $( for z in 1 2 3; done )'
-./errors.tests: line 189: cd: HOME not set
-./errors.tests: line 190: cd: /tmp/xyz.bash: No such file or directory
-./errors.tests: line 192: cd: OLDPWD not set
-./errors.tests: line 193: cd: /bin/sh: Not a directory
-./errors.tests: line 195: cd: /tmp/cd-notthere: No such file or directory
-./errors.tests: line 198: .: filename argument required
+./errors.tests: line 221: cd: HOME not set
+./errors.tests: line 222: cd: /tmp/xyz.bash: No such file or directory
+./errors.tests: line 224: cd: OLDPWD not set
+./errors.tests: line 225: cd: /bin/sh: Not a directory
+./errors.tests: line 227: cd: /tmp/cd-notthere: No such file or directory
+./errors.tests: line 229: cd: too many arguments
+bash: line 1: PWD: readonly variable
+1
+bash: line 1: OLDPWD: readonly variable
+1
+./errors.tests: line 236: .: filename argument required
 .: usage: . filename [arguments]
-./errors.tests: line 199: source: filename argument required
+./errors.tests: line 237: source: filename argument required
 source: usage: source filename [arguments]
-./errors.tests: line 202: .: -i: invalid option
+./errors.tests: line 240: .: -i: invalid option
 .: usage: . filename [arguments]
-./errors.tests: line 205: set: -q: invalid option
+./errors.tests: line 243: set: -q: invalid option
 set: usage: set [-abefhkmnptuvxBCEHPT] [-o option-name] [--] [-] [arg ...]
-./errors.tests: line 208: enable: sh: not a shell builtin
-./errors.tests: line 208: enable: bash: not a shell builtin
-./errors.tests: line 211: shopt: cannot set and unset shell options simultaneously
-./errors.tests: line 214: read: var: invalid timeout specification
-./errors.tests: line 217: read: `/bin/sh': not a valid identifier
-./errors.tests: line 220: VAR: readonly variable
-./errors.tests: line 223: readonly: -x: invalid option
+./errors.tests: line 246: enable: sh: not a shell builtin
+./errors.tests: line 246: enable: bash: not a shell builtin
+./errors.tests: line 249: shopt: cannot set and unset shell options simultaneously
+./errors.tests: line 252: read: -x: invalid option
+read: usage: read [-Eers] [-a array] [-d delim] [-i text] [-n nchars] [-N nchars] [-p prompt] [-t timeout] [-u fd] [name ...]
+./errors.tests: line 255: read: var: invalid timeout specification
+./errors.tests: line 258: read: `/bin/sh': not a valid identifier
+./errors.tests: line 259: read: `/bin/sh': not a valid identifier
+./errors.tests: line 260: read: `invalid-name': not a valid identifier
+./errors.tests: line 263: VAR: readonly variable
+./errors.tests: line 266: read: XX: invalid file descriptor specification
+./errors.tests: line 267: read: 42: invalid file descriptor: Bad file descriptor
+./errors.tests: line 270: mapfile: XX: invalid file descriptor specification
+./errors.tests: line 271: mapfile: 42: invalid file descriptor: Bad file descriptor
+./errors.tests: line 275: mapfile: empty array variable name
+./errors.tests: line 276: mapfile: `invalid-var': not a valid identifier
+./errors.tests: line 279: readonly: -x: invalid option
 readonly: usage: readonly [-aAf] [name[=value] ...] or readonly -p
-./errors.tests: line 226: eval: -i: invalid option
+./errors.tests: line 282: eval: -i: invalid option
 eval: usage: eval [arg ...]
-./errors.tests: line 227: command: -i: invalid option
+./errors.tests: line 283: command: -i: invalid option
 command: usage: command [-pVv] command [arg ...]
-./errors.tests: line 230: /bin/sh + 0: syntax error: operand expected (error token is "/bin/sh + 0")
-./errors.tests: line 231: /bin/sh + 0: syntax error: operand expected (error token is "/bin/sh + 0")
-./errors.tests: line 234: trap: NOSIG: invalid signal specification
-./errors.tests: line 237: trap: -s: invalid option
-trap: usage: trap [-lp] [[arg] signal_spec ...]
-./errors.tests: line 243: return: can only `return' from a function or sourced script
-./errors.tests: line 247: break: 0: loop count out of range
-./errors.tests: line 251: continue: 0: loop count out of range
-./errors.tests: line 256: builtin: bash: not a shell builtin
-./errors.tests: line 260: bg: no job control
-./errors.tests: line 261: fg: no job control
-./errors.tests: line 264: kill: -s: option requires an argument
-./errors.tests: line 266: kill: S: invalid signal specification
-./errors.tests: line 268: kill: `': not a pid or valid job spec
+./errors.tests: line 286: /bin/sh + 0: arithmetic syntax error: operand expected (error token is "/bin/sh + 0")
+./errors.tests: line 287: /bin/sh + 0: arithmetic syntax error: operand expected (error token is "/bin/sh + 0")
+./errors.tests: line 290: trap: NOSIG: invalid signal specification
+./errors.tests: line 293: trap: -s: invalid option
+trap: usage: trap [-Plp] [[action] signal_spec ...]
+./errors.tests: line 299: return: can only `return' from a function or sourced script
+./errors.tests: line 303: break: 0: loop count out of range
+./errors.tests: line 307: continue: 0: loop count out of range
+./errors.tests: line 312: builtin: -x: invalid option
+builtin: usage: builtin [shell-builtin [arg ...]]
+./errors.tests: line 315: builtin: bash: not a shell builtin
+./errors.tests: line 319: bg: no job control
+./errors.tests: line 320: fg: no job control
 kill: usage: kill [-s sigspec | -n signum | -sigspec] pid | jobspec ... or kill -l [sigspec]
-./errors.tests: line 273: set: trackall: invalid option name
-./errors.tests: line 277: xx: readonly variable
+./errors.tests: line 324: kill: -s: option requires an argument
+./errors.tests: line 326: kill: S: invalid signal specification
+./errors.tests: line 328: kill: `': not a pid or valid job spec
+kill: usage: kill [-s sigspec | -n signum | -sigspec] pid | jobspec ... or kill -l [sigspec]
+./errors.tests: line 332: kill: SIGBAD: invalid signal specification
+./errors.tests: line 334: kill: BAD: invalid signal specification
+./errors.tests: line 336: kill: @12: arguments must be process or job IDs
+./errors.tests: line 339: unset: BASH_LINENO: cannot unset
+./errors.tests: line 339: unset: BASH_SOURCE: cannot unset
+./errors.tests: line 342: set: trackall: invalid option name
+./errors.tests: line 343: set: -q: invalid option
+set: usage: set [-abefhkmnptuvxBCEHPT] [-o option-name] [--] [-] [arg ...]
+./errors.tests: line 344: set: -i: invalid option
+set: usage: set [-abefhkmnptuvxBCEHPT] [-o option-name] [--] [-] [arg ...]
+./errors.tests: line 348: xx: readonly variable
 1
 ./errors1.sub: line 14: .: -i: invalid option
 .: usage: . filename [arguments]
 ./errors1.sub: line 22: shift: -4: shift count out of range
+./errors1.sub: line 23: shift: -4: shift count out of range
 ./errors1.sub: line 27: break: -1: loop count out of range
+./errors1.sub: line 28: continue: -1: loop count out of range
+./errors1.sub: line 29: break: -5: loop count out of range
+./errors1.sub: line 30: continue: -5: loop count out of range
 after f
 ./errors2.sub: line 3: ${$NO_SUCH_VAR}: bad substitution
 1
@@ -115,7 +158,18 @@ TEST
 2
 ./errors4.sub: line 20: var: readonly variable
 after readonly assignment
-./errors4.sub: line 26: break: x: numeric argument required
+./errors4.sub: line 27: var: readonly variable
+./errors4.sub: line 31: f: readonly variable
+./errors4.sub: line 34: var: readonly variable
+1) 1
+2) 2
+3) 3
+#? ./errors4.sub: line 37: var: readonly variable
+1) 1
+2) 2
+3) 3
+#? ./errors4.sub: line 40: var: readonly variable
+./errors4.sub: line 45: break: x: numeric argument required
 1
 2
 ./errors4.sub: line 20: var: readonly variable
@@ -177,6 +231,7 @@ after non-special builtin: 0
 after special builtin: 0
 ./errors7.sub: line 27: x: readonly variable
 ./errors7.sub: line 29: x: readonly variable
+./errors7.sub: line 32: v: readonly variable
 ./errors7.sub: line 21: x: readonly variable
 after no such command: 1
 ./errors7.sub: line 23: x: readonly variable
@@ -184,6 +239,7 @@ after non-special builtin: 1
 ./errors7.sub: line 25: x: readonly variable
 ./errors7.sub: line 27: x: readonly variable
 ./errors7.sub: line 29: x: readonly variable
+./errors7.sub: line 32: v: readonly variable
 ./errors8.sub: eval: line 7: syntax error: unexpected end of file
 ok 1
 ./errors8.sub: line 8: v: readonly variable
@@ -196,13 +252,90 @@ ok 4
 ok 5
 ./errors8.sub: line 14: set: notanoption: invalid option name
 ok 6
+./errors8.sub: line 16: /notthere: No such file or directory
+ok 7
+./errors8.sub: line 17: .: -x: invalid option
+.: usage: . filename [arguments]
+ok 8
 DEBUG
-./errors9.sub: line 6: [[: ++: syntax error: operand expected (error token is "+")
+./errors9.sub: line 6: [[: ++: arithmetic syntax error: operand expected (error token is "+")
 DEBUG
-./errors9.sub: line 8: ((: -- : syntax error: operand expected (error token is "- ")
+./errors9.sub: line 8: ((: -- : arithmetic syntax error: operand expected (error token is "- ")
 DEBUG
-./errors9.sub: line 10: ((: -- : syntax error: operand expected (error token is "- ")
+./errors9.sub: line 10: ((: -- : arithmetic syntax error: operand expected (error token is "- ")
+invalid numeric argument
+bash: line 1: exit: abcde: numeric argument required
+after exit: 2
+bash: line 1: break: abcde: numeric argument required
+bash: line 1: continue: abcde: numeric argument required
+bash: line 1: shift: abcde: numeric argument required
+after shift: 2
+bash: line 1: return: abcde: numeric argument required
+after return: 2
+bash: line 1: exit: abcde: numeric argument required
+bash: line 1: break: abcde: numeric argument required
+bash: line 1: continue: abcde: numeric argument required
+bash: line 1: shift: abcde: numeric argument required
+bash: line 1: return: abcde: numeric argument required
+./errors10.sub: line 38: history: abcde: numeric argument required
+after history: 2
+./errors10.sub: line 40: history: too many arguments
+after history: 2
+too many arguments
+errors: line 3: exit: too many arguments
+after exit: 2
+errors: line 3: return: too many arguments
+after return: 2
+errors: line 3: shift: too many arguments
+after shift: 2
+errors: line 3: break: too many arguments
+after break: 2
+errors: line 3: continue: too many arguments
+after continue: 2
+errors: line 3: exit: too many arguments
+after exit: 2
+errors: line 3: return: too many arguments
+after return: 2
+errors: line 3: shift: too many arguments
+after shift: 2
+errors: line 3: break: too many arguments
+after break: 2
+errors: line 3: continue: too many arguments
+after continue: 2
+bash: line 1: readonly: `non-identifier': not a valid identifier
+after: 1
+bash: line 1: export: `non-identifier': not a valid identifier
+after: 1
+bash: line 1: readonly: `non-identifier': not a valid identifier
+bash: line 1: readonly: `invalid+ident': not a valid identifier
+after: 1
+bash: line 1: export: `non-identifier': not a valid identifier
+bash: line 1: export: `invalid+ident': not a valid identifier
+after: 1
+sh: line 1: readonly: `non-identifier': not a valid identifier
+sh: line 1: export: `non-identifier': not a valid identifier
+sh: line 1: readonly: `non-identifier': not a valid identifier
+sh: line 1: export: `non-identifier': not a valid identifier
+bash: line 1: readonly: `non-identifier': not a valid identifier
+command: 1
+bash: line 1: export: `non-identifier': not a valid identifier
+command: 1
+sh: line 1: readonly: `non-identifier': not a valid identifier
+command: 1
+sh: line 1: export: `non-identifier': not a valid identifier
+command: 1
+bash: line 1: export: `AA[4]': not a valid identifier
+array: 1
+bash: line 1: readonly: `AA[4]': not a valid identifier
+array: 1
+sh: line 1: export: `AA[4]': not a valid identifier
+sh: line 1: readonly: `AA[4]': not a valid identifier
 bash: line 1: return: can only `return' from a function or sourced script
 after return
 bash: line 1: return: can only `return' from a function or sourced script
-./errors.tests: line 305: `!!': not a valid identifier
+sh: line 1: unset: a: cannot unset: readonly variable
+sh: line 1: unset: `a-b': not a valid identifier
+sh: line 1: /nosuchfile: No such file or directory
+sh: line 1: trap: SIGNOSIG: invalid signal specification
+after trap
+./errors.tests: line 393: `!!': not a valid identifier
@@ -24,6 +24,7 @@ set +e
 set +o posix

 # various alias/unalias errors
+unalias

 # at some point, this may mean to `export' an alias, like ksh, but
 # for now it is an error
@@ -33,7 +34,33 @@ alias hoowah
 unalias hoowah

 # the iteration variable must be a valid identifier
-for 1 in a b c; do echo $1; done
+for 1 in a b c
+do
+	echo $1
+done
+for f\1 in a b c ; do echo $f ; done
+
+# in posix mode, it's a fatal error
+(set -o posix
+for invalid-name in a b c; do echo $1; done; echo after posix for)
+(set -o posix
+for f\1 in a b c ; do echo $f ; done; echo after posix for 2)
+
+# same with select
+select 1 in a b c; do echo $REPLY; done
+select f\1 in a b c ; do echo $REPLY ; done
+select invalid-name in a b c; do echo $REPLY; done
+
+(set -o posix ; select 1 in a b c; do echo $REPLY; done; echo after posix select)
+(set -o posix ; select f\1 in a b c ; do echo $REPLY ; done ; echo after posix select 2)
+
+# even in functions
+bad-select()
+{
+        select $1 in a b c ; do echo $REPLY ; done
+}
+bad-select 'a b'
+unset -f bad-select

 # try to rebind a read-only function
 func()
@@ -85,6 +112,9 @@ declare -f func='() { echo "this is func"; }'
 # bad option to exec -- this should not exit the script
 exec -i /bin/sh

+# trying to exec non-executable file is a fatal error
+( exec ./errors1.sub 2>/dev/null ; echo after failed exec )
+
 # try to export -f something that is not a function -- this should be
 # an error, not create an `invisible function'
 export -f XPATH
@@ -119,14 +149,13 @@ hash notthere
 # bad option to hash, although it may mean `verbose' at some future point
 hash -v

+# hash -d requires an argument
+hash -d
+
 # turn off hashing, then try to hash something
 set +o hashall
 hash -p ${THIS_SH} ${THIS_SH##*/}

-# bad identifiers to declare/readonly/export
-export AA[4]
-readonly AA[4]
-
 declare -a AA
 unset AA[-2]

@@ -146,10 +175,13 @@ AA=(one two three)
 shopt -s shift_verbose
 shift $(( $# + 5 ))
 shift -2
+shift -- $(( $# + 5 ))
+shift -- -2

 # bad shell options
 shopt -s no_such_option
 shopt no_such_option
+shopt -s -o no_such_option

 # non-octal digits for umask and other errors
 umask 09
@@ -161,7 +193,7 @@ umask -i

 # bad assignments shouldn't change the umask
 mask=$(umask)
-umask g=u
+umask g=p
 mask2=$(umask)
 if [ "$mask" != "$mask2" ]; then
 	echo "umask errors change process umask"
@@ -193,6 +225,12 @@ cd -
 cd /bin/sh	# error - not a directory
 OLDPWD=/tmp/cd-notthere
 cd -
+# too many arguments
+cd one two three
+# cd doesn't like it if PWD is readonly
+${THIS_SH} -c 'readonly PWD ; cd / ; echo $?' bash
+# or if OLDPWD is readonly
+${THIS_SH} -c 'readonly OLDPWD ; cd / ; echo $?' bash

 # various `source/.' errors
 .
@@ -210,15 +248,33 @@ enable sh bash
 # try to set and unset shell options simultaneously
 shopt -s -u checkhash

+# error
+read -x
+
 # this is an error -- bad timeout spec
 read -t var < /dev/null

 # try to read into an invalid identifier
 read /bin/sh < /dev/null
+read A /bin/sh < /dev/null
+read -a invalid-name < /dev/null

 # try to read into a readonly variable
 read VAR < /dev/null

+# invalid file descriptor
+read -u XX < /dev/null
+read -u 42 < /dev/null
+
+# same with mapfile
+mapfile -u XX A < /dev/null
+mapfile -u 42 A < /dev/null
+unset -v A
+
+# invalid identifier arguments to mapfile
+mapfile '' </dev/null
+mapfile invalid-var < /dev/null
+
 # bad option to readonly/export
 readonly -x foo

@@ -252,6 +308,9 @@ for z in 1 2 3; do
 	echo $x
 done

+# invalid option
+builtin -x
+
 # builtin with non-builtin
 builtin bash

@@ -261,6 +320,7 @@ bg
 fg

 # argument required
+kill
 kill -s
 # bad argument
 kill -S
@@ -268,9 +328,20 @@ kill -S
 kill -INT ''
 # argument required
 kill -INT
+# bad signal specification
+kill -l SIGBAD
+# bad signal specification
+kill -l BAD
+# bad process specification
+kill -HUP @12
+
+# cannot unset non-unsettable variables
+unset -v BASH_LINENO BASH_SOURCE

 # bad shell option names
 set -o trackall		# bash is not ksh
+set -q			# this is an error
+set -i			# this is not allowed

 # problem with versions through bash-4.2
 readonly xx=5
@@ -294,9 +365,26 @@ ${THIS_SH} -o posix ./errors7.sub
 ${THIS_SH} ./errors8.sub
 ${THIS_SH} ./errors9.sub

+# invalid numeric arguments and too many arguments
+${THIS_SH} ./errors10.sub
+
+# invalid identifiers to readonly/export
+${THIS_SH} ./errors11.sub
+
 ${THIS_SH} -c 'return ; echo after return' bash
 ${THIS_SH} -o posix -c 'return ; echo after return' bash

+# various posix-mode special builtin fatal (or not) errors
+
+# posix says unsetting readonly variables is a fatal error
+${THIS_SH} -o posix -c 'readonly a=a ; unset -v a; echo after unset 1' sh
+# the same with non-identifiers
+${THIS_SH} -o posix -c 'unset -v a-b; echo after unset 2' sh
+# and sourcing a non-existent file is fatal too
+${THIS_SH} -o posix -c '. /nosuchfile ; echo after source' sh
+# but trap specifying a bad signal nunber is non-fatal
+${THIS_SH} -o posix -c 'trap "echo bad" SIGNOSIG; echo after trap' sh
+
 # this must be last!
 # in posix mode, a function name must be a valid identifier
 # this can't go in posix2.tests, since it causes the shell to exit
@@ -20,13 +20,14 @@ f()

 set -- a b c
 shift -4
+shift -- -4

 f

-for f in 1 2 3; do
-	break -1
-done
-
+for f in 1 2 3; do break -1; done
+for f in 1 2 3; do continue -1; done
+for f in 1 2 3; do break -- -5; done
+for f in 1 2 3; do continue -- -5; done

 f()
 {
@@ -23,6 +23,22 @@ for num in 1 2 3 4 5; do
 done 
 echo after readonly assignment

+# can't have the variable in a for command be readonly
+for var in 1 2 3 4 5; do echo $var; done
+
+# but in posix mode these are fatal errors
+(set -o posix
+for f in 1 2 3 4; do readonly f; done ; echo after for readonly assignment)
+
+(set -o posix
+for var in 1 2 3 4; do echo $var; done; echo after posix for readonly variable)
+
+# same with select 
+select var in 1 2 3; do echo $REPLY; done <<<1
+
+(set -o posix
+select var in 1 2 3; do echo $REPLY; done <<<1 ; echo after posix select readonly variable)
+
 # non-numeric arguments to break are fatal errors for all non-interactive shells
 for f in 1 2 3 4 5
 do
@@ -28,3 +28,6 @@ echo after special builtin: $? )
 echo after assignment error: $? )
 ( x=8
 echo after assignment statement error: $? )
+
+( readonly v; : ${v:=val}
+  echo variable assignment error )
@@ -12,3 +12,6 @@ command shift 12 || echo ok 4

 command return 16 || echo ok 5
 command set -o notanoption || echo ok 6
+
+command . /notthere || echo ok 7
+command . -x true || echo ok 8
@@ -5,17 +5,22 @@ after exec1.sub with args: 0

 after exec1.sub without args: 0
 after exec1.sub: one two three
-./execscript: line 21: notthere: command not found
+./execscript: line 37: notthere: command not found
 127
+we would do something here with notthere
 /tmp/bash: notthere: No such file or directory
 127
 /bin/sh: /bin/sh: cannot execute binary file
 126
-./execscript: line 40: /: Is a directory
+./execscript: line 64: /: Is a directory
 126
 /: /: Is a directory
 126
-./execscript: line 47: .: /: is a directory
+bash: line 1: exec: .: cannot execute: Is a directory
+posix-bash: line 1: exec: .: cannot execute: Is a directory
+bash: line 1: exec: .: cannot execute: Is a directory
+posix-bash: line 1: exec: .: cannot execute: Is a directory
+./execscript: line 79: .: /: is a directory
 1
 126
 0
@@ -31,11 +36,17 @@ trap -- '' SIGTERM
 trap -- 'echo USR1' SIGUSR1
 USR1
 EXIT
-./execscript: line 71: notthere: No such file or directory
+./execscript: line 103: notthere: command not found
 127
-./execscript: line 74: notthere: No such file or directory
+./execscript: line 105: notthere: command not found
 127
-./execscript: line 77: notthere: command not found
+./execscript: line 107: notthere: command not found
+127
+./execscript: line 113: notthere: command not found
+127
+./execscript: line 115: notthere: command not found
+127
+./execscript: line 117: notthere: command not found
 127
 this is sh
 this is sh
@@ -59,6 +70,13 @@ this is ohio-state
 1
 0
 1
+1 hi 1
+2 hi 0
+!
+!
+0
+1
+0
 testb
 expand_aliases 	on
 1
@@ -170,3 +188,33 @@ w
 x
 y
 z
+Darwin
+x
+archive
+install
+s
+sub1
+sub2
+test
+68
+archive
+install
+s
+sub1
+sub2
+test
+44
+archive
+install
+s
+sub1
+sub2
+test
+86
+2
+78
+1 start
+2 start
+sub3
+1 done
+42
@@ -65,3 +65,19 @@ echo $?
 echo $?

 rm -f /tmp/notwrite
+
+!; echo 1 hi $?
+!& echo 2 hi $?
+
+(echo !)
+#echo !(echo c)
+echo !>/dev/null
+echo !</dev/null
+
+! &
+echo $?
+!
+echo $?
+
+{ time & } 2>/dev/null
+echo $?
@@ -1,3 +1,16 @@
+#   This program is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
 export LC_ALL=C
 export LANG=C

@@ -5,6 +18,9 @@ if [ $UID -eq 0 ]; then
        echo "execscript: the test suite should not be run as root" >&2
 fi

+# this should succeed silently
+$cmd &
+
 set -- one two three
 echo before exec1.sub: "$@"
 echo calling exec1.sub
@@ -21,6 +37,14 @@ export PATH
 notthere
 echo $?

+# now let's set up a command-not-found hook
+command_not_found_handle()
+{
+        echo we would do something here with $1
+}
+notthere a b c
+unset -f command_not_found_handle
+
 # this is iffy, since the error messages may vary from system to system
 # and /tmp might not exist
 ln -s ${THIS_SH} /tmp/bash 2>/dev/null
@@ -43,6 +67,14 @@ echo $?
 ${THIS_SH} /
 echo $?

+# trying to exec a directory is a fatal error
+${THIS_SH} -c 'exec . ; default: after exec directory' bash
+POSIXLY_CORRECT=1 ${THIS_SH} -c 'exec . ; posix: after exec directory' posix-bash
+
+# even if preceded by `command'
+${THIS_SH} -c 'command exec . ; default: after command exec directory 2' bash
+POSIXLY_CORRECT=1 ${THIS_SH} -c 'command exec . ; posix: after command exec directory 2' posix-bash
+
 # try sourcing a directory
 . /
 echo $?
@@ -65,15 +97,23 @@ ${THIS_SH} ./exec3.sub
 rm -f $TMPDIR/bashenv
 unset BASH_ENV

+# these results should be the same as with an empty PATH
+PATH=.
+
+notthere
+echo $?
+command notthere
+echo $?
+command -p notthere
+echo $?
+
 # we're resetting the $PATH to empty, so this should be last
 PATH=

 notthere
 echo $?
-
 command notthere
 echo $?
-
 command -p notthere
 echo $?

@@ -158,3 +198,6 @@ $THIS_SH -c '/bin/echo c && /bin/echo d && echo e'

 ${THIS_SH} ./exec13.sub
 ${THIS_SH} ./exec14.sub
+
+# problems with fork optimization in bash-5.2
+${THIS_SH} ./exec15.sub
@@ -88,6 +88,8 @@ argv[1] = <abc>
 argv[1] = <abc>
 argv[1] = <posix>
 argv[1] = <10>
+argv[1] = <5>
+argv[1] = <5>
 argv[1] = <file.o>
 argv[1] = <posix>
 argv[1] = </src/cmd>
@@ -164,6 +166,20 @@ argv[2] = <^?>
 argv[1] = <^A^?>
 argv[1] = <^A^?^A^?>
 argv[1] = <^A^A^?>
+argv[1] = <\^A>
+argv[1] = <^A>
+argv[1] = <\^A>
+argv[1] = <\^A>
+argv[1] = <^A>
+argv[1] = <^A>
+argv[1] = <^A^A>
+argv[1] = <^A^A>
+argv[1] = <\^A>
+argv[1] = <\^A>
+argv[1] = <\^A^?>
+argv[1] = <\^A^?>
+argv[1] = <^\^A ^\^?>
+argv[1] = <^A ^_>
 0.net
 0.net0

@@ -236,7 +252,7 @@ declare -- var="x\001y\177z"$
 argv[1] = <$'x\001y\177z'>
 argv[1] = <x^Ay^?z>
 var=$'x\001y\177z'
-./exp8.sub: line 30: xyz: syntax error: invalid arithmetic operator (error token is "z")
+./exp8.sub: line 30: xyz: arithmetic syntax error: invalid arithmetic operator (error token is "z")
 declare -a array=()
 declare -a array=([0]=$'x\001y\177z')
 argv[1] = <x^Ay^?z>
@@ -237,6 +237,15 @@ POSIX=/usr/posix
 expect '<10>'
 recho ${#POSIX}

+# this was a problem through bash-5.2 -- it would skip random numbers because
+# of multiple calls to find_variable
+RANDOM=42
+expect '<5>'
+recho ${#RANDOM}	# 17772
+declare -i RANDOM=42
+expect '<5>'
+recho ${#RANDOM}	# 17772
+
 # remove shortest trailing match
 x=file.c
 expect '<file.o>'
@@ -32,3 +32,23 @@ recho $FOO
 recho ''
 recho ''
 recho ''
+
+# tests of backslash-escaped CTLESC
+
+recho "${_+\}"
+recho ${_+\}
+recho "${_+\\}"
+recho ${_+\\}
+recho "${_+}"
+recho ${_+}
+recho "${_+}"
+recho ${_+}
+
+recho $'\\\1'
+recho "\\"
+
+recho "\\"
+recho \\
+
+recho $'\c\\\001 \c\\\177'
+recho $'\c \c'
@@ -5,7 +5,7 @@ exportfunc ok 2
 ./exportfunc.tests: line 43: cve7169-bad2: No such file or directory
 ./exportfunc1.sub: line 14: maximum here-document count exceeded
 ./exportfunc.tests: line 72: HELLO_WORLD: No such file or directory
-eval ok
+./exportfunc.tests: eval: line 83: unexpected EOF while looking for matching `}'
 ./exportfunc3.sub: line 23: export: foo=bar: cannot export
 status: 1
 equals-1
@@ -78,6 +78,7 @@ env -i BASH_FUNC_x%%='() { _; } >_[${ $() }] { id; }' ${THIS_SH} -c : 2>/dev/nul
 env BASH_FUNC_x%%=$'() { _;}>_[$($())]\n{ echo vuln;}' ${THIS_SH} -c : 2>/dev/null
 eval 'x() { _;}>_[$($())] { echo vuln;}' 2>/dev/null

+# this fails looking for closing `}' now that `${ ' has syntactic meaning
 eval 'foo() { _; } >_[${ $() }] ;{ echo eval ok; }'

 # other tests fixed in bash43-030 concerning function name transformation
@@ -182,3 +182,10 @@ no dotglob: .a .foo bar
 ? . .. .a .foo
 *
 bar
+extglob        	off
+x
+extglob        	off
+extglob        	off
+extglob        	off
+extglob        	off
+extglob        	off
@@ -379,6 +379,11 @@ shopt -u globstar
 # in the right place
 builtin cd "$MYDIR"

+# seg fault in bash-5.2
+foo=
+foo=${foo/#*([.])}
+unset foo
+
 ${THIS_SH} ./extglob1.sub
 ${THIS_SH} ./extglob1a.sub
 ${THIS_SH} ./extglob3.sub
@@ -386,5 +391,6 @@ ${THIS_SH} ./extglob4.sub
 ${THIS_SH} ./extglob5.sub
 ${THIS_SH} ./extglob6.sub
 ${THIS_SH} ./extglob7.sub
+${THIS_SH} ./extglob8.sub

 exit 0
@@ -166,4 +166,98 @@ after FUNCNEST unset: f = 201
 ./func4.sub: line 23: foo: maximum function nesting level exceeded (20)
 1
 after FUNCNEST assign: f = 38
+./func5.sub: line 31: `sys$read': not a valid identifier
+11111 () 
+{ 
+    printf "FUNCNAME: %s\n" $FUNCNAME
+}
+function a=2 () 
+{ 
+    printf "FUNCNAME: %s\n" $FUNCNAME
+}
+function 11111 () 
+{ 
+    printf "FUNCNAME: %s\n" $FUNCNAME
+}
+function a=2 () 
+{ 
+    printf "FUNCNAME: %s\n" $FUNCNAME
+}
+FUNCNAME: a=2
+<(:)
+<(:) is a function
+<(:) () 
+{ 
+    echo $FUNCNAME
+}
+posix mode:
+type
+break is a special shell builtin
+builtin
+command -v
+break
+command -V
+break is a special shell builtin
+type -a
+break is a special shell builtin
+break is a function
+break () 
+{ 
+    echo inside function $FUNCNAME
+}
+declare
+break () 
+{ 
+    echo inside function $FUNCNAME
+}
+execution
+default mode:
+type
+break is a function
+break () 
+{ 
+    echo inside function $FUNCNAME
+}
+function
+command -v
+break
+command -V
+break is a function
+break () 
+{ 
+    echo inside function $FUNCNAME
+}
+type -a
+break is a function
+break () 
+{ 
+    echo inside function $FUNCNAME
+}
+break is a shell builtin
+declare
+break () 
+{ 
+    echo inside function $FUNCNAME
+}
+execution
+inside function break
+./func5.sub: line 86: `break': is a special builtin
+./func5.sub: line 92: `!!': not a valid identifier
+!! is a function
+!! () 
+{ 
+    fc -s "$@"
+}
+!! is a function
+function !! () 
+{ 
+    fc -s "$@"
+}
 5
+rfunc () 
+{ 
+    local -;
+    local var;
+    local -p
+}
+declare -fr rfunc
@@ -166,6 +166,7 @@ export -f zf

 ${THIS_SH} -c 'type -t zf'
 ${THIS_SH} -c 'type zf'
+unset -f zf

 ${THIS_SH} ./func1.sub

@@ -179,6 +180,9 @@ ${THIS_SH} ./func3.sub
 # FUNCNEST testing
 ${THIS_SH} ./func4.sub

+# function naming restrictions
+${THIS_SH} ./func5.sub
+
 unset -f myfunction
 myfunction() {
    echo "bad shell function redirection"
@@ -195,4 +199,15 @@ segv()
 segv
 echo $?

+# functions can have attributes
+rfunc()
+{
+	local -
+	local var
+
+	local -p
+}
+readonly -f rfunc
+readonly -f
+
 exit 0
@@ -66,3 +66,5 @@ OPTARG = x = ?
 unset x = ?
 declare -r RO="foo"
 declare -r RO="foo"
+./getopts10.sub: line 33: V: readonly variable
+1
@@ -28,3 +28,9 @@ typeset -p RO

 getopts x x
 typeset -p RO
+
+readonly V
+getopts x V
+echo $?
+
+
@@ -125,6 +125,22 @@ a aa b bb
 .a .aa .b .bb a aa b bb
 .a .aa .b .bb
 . .. .a .aa .b .bb
+mailcheck.o make_cmd.o mksignames mksignames.o mksyntax mksyntax.dSYM
+
+mailcheck.o make_cmd.o mksignames mksignames.o mksyntax mksyntax.dSYM
+mksyntax.dSYM mksyntax mksignames.o mksignames make_cmd.o mailcheck.o
+
+mailcheck.o make_cmd.o mksignames mksignames.o mksyntax mksyntax.dSYM
+mailcheck.o make_cmd.o mksignames mksignames.o mksyntax mksyntax.dSYM
+
+mksyntax mksignames make_cmd.o mailcheck.o mksignames.o mksyntax.dSYM
+mksyntax.dSYM mksignames.o mailcheck.o make_cmd.o mksignames mksyntax
+
+mksyntax mksignames make_cmd.o mailcheck.o mksignames.o mksyntax.dSYM
+mksyntax.dSYM mksignames.o mailcheck.o make_cmd.o mksignames mksyntax
+
+mksyntax mksignames make_cmd.o mailcheck.o mksignames.o mksyntax.dSYM
+mksyntax.dSYM mksignames.o mailcheck.o make_cmd.o mksignames mksyntax
 argv[1] = <a>
 argv[2] = <abc>
 argv[3] = <abd>
@@ -139,7 +155,7 @@ argv[2] = <abc>
 argv[3] = <abd>
 argv[4] = <abe>
 tmp/l1 tmp/l2 tmp/*4 tmp/l3
-./glob.tests: line 66: no match: tmp/*4
+./glob.tests: line 67: no match: tmp/*4
 argv[1] = <bdir/>
 argv[1] = <*>
 argv[1] = <a*>
@@ -31,6 +31,7 @@ ${THIS_SH} ./glob7.sub
 ${THIS_SH} ./glob8.sub
 ${THIS_SH} ./glob9.sub
 ${THIS_SH} ./glob10.sub
+${THIS_SH} ./glob11.sub

 MYDIR=$PWD	# save where we are

@@ -15,7 +15,7 @@
 # test basic behavior of globskipdots
 TDIR=/tmp/dotglob-$$

-{ mkdir $TDIR && cd $TDIR; } || exit 1
+{ mkdir $TDIR && cd -L $TDIR; } || exit 1

 touch a b aa bb .a .b .aa .bb

@@ -14,10 +14,10 @@
 . ./test-glue-functions

 # this locale causes problems all over the place
-if locale -a | grep -i '^zh_HK\.big5hkscs' >/dev/null ; then
+if locale -a | grep -i '^zh_TW\.big5' >/dev/null ; then
        :
 else
-        echo "glob2.sub: warning: you do not have the zh_HK.big5hkscs locale installed;" >&2
+        echo "glob2.sub: warning: you do not have the zh_TW.big5 locale installed;" >&2
        echo "glob2.sub: warning: that will cause some of these tests to fail." >&2
 fi

@@ -41,7 +41,7 @@ esac
 [[ $var = $var ]] && echo ok 4
 [[ $var = $'ab\134' ]] && echo ok 5

-LC_ALL=zh_HK.big5hkscs
+LC_ALL=zh_TW.big5

 read a b c <<< $'\u3b1 b c\n'
 echo $b
@@ -62,4 +62,4 @@ printf "%s" "a${alpha}b" | LC_ALL=C od -b | _intl_normalize_spaces
 a=$'\u3b1'
 [[ $a = $a ]] && echo ok 6

-LC_ALL=zh_HK.big5hkscs ${THIS_SH} -c $'[[ \u3b1 = \u3b1 ]]' && echo ok 7
+LC_ALL=zh_TW.big5 ${THIS_SH} -c $'[[ \u3b1 = \u3b1 ]]' && echo ok 7
@@ -15,7 +15,7 @@

 TESTDIR=${TMPDIR}/glob-test-$$
 mkdir ${TESTDIR}
-cd $TESTDIR ||  {
+cd -L $TESTDIR ||  {
        echo "$TESTDIR: cannot cd" >&2
        exit 1
 }
@@ -17,14 +17,18 @@ hi\
 there
 EO\
 F
+line 1line 2
 hi
 hi
+nextEOF
 tab 1
 tab 2
 tab 3
 abc
 def ghi
 jkl mno
+echo "
+echo \"
 fff is a function
 fff () 
 { 
@@ -124,10 +128,41 @@ argv[3] = <ve>
 foo bar
 ./heredoc7.sub: line 21: after: command not found
 ./heredoc7.sub: line 29: warning: here-document at line 29 delimited by end-of-file (wanted `EOF')
-./heredoc7.sub: line 29: foobar: command not found
-./heredoc7.sub: line 30: EOF: command not found
+./heredoc7.sub: line 26: foobar: command not found
+./heredoc7.sub: line 27: EOF: command not found
 grep: *.c: No such file or directory
+foo () 
+{ 
+    echo begin;
+    if cat <<HERE
+contents
+HERE
+    then
+        echo 1 2;
+        echo 3 4;
+    fi
+}
+foo () 
+{ 
+    echo begin;
+    while read var <<HERE
+contents
+HERE
+    do
+        echo 1 2;
+        echo 3 4;
+    done
+}
+hello
+world
+hello
+world
+here-doc line 1
+here-doc line 2
+here-document
+here-document
 comsub here-string
-./heredoc.tests: line 156: warning: here-document at line 154 delimited by end-of-file (wanted `EOF')
+./heredoc.tests: line 184: warning: here-document at line 181 delimited by end-of-file (wanted `')
 hi
 there
+''
@@ -80,6 +80,12 @@ F
 EOF
 true

+# but unquoted here-documents remove backslash-newline
+cat <<EOF
+line 1\
+line 2
+EOF
+
 # check that \newline is removed at start of here-doc
 cat << EO\
 F
@@ -92,6 +98,12 @@ hi
 EO\
 F

+# backslash-newline processing is performed before the check for the delimiter
+cat <<EOF
+next\
+EOF
+EOF
+
 # check operation of tab removal in here documents
 cat <<- EOF
 	tab 1
@@ -100,16 +112,25 @@ cat <<- EOF
 	EOF

 # check appending of text to file from here document
-rm -f ${TMPDIR}/bash-zzz
-cat > ${TMPDIR}/bash-zzz << EOF
+rm -f ${TMPDIR}/bash-zzz-$$
+cat > ${TMPDIR}/bash-zzz-$$ << EOF
 abc
 EOF
-cat >> ${TMPDIR}/bash-zzz << EOF
+cat >> ${TMPDIR}/bash-zzz-$$ << EOF
 def ghi
 jkl mno
 EOF
-cat ${TMPDIR}/bash-zzz
-rm -f ${TMPDIR}/bash-zzz
+cat ${TMPDIR}/bash-zzz-$$
+rm -f ${TMPDIR}/bash-zzz-$$
+
+# check behavior of double quotes and backslashes in here-documents
+cat <<EOF
+echo "
+EOF
+
+cat <<EOF
+echo \"
+EOF

 # make sure command printing puts the here-document as the last redirection
 # on the line, and the function export code preserves syntactic correctness
@@ -142,7 +163,13 @@ ${THIS_SH} ./heredoc6.sub

 # interaction between here-documents and command substitutions
 ${THIS_SH} ./heredoc7.sub
+${THIS_SH} ./heredoc8.sub

+# various tests for printing here-documents in function bodies
+${THIS_SH} ./heredoc9.sub
+
+# test various combinations of here-documents and aliases
+${THIS_SH} ./heredoc10.sub

 echo $(
 	cat <<< "comsub here-string"
@@ -151,6 +178,7 @@ echo $(
 # check that end of file delimits a here-document
 # THIS MUST BE LAST!

-cat << EOF
+cat <<''
 hi
 there
+''
@@ -148,6 +148,10 @@ echo four ; echo two
 \!
 \!
 \!
+1 hi 1
+2 hi 0
+!
+!
 a
 b
 c
@@ -34,3 +34,11 @@ echo "\!"

 echo "$( echo '\!' )"
 echo '\!'
+
+# more stop characters post-bash-5.2
+!; echo 1 hi $?
+!& echo 2 hi $?
+
+(echo !)
+echo !>/dev/null
+echo !</dev/null
@@ -97,7 +97,7 @@ line 2 for history
 6	 HISTFILE=$TMPDIR/newhistory
 7	 echo displaying \$HISTFILE after history -a
 8	 cat $HISTFILE
-./history.tests: line 90: fc: no command found
+./history.tests: line 91: fc: no command found
   15  echo line 2 for history
   16  unset HISTSIZE
   17  unset HISTFILE
@@ -107,7 +107,7 @@ echo xx xb xc
 xx xb xc
 echo 44 48 4c
 44 48 4c
-./history.tests: line 105: fc: no command found
+./history.tests: line 106: fc: no command found
 aa
 bb
 cc
@@ -140,9 +140,11 @@ three
 one
 two
 three
-5.2
+(exit 42)
+42
+5.3
 echo ${BASH_VERSION%\.*}
-5.2
+5.3
 	 echo ${BASH_VERSION%\.*}
 a
 b
@@ -178,6 +180,8 @@ i
    4  echo g
    5  echo h

+./history3.sub: line 48: history: @42: invalid number
+./history3.sub: line 49: history: @42: numeric argument required

 0
 1
@@ -264,6 +268,22 @@ out of range 3
 12	 echo out of range 3
 out of range 4
 13	 fc -l 1 99
+a
+b
+c
+# out of range specs aren't errors
+echo a
+a
+d
+e
+1	 echo a
+2	 echo b
+3	 echo c
+4	 # out of range specs aren't errors
+5	 # out of range specs aren't errors
+6	 echo a
+7	 echo d
+8	 echo e
 1
 2
 3
@@ -297,3 +317,58 @@ out of range 4
    7  echo 9
    8  echo 10
    5  echo 10
+$ 1
+$ 2
+$ 3
+$ exit
+6
+$ 1
+$ 2
+$ 3
+$ 4
+$ 5
+$ exit
+6
+$ 1
+$ 2
+$ exit
+4
+$ e 1
+$ e 2
+$ e 3
+$ exit
+3
+e 1
+e 2
+e 3
+$ x 1
+$ x 2
+$ x 3
+$ x 4
+$ x 5
+$ exit
+3
+x 3
+x 4
+x 5
+$ y 1
+$ y 2
+$ exit
+2
+y 1
+y 2
+$ 1
+$ 2
+$ exit
+0
+a
+b
+c
+d
+    1  echo a
+    2  echo c
+    3  echo d
+    4  history -d 2
+    5  history
+./history8.sub: line 15: history: 72: history position out of range
+./history8.sub: line 16: history: -72: history position out of range
@@ -50,6 +50,7 @@ history -s "echo line for history"
 history

 history -p '!!'
+history -p	# this succeeds silently

 fc -nl

@@ -131,3 +132,5 @@ ${THIS_SH} ./history3.sub
 ${THIS_SH} ./history4.sub
 ${THIS_SH} ./history5.sub
 ${THIS_SH} ./history6.sub
+${THIS_SH} ./history7.sub
+${THIS_SH} ./history8.sub
@@ -26,3 +26,8 @@ three

 history
 fc -s cat
+
+# try re-executing a failed command, check the exit status
+(exit 42)
+fc -s -1
+echo $?
@@ -45,5 +45,8 @@ history -d 5-0xaf

 history ; echo

+history -d @42
+history @42
+
 unset HISTFILE
 exit 0
@@ -54,4 +54,20 @@ fc -l 1 99
 echo out of range 4
 fc -l -20 -40

+HISTSIZE=10
+history -c
+
+echo a
+echo b
+echo c
+
+# out of range specs aren't errors
+fc -e - 48
+fc -s -- -42
+
+echo d
+echo e
+
+fc -l
+
 unset HISTFILE	# suppress writing history file
@@ -21,7 +21,7 @@ aéb
 bytematch
 0000000 254 012
 0000002
-Passed all 1378 Unicode tests
+Passed all 1770 Unicode tests
 0000000 303 277 012
 0000003
 0000000 303 277 012
@@ -55,3 +55,13 @@ Passed all 1378 Unicode tests
 $'5\247@3\231+\306S8\237\242\352\263'
 + : $'5\247@3\231+\306S8\237\242\352\263'
 + set +x
+ಇಳಿಕೆಗಳು
+ಇಳ
+ಇ
+ಇಳ
+  ಇಳ
+ಇಳ  ---
+ಇ
+ಇ
+   ಇ
+ಇ   ---
@@ -66,3 +66,5 @@ ${THIS_SH} ./unicode1.sub # 2>/dev/null
 ${THIS_SH} ./unicode2.sub

 ${THIS_SH} ./unicode3.sub 2>&1
+
+${THIS_SH} ./intl4.sub
@@ -33,17 +33,20 @@ i killed it
 2: ok 3
 127
 ./jobs5.sub: line 71: declare: wpid: not found
+./jobs5.sub: line 74: wait: `invalid-varname': not a valid identifier
+./jobs5.sub: line 76: wait: WV: cannot unset: readonly variable
 child1 exit status 0
 [1]+ Running sleep 20 &
 ./jobs7.sub: line 5: fg: no current jobs
 [1]+ Running sleep 20 &
+got USR1
 0
-./jobs.tests: line 40: wait: %1: no such job
-./jobs.tests: line 45: fg: no job control
+./jobs.tests: line 45: wait: %1: no such job
+./jobs.tests: line 50: fg: no job control
 wait-for-pid
 wait-errors
-./jobs.tests: line 58: wait: `1-1': not a pid or valid job spec
-./jobs.tests: line 59: wait: `-4': not a pid or valid job spec
+./jobs.tests: line 70: wait: `1-1': not a pid or valid job spec
+./jobs.tests: line 71: wait: `-4': not a pid or valid job spec
 wait-for-background-pids
 async list wait-for-background-pids
 async list wait for child
@@ -52,7 +55,7 @@ wait-when-no-children
 posix jobs output
 [1]+  Done                    sleep 1
 wait-for-job
-./jobs.tests: line 84: wait: %2: no such job
+./jobs.tests: line 96: wait: %2: no such job
 127
 async list wait-for-job
 forked
@@ -65,19 +68,20 @@ sleep 2
 fg-bg 4
 sleep 2
 fg-bg 5
-./jobs.tests: line 111: fg: %2: no such job
-./jobs.tests: line 112: bg: job 1 already in background
+./jobs.tests: line 123: fg: %2: no such job
+./jobs.tests: line 124: bg: job 1 already in background
 fg-bg 6
-./jobs.tests: line 119: fg: -s: invalid option
+./jobs.tests: line 131: fg: -s: invalid option
 fg: usage: fg [job_spec]
-./jobs.tests: line 120: bg: -s: invalid option
+./jobs.tests: line 132: bg: -s: invalid option
 bg: usage: bg [job_spec ...]
-./jobs.tests: line 125: disown: -s: invalid option
+./jobs.tests: line 137: disown: -s: invalid option
 disown: usage: disown [-h] [-ar] [jobspec ... | pid ...]
-./jobs.tests: line 129: disown: %1: no such job
-./jobs.tests: line 132: disown: %2: no such job
+./jobs.tests: line 141: disown: %1: no such job
+./jobs.tests: line 144: disown: %2: no such job
+./jobs.tests: line 147: disown: @12: no such job
 wait-for-non-child
-./jobs.tests: line 135: wait: pid 1 is not a child of this shell
+./jobs.tests: line 150: wait: pid 1 is not a child of this shell
 127
 3 -- 1 2 3 -- 1 - 2 - 3
 [1]   Running                 sleep 300 &
@@ -87,8 +91,8 @@ running jobs:
 [1]   Running                 sleep 300 &
 [2]-  Running                 sleep 350 &
 [3]+  Running                 sleep 400 &
-./jobs.tests: line 152: kill: %4: no such job
-./jobs.tests: line 154: jobs: %4: no such job
+./jobs.tests: line 167: kill: %4: no such job
+./jobs.tests: line 169: jobs: %4: no such job
 current job:
 [3]+  Running                 sleep 400 &
 previous job:
@@ -118,3 +122,9 @@ done
 after KILL -STOP, foregrounding %1
 sleep 4
 done
+./jobs.tests: line 229: jobs: -q: invalid option
+jobs: usage: jobs [-lnprs] [jobspec ...] or jobs -x command [args]
+./jobs.tests: line 231: suspend: -z: invalid option
+suspend: usage: suspend [-f]
+./jobs.tests: line 232: suspend: cannot suspend: no job control
+./jobs.tests: line 233: suspend: cannot suspend: no job control
@@ -32,6 +32,11 @@ ${THIS_SH} ./jobs5.sub
 ${THIS_SH} ./jobs6.sub

 ${THIS_SH} ./jobs7.sub
+# more disown -h tests
+${THIS_SH} ./jobs8.sub
+
+# wait interrupted by signal for which a trap has been set
+${THIS_SH} ./jobs9.sub

 jobs
 echo $?
@@ -40,16 +45,23 @@ echo $?
 wait %1

 # make sure we can't fg a job started when job control was not active
-sleep 30 &
+sleep 20 &
 pid=$!
 fg %1
 # make sure the killed processes don't cause a message
 exec 5>&2
 exec 2>/dev/null
-kill -n 9 $pid
-wait    # make sure we reap the processes while stderr is still redirected
-exec 2>&5
+kill -n9 $pid
+wait $pid   # make sure we reap the processes while stderr is still redirected

+sleep 30 &
+pid2=$!
+kill -sHUP $pid2
+wait $pid2
+exec 2>&5
+unset -v pid pid2
+
+# 
 echo wait-for-pid
 sleep 4 &
 wait $!
@@ -131,6 +143,9 @@ disown %1
 # this, however, is an error
 disown %2

+# this is definitely an error
+disown -h @12
+
 echo wait-for-non-child
 wait 1
 echo $?
@@ -205,5 +220,14 @@ kill -STOP %1
 sleep 2	# give time for the shell to get the stop notification
 echo after KILL -STOP, foregrounding %1
 fg %1
-
 echo done
+
+# these are all errors
+
+set +m
+
+jobs -q
+
+suspend -z
+suspend
+suspend --
@@ -69,3 +69,8 @@ echo $wpid $?
 jobs
 wait -p wpid
 declare -p wpid
+
+# let's check errors like with other builtins that take variable names
+wait -p invalid-varname
+readonly WV
+wait -p WV
@@ -7,6 +7,7 @@ last = c
 1 -- 0 0 1
 1 -- 0 0 1
 1 -- 0 1 0
+1 42
 lastpipe1.sub returns 14
 A1
 A2
@@ -65,6 +65,9 @@ echo $? -- ${PIPESTATUS[@]}

 true | binfalse | true
 echo $? -- ${PIPESTATUS[@]}
+
+binfalse | true | true | VAR=42
+echo $? $VAR
 set +o pipefail

 ${THIS_SH} ./lastpipe1.sub
@@ -190,7 +190,7 @@ argv[1] = <0>
 ./more-exp.tests: line 442: ${#=}: bad substitution
 ./more-exp.tests: line 444: ${#+}: bad substitution
 ./more-exp.tests: line 446: ${#1xyz}: bad substitution
-./more-exp.tests: line 449: #: %: syntax error: operand expected (error token is "%")
+./more-exp.tests: line 449: #: %: arithmetic syntax error: operand expected (error token is "%")
 argv[1] = <0>
 argv[1] = <a+b>
 argv[1] = <+>
@@ -92,6 +92,10 @@ expect <one>
 one
 expect <four>
 four
+expect <X>
+X
+expect <X>
+X
 errors = 0
 1
 2
@@ -123,17 +127,17 @@ bar
 unset
 ./nameref8.sub: line 16: typeset: warning: v: circular name reference
 ./nameref8.sub: line 16: warning: v: circular name reference
-./nameref8.sub: line 18: warning: v: circular name reference
+./nameref8.sub: line 18: warning: v: maximum nameref depth (8) exceeded
 inside
 inside: two
 outside:
 ./nameref8.sub: line 42: typeset: warning: x: circular name reference
 ./nameref8.sub: line 42: warning: x: circular name reference
-./nameref8.sub: line 44: warning: x: circular name reference
+./nameref8.sub: line 44: warning: x: maximum nameref depth (8) exceeded
 foo
 ./nameref8.sub: line 51: typeset: warning: v: circular name reference
 ./nameref8.sub: line 51: warning: v: circular name reference
-./nameref8.sub: line 51: warning: v: circular name reference
+./nameref8.sub: line 51: warning: v: maximum nameref depth (8) exceeded
 local
 ./nameref8.sub: line 60: typeset: v: nameref variable self references not allowed
 ./nameref8.sub: line 67: warning: x: circular name reference
@@ -302,7 +306,7 @@ declare -n ref="var"
 declare -a a=([0]="0")
 ./nameref15.sub: line 14: local: warning: a: circular name reference
 ./nameref15.sub: line 14: warning: a: circular name reference
-./nameref15.sub: line 14: warning: a: circular name reference
+./nameref15.sub: line 14: warning: a: maximum nameref depth (8) exceeded
 declare -a a=([0]="X")
 declare -a b=([0]="X")
 ./nameref15.sub: line 14: local: warning: a: circular name reference
@@ -311,14 +315,14 @@ declare -a b=([0]="X")
 declare -a b=([0]="0")
 ./nameref15.sub: line 32: typeset: warning: ref: circular name reference
 ./nameref15.sub: line 32: warning: ref: circular name reference
-./nameref15.sub: line 33: warning: ref: circular name reference
+./nameref15.sub: line 33: warning: ref: maximum nameref depth (8) exceeded
 ./nameref15.sub: line 34: warning: ref: circular name reference
 inside X
 outside X
 before: 7
 ./nameref15.sub: line 45: typeset: warning: xxx: circular name reference
 ./nameref15.sub: line 45: warning: xxx: circular name reference
-./nameref15.sub: line 46: warning: xxx: circular name reference
+./nameref15.sub: line 46: warning: xxx: maximum nameref depth (8) exceeded
 declare -n xxx="xxx"
 ./nameref15.sub: line 48: warning: xxx: circular name reference
 xxx_func: inside: xxx = foo
@@ -529,17 +533,18 @@ declare -a array=([0]="zero")
 declare -a array=([0]="one" [1]="two" [2]="three")
 declare -ai a=([0]="5")
 declare -ai a=([0]="6")
+declare -ai a=([0]="42")
 declare -ai a=([0]="1")
-./nameref23.sub: line 15: declare: b: not found
+./nameref23.sub: line 16: declare: b: not found
 declare -ai a=([0]="1")
 declare -- b="1"
 declare -ai a=([0]="1")
 declare -- b="11"
 declare -ai a=([0]="1")
 declare -- b="110"
-./nameref23.sub: line 25: declare: `1': invalid variable name for name reference
+./nameref23.sub: line 26: declare: `1': invalid variable name for name reference
 declare -ai a=([0]="1")
-./nameref23.sub: line 27: declare: b: not found
+./nameref23.sub: line 28: declare: b: not found
 declare -ai a=([0]="4")
 declare -in b="a[0]"
 declare -ai a=([0]="6")
@@ -558,3 +563,14 @@ declare -ai a=([0]="0" [1]="16")
 12
 16
 declare -ai a=([0]="0" [1]="16")
+./nameref24.sub: line 24: declare: `': not a valid identifier
+./nameref24.sub: line 25: declare: `a&b': invalid variable name for name reference
+3
+3
+0
+0
+0
+./nameref24.sub: line 38: declare: `aa&bb': invalid variable name for name reference
+3
+3
+5
@@ -5,6 +5,7 @@ declare -n b='a[0]'
 b+=1 ; declare -p a

 declare b+=1 ; declare -p a
+declare b=42 ; declare -p a

 unset a b
 unset -n b
@@ -228,6 +228,20 @@ echo "expect <four>"
 echo $qux
 ckval qux ${bar[3]}

+bar=()
+declare -n ref='bar[1]'
+
+echo "expect <X>"
+echo ${ref=X}
+ckval ref ${bar[1]}
+
+unset -n ref
+declare -n ref
+
+echo "expect <X>"
+echo ${ref=X}
+ckval ref ${ref}
+
 # Need to add code and tests for `for' loop nameref variables

 echo errors = $errors
@@ -3,7 +3,7 @@ argv[1] = <foo>
 argv[1] = </usr/homes/chet>
 argv[1] = </usr/homes/chet>
 argv[1] = </usr/homes/chet>
-./new-exp.tests: line 41: HOME: }: syntax error: operand expected (error token is "}")
+./new-exp.tests: line 41: HOME: }: arithmetic syntax error: operand expected (error token is "}")
 unset
 argv[1] = </usr/homes/chet>
 argv[1] = </usr/homes/chet>
@@ -59,6 +59,7 @@ argv[1] = <4>
 argv[1] = <op>
 argv[1] = <abcdefghijklmnop>
 argv[1] = <abcdefghijklmnop>
+./new-exp.tests: line 189: bad-var: invalid variable name
 argv[1] = <a>
 argv[2] = <b>
 argv[3] = <c>
@@ -66,8 +67,8 @@ argv[4] = <d>
 argv[1] = <a>
 argv[2] = <b c>
 argv[3] = <d>
-./new-exp.tests: line 197: ABX: unbound variable
-./new-exp.tests: line 201: $6: cannot assign in this way
+./new-exp.tests: line 202: ABX: unbound variable
+./new-exp.tests: line 206: $6: cannot assign in this way
 argv[1] = <xxcde>
 argv[1] = <axxde>
 argv[1] = <abxyz>
@@ -176,7 +177,7 @@ a
 ./new-exp2.sub: line 62: 1111111111111111111111: command not found

 argv[1] = <6>
-./new-exp.tests: line 302: ${#:}: bad substitution
+./new-exp.tests: line 307: ${#:}: bad substitution
 argv[1] = <'>
 argv[1] = <">
 argv[1] = <"hello">
@@ -411,13 +412,13 @@ argv[6] = <w>
 argv[7] = <x>
 argv[8] = <y>
 argv[9] = <z>
-./new-exp.tests: line 520: $9: unbound variable
-./new-exp.tests: line 521: 9: unbound variable
-./new-exp.tests: line 522: UNSET: unbound variable
-./new-exp.tests: line 523: UNSET: unbound variable
-./new-exp.tests: line 524: UNSET: unbound variable
-./new-exp.tests: line 525: UNSET: unbound variable
-./new-exp.tests: line 526: UNSET: unbound variable
+./new-exp.tests: line 525: $9: unbound variable
+./new-exp.tests: line 526: 9: unbound variable
+./new-exp.tests: line 527: UNSET: unbound variable
+./new-exp.tests: line 528: UNSET: unbound variable
+./new-exp.tests: line 529: UNSET: unbound variable
+./new-exp.tests: line 530: UNSET: unbound variable
+./new-exp.tests: line 531: UNSET: unbound variable
 argv[1] = <5>
 argv[1] = <#>
 argv[1] = <#>
@@ -464,7 +465,7 @@ Case05---3---A:B:C---
 Case06---1---A B C::---
 Case07---3---A:B:C---
 Case08---3---A:B:C---
-./new-exp.tests: line 546: ${$(($#-1))}: bad substitution
+./new-exp.tests: line 551: ${$(($#-1))}: bad substitution
 argv[1] = <a>
 argv[2] = <b>
 argv[3] = <c>
@@ -481,8 +482,8 @@ argv[1] = <a>
 argv[1] = <a>
 argv[2] = <b>
 argv[1] = <>
-./new-exp.tests: line 565: $(($# - 2)): substring expression < 0
-./new-exp.tests: line 567: -2: substring expression < 0
+./new-exp.tests: line 570: $(($# - 2)): substring expression < 0
+./new-exp.tests: line 572: -2: substring expression < 0
 argv[1] = <bin>
 argv[2] = <bin>
 argv[3] = <ucb>
@@ -625,13 +626,13 @@ bash: line 1: ${x@C}: bad substitution
 <'ab cd'> 
 <'4'> <'ab cd'> 
 <> 
-argv[1] = <host(2)[5.2]$ >
 < 	
 >
 <' \t\n'>
 < 	
 >
 <$' \t\n'>
+$'\001\001'
 declare -r x='ab '\''cd'\'' ef'
 set -- 'ab' 'cd ef' '' 'gh' 
 declare -a A=([0]="ab" [1]="cd ef" [2]="" [3]="gh") 
@@ -648,7 +649,15 @@ i
 declare -i foo
 A
 declare -A foo
-./new-exp10.sub: line 118: ${V@}: bad substitution
+LOWER
+Lower
+argv[1] = <host(2)[5.3]$ >
+argv[1] = <~$ >
+argv[1] = <^A[0]~$ >
+argv[1] = <^A^G^B[0:1]~\$ >
+argv[1] = </ bash$ >
+argv[1] = <1^J/ bash$ >
+./new-exp10.sub: line 153: ${V@}: bad substitution
 abcxxxdef
 abcÃ¥def
 ḅć
@@ -184,6 +184,11 @@ recho ${a-$z}
 expect nothing
 recho ${!1-$z}

+expect an error
+v=bad-var
+echo ${!v}
+unset -v v
+
 set -- a 'b c' d
 unset foo
 foo=@
@@ -42,13 +42,6 @@ printf "<%s> " "${z@Q}"	; echo	# empty string?

 recho ${z@Q}		# this disappears

-#
-HOST=host
-SHELL_LEVEL=2
-NPS1='\[\]${HOST}($SHELL_LEVEL)[\v]\$ '
-
-recho "${NPS1@P}"
-
 #
 D=' \t\n'
 printf "<%s>" "${D@E}" ; echo
@@ -58,6 +51,10 @@ E=$' \t\n'
 printf "<%s>" "${E@E}" ; echo
 printf "<%s>" "${E@Q}" ; echo

+v=$'\1\1'
+printf '%q\n' "${v@E}"
+unset -v v
+
 declare x
 declare -r x="ab 'cd' ef"
 printf "%s" "${x@A}" ; echo 
@@ -114,5 +111,43 @@ echo ${foo@a}

 declare -p foo

+unset -v foo
+foo=lower
+echo ${foo@U}
+echo ${foo@u}
+
+# framework for testing prompt expansions using @P transformation
+cd /tmp
+
+HOST=host
+SHELL_LEVEL=2
+HOME=$PWD
+
+NPS1='\[\]${HOST}($SHELL_LEVEL)[\v]\$ '
+recho "${NPS1@P}"
+
+NPS1='\[\]\W\$\040'
+recho "${NPS1@P}"
+
+NPS1='\[\001\][\j]\w\$\040'
+recho "${NPS1@P}"
+
+NPS1='\[\a\][\j:\!]\w\\\$\040'
+set -o emacs
+recho "${NPS1@P}"
+set +o emacs
+
+cd /
+# no longer abbreviate as ~
+NPS1='\W \s\$\040'
+recho "${NPS1@P}"
+
+set -o posix
+NPS1='!\n\W \s\$\040'
+recho "${NPS1@P}"
+
+cd $OLDPWD
+
+# this must be last, fatal error
 V=42
 echo ${V@}	# error
@@ -1,3 +1,4 @@
+bash: -c: line 1: unexpected EOF while looking for matching `)'
 AAA
 bash5: line 1: `invalid-name': not a valid identifier
 in
@@ -1,5 +1,15 @@
 # catch-all for parsing problems that don't fit anywhere else

+# word_top issues in bash-5.2
+case x in x) if ((1)); then :; fi ;; esac
+case x in x) if ((1)); then :; fi esac
+
+case x in x) if ((true ) ); then :; fi ;; esac
+case x in x) if ((true ) ); then :; fi esac
+
+# problem with bash-5.2
+${THIS_SH} -c '((X=([))]' bash
+
 # this has to be in a separate file to get desired EOF behavior
 ${THIS_SH} ./parser1.sub

@@ -39,3 +39,7 @@ a
 real 0.00
 user 0.00
 sys 0.00
+real 0.00
+user 0.00
+sys 0.00
+4
@@ -54,3 +54,10 @@ echo $?
 echo $?

 time -p -- echo a
+
+time -- :
+
+# this should print timing information
+. ./test-glue-functions
+
+${THIS_SH} -c '{ time; echo after; }' |& wc -l | _cut_leading_spaces
@@ -1,5 +1,10 @@
 printf: usage: printf [-v var] format [arguments]
 printf: usage: printf [-v var] format [arguments]
+./printf.tests: line 26: printf: -x: invalid option
+printf: usage: printf [-v var] format [arguments]
+./printf.tests: line 29: printf: `invalid-var': not a valid identifier
+abc
+./printf.tests: line 30: printf: `invalid-var': not a valid identifier
 10
 	one
 one\ctwo
@@ -13,6 +18,11 @@ unquoted
 unquoted quoted
 unquoted    quoted
 this\&that
+echo a\\;ls
+echo a\'\;ls
+echo 'a'\''b'\;ls
+\*
+\*
 1 2 3 4 5 
 onestring 0 0 0
 onestring 0 0 0.00
@@ -30,7 +40,7 @@ A7
 --\"abcd\"--
 --\'abcd\'--
 --a\x--
-./printf.tests: line 95: printf: missing hex digit for \x
+./printf.tests: line 115: printf: missing hex digit for \x
 --\x--
 ----
 ----
@@ -91,12 +101,12 @@ A7
 26
 26
 26
-./printf.tests: line 219: printf: `%10': missing format character
-./printf.tests: line 220: printf: `M': invalid format character
-ab./printf.tests: line 223: printf: `y': invalid format character
-./printf.tests: line 226: printf: GNU: invalid number
+./printf.tests: line 239: printf: `%10': missing format character
+./printf.tests: line 240: printf: `M': invalid format character
+ab./printf.tests: line 243: printf: `y': invalid format character
+./printf.tests: line 246: printf: GNU: invalid number
 0
-./printf.tests: line 227: printf: GNU: invalid number
+./printf.tests: line 247: printf: GNU: invalid number
 0
 -
 (foo )(bar )
@@ -149,6 +159,16 @@ b
 xx
 xx
 <   ><   >
+0
+^@
+0
+0.00
+''
+''
+./printf.tests: line 364: printf: 9223372036854775825: Result too large
+9223372036854775807
+./printf.tests: line 365: printf: -9223372036854775815: Result too large
+-9223372036854775808
 	one
 one\ctwo
 4\.2
@@ -161,6 +181,8 @@ unquoted
 unquoted quoted
 unquoted    quoted
 this\&that
+'no-quotes-needed'
+'quotes;needed'
 1 2 3 4 5 
 onestring 0 0 0
 onestring 0 0 0.00
@@ -174,7 +196,7 @@ A7
 --\"abcd\"--
 --\'abcd\'--
 --a\x--
-./printf1.sub: line 107: printf: missing hex digit for \x
+./printf1.sub: line 111: printf: missing hex digit for \x
 --\x--
 ----
 ----
@@ -235,12 +257,12 @@ A7
 26
 26
 26
-./printf1.sub: line 293: printf: `%10': missing format character
-./printf1.sub: line 294: printf: `M': invalid format character
-./printf1.sub: line 297: printf: `y': invalid format character
-./printf1.sub: line 300: printf: GNU: invalid number
+./printf1.sub: line 297: printf: `%10': missing format character
+./printf1.sub: line 298: printf: `M': invalid format character
+./printf1.sub: line 301: printf: `y': invalid format character
+./printf1.sub: line 304: printf: GNU: invalid number
 0
-./printf1.sub: line 302: printf: GNU: invalid number
+./printf1.sub: line 306: printf: GNU: invalid number
 0
 -
 (foo )(bar )
@@ -296,3 +318,88 @@ x      +123x
 x      +123x
 x      +123x
 x      +123x
+abcd
+ab
+ 123
+  123
+ 173
+  7b
+  7B
+  hello
+ hello
+ 123
+ 6
+123 --
+123  --
+173 --
+7b  --
+7B  --
+hello  --
+hello --
+123 --
+6 --
+0000000 000                                                            
+0000001
+0000000 000                                                            
+0000001
+0000000 340 262 207 340 262 263 340 262 277 340 262 225 340 263 206 340
+0000010 262 227 340 262 263 340 263 201 012                            
+0000019
+0000000 340 262 207 340 262 263 012                                    
+0000007
+0000000 340 262 207 012                                                
+0000004
+0000000 340 262 207 340 262 263 012                                    
+0000007
+0000000 040 040 340 262 207 340 262 263 012                            
+0000009
+0000000 340 262 207 340 262 263 040 040 055 055 055 012                
+000000c
+0000000 340 262 207 012                                                
+0000004
+0000000 340 262 207 012                                                
+0000004
+0000000 340 262 207 012                                                
+0000004
+0000000 340 262 207 012                                                
+0000004
+0000000 040 040 040 340 262 207 012                                    
+0000007
+0000000 340 262 207 040 040 040 055 055 055 012                        
+000000a
+[][]
+./printf7.sub: line 19: printf: 21474836470: Result too large
+[]
+./printf7.sub: line 20: printf: 21474836470: Result too large
+[X]
+./printf7.sub: line 22: printf: 21474836470: Result too large
+VAR=[]
+./printf7.sub: line 25: printf: 21474836470: Result too large
+VAR=[X]
+./printf7.sub: line 31: printf: 9223372036854775825: Result too large
+[]
+./printf7.sub: line 32: printf: 9223372036854775825: Result too large
+[X]
+./printf7.sub: line 34: printf: 9223372036854775825: Result too large
+VAR=[]
+./printf7.sub: line 37: printf: 9223372036854775825: Result too large
+VAR=[X]
+./printf7.sub: line 43: printf: 21474836470: Result too large
+[]
+./printf7.sub: line 44: printf: 21474836470: Result too large
+[X]
+./printf7.sub: line 46: printf: 21474836470: Result too large
+VAR=[]
+./printf7.sub: line 49: printf: 21474836470: Result too large
+VAR=[X]
+./printf7.sub: line 55: printf: 9223372036854775825: Result too large
+[]
+./printf7.sub: line 56: printf: 9223372036854775825: Result too large
+[X]
+./printf7.sub: line 58: printf: 9223372036854775825: Result too large
+VAR=[]
+./printf7.sub: line 61: printf: 9223372036854775825: Result too large
+VAR=[X]
+XY
+./printf7.sub: line 71: printf: 9223372036854775825: Result too large
+XY
@@ -22,6 +22,13 @@ printf --
 printf ""
 printf -- ""

+# this is an error
+printf -x
+
+# these are errors
+printf -v invalid-var 'abc\n'
+printf '%s\n%n' abc invalid-var
+
 # in the future this may mean to put the output into VAR, but for
 # now it is an error
 # 2005-03-15 no longer an error
@@ -60,6 +67,19 @@ printf "%s%10q\n" unquoted quoted

 printf "%q\n" 'this&that'

+# %Q is like %q but treats the precision differently
+S="a'b"
+S1="${S@Q}"
+T=';ls'
+
+printf 'echo %.2q%q\n' "$S" "$T"
+printf 'echo %.2Q%Q\n' "$S" "$T"	# note the difference
+# a different way to do it
+printf 'echo %.*s%q\n' ${#S1} "$S1" "$T"
+
+printf '%.1Q\n' '**'
+printf '%.*Q\n' 1 '**'
+
 # make sure the format string is reused to use up arguments
 printf "%d " 1 2 3 4 5; printf "\n"

@@ -324,11 +344,32 @@ printf -v var "%b" @(hugo); echo "x${var}x"
 # make sure that missing arguments are always handled like the empty string
 printf "<%3s><%3b>\n"

+# other format specifiers with missing arguments
+# 0
+printf '%d\n'
+# null char
+printf '%c\n'
+
+printf '%x\n'
+printf '%4.2f\n'
+
+printf '%b'
+printf '%q\n'
+printf '%Q\n'
+
+# let's test some out-of-range integer errors for POSIX-specified behavior
+TOOBIG=9223372036854775825
+TOOSMALL=-9223372036854775815
+
+printf '%d\n' "$TOOBIG"
+printf '%d\n' "$TOOSMALL"
+
 # tests variable assignment with -v
 ${THIS_SH} ./printf1.sub
-
 ${THIS_SH} ./printf2.sub
-
 ${THIS_SH} ./printf3.sub
-
 ${THIS_SH} ./printf4.sub
+${THIS_SH} ./printf5.sub
+# multibyte characters with %ls/%S and %lc/%C
+${THIS_SH} ./printf6.sub
+${THIS_SH} ./printf7.sub
@@ -60,6 +60,10 @@ printf "%s"  "$vv"
 printf -v vv "%q\n" 'this&that'
 printf "%s"  "$vv"

+# altform with %q will force single-quoting
+printf -v vv '%#q\n' no-quotes-needed 'quotes;needed'
+printf "%s"  "$vv"
+
 # make sure the format string is reused to use up arguments
 printf -v vv "%d " 1 2 3 4 5
 printf "%s"  "$vv"
@@ -158,7 +162,7 @@ printf "%s"  "$vv"
 printf -v vv "%*b\n" 6 4.4BSD
 printf "%s"  "$vv"

-# we handle this crap with homemade code in printf -v vv.def
+# we handle this crap with homemade code in printf
 printf -v vv "%10b\n" 4.4BSD
 printf "%s"  "$vv"
 printf -v vv -- "--%-10b--\n" 4.4BSD
@@ -224,7 +228,7 @@ printf "%s"  "$vv"
 printf -v vv "%6.2g\n" 4.2
 printf "%s"  "$vv"

-# test some of the more esoteric features of POSIX.1 printf -v vv
+# test some of the more esoteric features of POSIX.1 printf
 printf -v vv "%d\n" "'string'"
 printf "%s"  "$vv"
 printf -v vv "%d\n" '"string"'
@@ -293,7 +297,7 @@ printf "%s"  "$vv"
 printf -v vv "%10"
 printf -v vv "ab%Mcd\n"

-# this caused an infinite loop in older versions of printf -v vv
+# this caused an infinite loop in older versions of printf
 printf -v vv "%y" 0

 # these should print a warning and `0', according to POSIX.2
@@ -72,6 +72,8 @@ string \
 string \
 string \
 string \}
+escape\
+escape\
 'weferfds'\''dsfsdf' 
 'weferfdsdsfsdf'
 'weferfds'\''dsfsdf'
@@ -133,6 +133,13 @@ echo ${foo:-'string \'}
 echo "${foo:-string \\}"
 echo ${foo:-string \\\}}

+: ${TMPDIR:=/tmp}
+
+${THIS_SH} -c 'echo escape\'
+printf 'echo escape\' > $TMPDIR/quote-$$
+${THIS_SH} $TMPDIR/quote-$$
+rm -f $TMPDIR/quote-$$
+
 ${THIS_SH} ./quote1.sub
 ${THIS_SH} ./quote2.sub
 ${THIS_SH} ./quote3.sub
@@ -1,9 +1,9 @@
 declare -A assoc=(["x],b[\$(echo uname >&2)"]="1" )
 declare -A assoc=(["\$key"]="1" ["x],b[\$(echo uname >&2)"]="1" )
 declare -A assoc=(["\$key"]="1" ["x],b[\$(echo uname >&2)"]="2" )
-./quotearray.tests: line 31: ((: 'assoc[x\],b\[\$(echo uname >&2)]++' : syntax error: operand expected (error token is "'assoc[x\],b\[\$(echo uname >&2)]++' ")
+./quotearray.tests: line 31: ((: 'assoc[x\],b\[\$(echo uname >&2)]++' : arithmetic syntax error: operand expected (error token is "'assoc[x\],b\[\$(echo uname >&2)]++' ")
 declare -A assoc=(["\$key"]="1" ["x],b[\$(echo uname >&2)"]="2" )
-./quotearray.tests: line 34: ((: 'assoc[x\],b\[\$(echo uname >&2)]'++ : syntax error: operand expected (error token is "'assoc[x\],b\[\$(echo uname >&2)]'++ ")
+./quotearray.tests: line 34: ((: 'assoc[x\],b\[\$(echo uname >&2)]'++ : arithmetic syntax error: operand expected (error token is "'assoc[x\],b\[\$(echo uname >&2)]'++ ")
 declare -A assoc=(["\$key"]="1" ["x],b[\$(echo uname >&2)"]="2" )
 declare -A assoc=(["\$key"]="1" ["x],b[\$(echo uname >&2)"]="3" )
 4
@@ -24,14 +24,14 @@ declare -a a=([0]="12" [1]="42")
 declare -Ai assoc=(["']"]="3" ["\$var"]="1" )
 105
 declare -A assoc=(["\` echo >&2 foo\`"]="42" ["\$( echo >&2 bar)"]="63" )
-./quotearray.tests: line 140: x],b[$(echo uname >&2): syntax error: invalid arithmetic operator (error token is "],b[$(echo uname >&2)")
-./quotearray.tests: line 144: x],b[$(echo uname >&2): syntax error: invalid arithmetic operator (error token is "],b[$(echo uname >&2)")
+./quotearray.tests: line 140: x],b[$(echo uname >&2): arithmetic syntax error: invalid arithmetic operator (error token is "],b[$(echo uname >&2)")
+./quotearray.tests: line 144: x],b[$(echo uname >&2): arithmetic syntax error: invalid arithmetic operator (error token is "],b[$(echo uname >&2)")
 1
-./quotearray.tests: line 147: x],b[$(echo uname >&2): syntax error: invalid arithmetic operator (error token is "],b[$(echo uname >&2)")
+./quotearray.tests: line 147: x],b[$(echo uname >&2): arithmetic syntax error: invalid arithmetic operator (error token is "],b[$(echo uname >&2)")
 1
-./quotearray.tests: line 150: x],b[$(echo uname >&2): syntax error: invalid arithmetic operator (error token is "],b[$(echo uname >&2)")
+./quotearray.tests: line 150: x],b[$(echo uname >&2): arithmetic syntax error: invalid arithmetic operator (error token is "],b[$(echo uname >&2)")
 1
-./quotearray.tests: line 153: x],b[$(echo uname >&2): syntax error: invalid arithmetic operator (error token is "],b[$(echo uname >&2)")
+./quotearray.tests: line 153: x],b[$(echo uname >&2): arithmetic syntax error: invalid arithmetic operator (error token is "],b[$(echo uname >&2)")
 1
 declare -A assoc
 0
@@ -44,7 +44,7 @@ declare -A assoc=(["\` echo >&2 foo\`"]="128" [0]="0" ["]"]="12" ["x],b[\$(echo
 foo
 0
 0
-./quotearray1.sub: line 68: 0\],b\[1: syntax error: invalid arithmetic operator (error token is "\],b\[1")
+./quotearray1.sub: line 68: 0\],b\[1: arithmetic syntax error: invalid arithmetic operator (error token is "\],b\[1")
 declare -a array
 0
 0
@@ -9,6 +9,8 @@ a.
 -\ a  b\-
 -\-a  b\-
 -\ a  b\-
+argv[1] = <abc>
+argv[1] = <abc\>
 argv[1] = <^A>
 argv[1] = <^A>
 argv[1] = <^?>
@@ -29,6 +31,8 @@ argv[1] = < foo>
 argv[1] = <foo>
 argv[1] = <foo>
 argv[1] = < foo>
+./read.tests: line 101: b: readonly variable
+a = a b = c = stat = 2
 a = abcdefg
 xyz
 a = xyz
@@ -43,6 +47,7 @@ unset or null 3
 ./read2.sub: line 45: read: -3: invalid timeout specification
 1

+abcde
 abcde
 abcde
 ./read3.sub: line 17: read: -1: invalid number
@@ -51,6 +56,7 @@ defg
 ab
 abc
 #
+0
 while read -u 3 var
 do
 echo "$var"
@@ -83,3 +89,6 @@ one
 two three four
 one
 two three four
+IFS=[,] var=[abc] rest=[def,ghi]
+IFS=[] var=[abc] rest=[def,ghi]
+IFS=[ ] var=[  abc] rest=[def,ghi ]
@@ -26,6 +26,10 @@ echo "\ a  b\ " | ( read -r x ; echo -"$x"- )
 echo " \ a  b\ " | ( read -r x y ; echo -"$x"-"$y"- )
 echo " \ a  b\ " | ( read -r x ; echo -"$x"- )

+# input ending in backslash
+printf 'abc\' | { read var ; recho "$var"; }
+printf 'abc\' | { read -r var ; recho "$var"; }
+
 # make sure that CTLESC and CTLNUL are passed through correctly
 echo $'\001' | ( read var ; recho "$var" )
 echo $'\001' | ( read ; recho "$REPLY" )
@@ -92,6 +96,15 @@ echo " foo" | { IFS=$' \t\n' ; read line; recho "$line"; }

 echo " foo" | { IFS=$':' ; read line; recho "$line"; }

+# this leaves `b' readonly
+readonly b
+read a b c <<EOF
+a b c
+EOF
+
+# the latest POSIX draft says $? should be > 1
+echo a = $a b = $b c = $c stat = $?
+
 # test read -d delim behavior
 ${THIS_SH} ./read1.sub

@@ -115,3 +128,9 @@ ${THIS_SH} ./read7.sub

 # test behavior of read -n and read -d on regular files
 ${THIS_SH} ./read8.sub
+
+# test behavior of trailing IFS whitespace - POSIX conformance
+${THIS_SH} ./read9.sub
+
+# test behavior of read builtin modifying $IFS
+${THIS_SH} ./read10.sub
--- a/Show More
+++ b/Show More