echo on
register --quiet
retry 1
print *
b data
continue
delete 0
print *

print *

print *

print *
print_optionals on
print *
print_optionals off
print *

print *

print *

print *
level 1
level -d 1
context nextline
level 1
level -d 1
context prevline
level 1
level -d 1
print *
up 1
vars
print *

print HeadVar__1
print HeadVar__2
print HeadVar__3
hold HeadVar__2^1 x
hold HeadVar__2^2 y
hold HeadVar__2 y
hold HeadVar__2 z
held_vars
print $x
print $y
print $z
diff $x $y
diff $y $z
diff -m 2 $y $z
diff -s 2 -m 2 $y $z
diff -s 4 -m 2 $y $z
diff $y $z^2

print *

print *

print *

print *

print *

goto -a 21
stack
stack -d
stack 3
stack -d 3
print *

retry
print *
finish -a
register --quiet
break print_list
break qdelete
break_print HeadVar__2^2
continue -a
break info
enable *
step -aS 5
disable 1
retry 4
break 46
continue -n
continue -n
continue -n
continue -n
continue -n
continue -n
return
continue -n
continue -n
forward
continue -n
continue -n
delete *
break main SWTC
break main EXIT
continue -n
retry
yes
delete 0
break safe
condition HeadVar__1 = [
condition HeadVar__1 = [a, c
condition HeadVar__1 = [f(a, b]
condition HeadVar__1 = [1,2, 5, 4, 3 ]
continue
print
retry 2
yes
disable 0
break nodiag SWTC
1
continue
print *
delete *
continue -n -S