1:      1  1 CALL pred browse_arg.main/2-0 (det) browse_arg.m:13
mdb> echo on
Command echo enabled.
mdb> register --quiet
mdb> break p
 0: + stop  interface pred browse_arg.p/2-0 (det)
mdb> continue
       2:      2  2 CALL pred browse_arg.p/2-0 (det) browse_arg.m:23 (browse_arg.m:14)
mdb> finish
       3:      2  2 EXIT pred browse_arg.p/2-0 (det) browse_arg.m:23 (browse_arg.m:14)
mdb> format_param depth 10
mdb> dd -d 3 -n 7
p(1, baz(1, bar))
Valid? browse 2
browser> ls
baz(1, bar)
browser> quit
dd> format verbose
dd> print
p
1-1
2-baz
  1-1
  2-bar

Valid? format -B pretty
dd> p
p
1-1
2-baz
  1-1
  2-bar

Valid? format -P pretty
dd> p
p(1, baz(1, bar))
Valid? no
Found incorrect contour:
p(1, baz(1, bar))
Is this a bug? yes
       3:      2  2 EXIT pred browse_arg.p/2-0 (det) browse_arg.m:23 (browse_arg.m:14)
mdb> continue
baz(1, bar)