1:      1  1 CALL pred field_names.main/2-0 (det) field_names.m:68
mdb> echo on
Command echo enabled.
mdb> register --quiet
mdb> context none
Contexts will not be printed.
mdb> step
       2:      2  2 CALL pred field_names.make_t1f1/5-0 (det)
mdb> finish
       3:      2  2 EXIT pred field_names.make_t1f1/5-0 (det)
mdb> p 5
       HeadVar__5             	t1f1(41, 42, 43, 44)
mdb> p 5^1x
mdb: bad component selector.
mdb> p 5^1^x
mdb: at 1^ the path x does not exist in variable 5.
mdb> p 5^x
mdb: the path x does not exist in variable 5.
mdb> p 5^1
       HeadVar__5^1           	41
mdb> p 5^2
       HeadVar__5^2           	42
mdb> p 5^3
       HeadVar__5^3           	43
mdb> p 5^4
       HeadVar__5^4           	44
mdb> p 5^t1a
       HeadVar__5^t1a         	41
mdb> p 5^t1b
       HeadVar__5^t1b         	42
mdb> p 5^t1c
mdb: the path t1c does not exist in variable 5.
mdb> p 5^t1d
       HeadVar__5^t1d         	44
mdb> p 5^t1e
mdb: the path t1e does not exist in variable 5.
mdb> browse 5
browser> ^1x
error: in subdir 1: there is no subterm x
browser> ^1
browser> p
41
browser> ^..^t1a
browser> p
41
browser> ^..^t1b
browser> p
42
browser> ^..^t1c
error: there is no subterm t1c
browser> ^..^t1d
browser> p
44
browser> ^..^t1e
error: there is no subterm t1e
browser> p
44
browser> quit
mdb> browse
browser> ^x
error: there is no subterm x
browser> ^8
error: there is no subterm 8
browser> ^5^x
error: in subdir 5: there is no subterm x
browser> quit
mdb> step
       4:      3  2 CALL pred field_names.make_t1f2/4-0 (det)
mdb> finish
       5:      3  2 EXIT pred field_names.make_t1f2/4-0 (det)
mdb> p 4
       HeadVar__4             	t1f2(51, 52, 53)
mdb> p 4^1
       HeadVar__4^1           	51
mdb> p 4^2
       HeadVar__4^2           	52
mdb> p 4^3
       HeadVar__4^3           	53
mdb> p 4^t1a
mdb: the path t1a does not exist in variable 4.
mdb> p 4^t1e
       HeadVar__4^t1e         	51
mdb> p 4^t1f
mdb: the path t1f does not exist in variable 4.
mdb> p 4^t1g
       HeadVar__4^t1g         	53
mdb> browse 4
browser> ^t1a
error: there is no subterm t1a
browser> ^t1e
browser> p
51
browser> ^..^t1f
error: there is no subterm t1f
browser> ^..^t1g
browser> p
53
browser> quit
mdb> step
       6:      4  2 CALL pred field_names.make_t2/5-0 (det)
mdb> finish
       7:      4  2 EXIT pred field_names.make_t2/5-0 (det)
mdb> p 5
       HeadVar__5             	t2f(0.6, 61, t1f1(41, 42, 43, 44), t1f2(51, 52, 53))
mdb> p 5^1
       HeadVar__5^1           	0.6
mdb> p 5^2
       HeadVar__5^2           	61
mdb> p 5^3
       HeadVar__5^3           	t1f1(41, 42, 43, 44)
mdb> p 5^3^t1a
       HeadVar__5^3^t1a       	41
mdb> p 5^3^t1b
       HeadVar__5^3^t1b       	42
mdb> p 5^3^t1c
mdb: at 3^ the path t1c does not exist in variable 5.
mdb> p 5^3^t1d
       HeadVar__5^3^t1d       	44
mdb> p 5^3^t1e
mdb: at 3^ the path t1e does not exist in variable 5.
mdb> p 5^4
       HeadVar__5^4           	t1f2(51, 52, 53)
mdb> p 5^4^t1a
mdb: at 4^ the path t1a does not exist in variable 5.
mdb> p 5^4^t1e
       HeadVar__5^4^t1e       	51
mdb> p 5^4^t1f
mdb: at 4^ the path t1f does not exist in variable 5.
mdb> p 5^4^t1g
       HeadVar__5^4^t1g       	53
mdb> p 5^t2a
       HeadVar__5^t2a         	0.6
mdb> p 5^t2b
       HeadVar__5^t2b         	t1f1(41, 42, 43, 44)
mdb> p 5^t2b^t1a
       HeadVar__5^t2b^t1a     	41
mdb> p 5^t2b^t1b
       HeadVar__5^t2b^t1b     	42
mdb> p 5^t2b^t1c
mdb: at t2b^ the path t1c does not exist in variable 5.
mdb> p 5^t2b^t1d
       HeadVar__5^t2b^t1d     	44
mdb> p 5^t2b^t1e
mdb: at t2b^ the path t1e does not exist in variable 5.
mdb> p 5^t2c
       HeadVar__5^t2c         	t1f2(51, 52, 53)
mdb> p 5^t2c^t1a
mdb: at t2c^ the path t1a does not exist in variable 5.
mdb> p 5^t2c^t1e
       HeadVar__5^t2c^t1e     	51
mdb> p 5^t2c^t1f
mdb: at t2c^ the path t1f does not exist in variable 5.
mdb> p 5^t2c^t1g
       HeadVar__5^t2c^t1g     	53
mdb> browse 5
browser> ^3^t1a
browser> p
41
browser> ^..^..^3^t1b
browser> p
42
browser> quit
mdb> browse 5
browser> ^t2b
browser> p
t1f1(41, 42, 43, 44)
browser> ^t1a
browser> p
41
browser> ^..^..^t2c^t1e
browser> p
51
browser> quit
mdb> step
       8:      5  2 CALL pred field_names.make_t3/4-0 (det)
mdb> finish
       9:      5  2 EXIT pred field_names.make_t3/4-0 (det)
mdb> p 4
       HeadVar__4             	t3f(t1f2(51, 52, 53), 72, "xyzzy", t1f1(41, 42, 43, 44))
mdb> p 4^1
       HeadVar__4^1           	t1f2(51, 52, 53)
mdb> p 4^1^1
       HeadVar__4^1^1         	51
mdb> p 4^1^t1a
mdb: at 1^ the path t1a does not exist in variable 4.
mdb> p 4^1^t1e
       HeadVar__4^1^t1e       	51
mdb> p 4^1^t1g
       HeadVar__4^1^t1g       	53
mdb> p 4^2
       HeadVar__4^2           	72
mdb> p 4^3
       HeadVar__4^3           	"xyzzy"
mdb> p 4^3^1
mdb: at 3^ the path 1 does not exist in variable 4.
mdb> p 4^3^t1a
mdb: at 3^ the path t1a does not exist in variable 4.
mdb> p 4^4
       HeadVar__4^4           	t1f1(41, 42, 43, 44)
mdb> p 4^4^t1a
       HeadVar__4^4^t1a       	41
mdb> p 4^4^t1b
       HeadVar__4^4^t1b       	42
mdb> p 4^4^t1c
mdb: at 4^ the path t1c does not exist in variable 4.
mdb> p 4^4^t1d
       HeadVar__4^4^t1d       	44
mdb> p 4^4^t1e
mdb: at 4^ the path t1e does not exist in variable 4.
mdb> p 4^t3a
       HeadVar__4^t3a         	t1f2(51, 52, 53)
mdb> p 4^t3a^1
       HeadVar__4^t3a^1       	51
mdb> p 4^t3a^t1a
mdb: at t3a^ the path t1a does not exist in variable 4.
mdb> p 4^t3a^t1e
       HeadVar__4^t3a^t1e     	51
mdb> p 4^t3a^t1g
       HeadVar__4^t3a^t1g     	53
mdb> p 4^t3b
       HeadVar__4^t3b         	72
mdb> p 4^t3c
       HeadVar__4^t3c         	"xyzzy"
mdb> p 4^t3d
       HeadVar__4^t3d         	t1f1(41, 42, 43, 44)
mdb> p 4^t3d^t1a
       HeadVar__4^t3d^t1a     	41
mdb> p 4^t3d^t1b
       HeadVar__4^t3d^t1b     	42
mdb> p 4^t3d^t1c
mdb: at t3d^ the path t1c does not exist in variable 4.
mdb> p 4^t3d^t1d
       HeadVar__4^t3d^t1d     	44
mdb> p 4^t3d^t1e
mdb: at t3d^ the path t1e does not exist in variable 4.
mdb> p 4^t3e^t1a
mdb: the path t3e^t1a does not exist in variable 4.
mdb> step
      10:      6  2 CALL pred field_names.make_t4/2-0 (det)
mdb> finish
      11:      6  2 EXIT pred field_names.make_t4/2-0 (det)
mdb> p 2
       A(1) (arg 2)           	t2f(0.6, 61, t1f1(41, 42, 43, 44), t1f2(51, 52, 53))
mdb> p 2^1
       A(1) (arg 2)^1         	0.6
mdb> p 2^2
       A(1) (arg 2)^2         	61
mdb> p 2^3^t1a
       A(1) (arg 2)^3^t1a     	41
mdb> p 2^3^t1b
       A(1) (arg 2)^3^t1b     	42
mdb> p 2^3^t1c
mdb: at 3^ the path t1c does not exist in variable 2.
mdb> p 2^3^t1d
       A(1) (arg 2)^3^t1d     	44
mdb> p 2^3^t1e
mdb: at 3^ the path t1e does not exist in variable 2.
mdb> p 2^4
       A(1) (arg 2)^4         	t1f2(51, 52, 53)
mdb> p 2^4^t1a
mdb: at 4^ the path t1a does not exist in variable 2.
mdb> p 2^4^t1e
       A(1) (arg 2)^4^t1e     	51
mdb> p 2^4^t1f
mdb: at 4^ the path t1f does not exist in variable 2.
mdb> p 2^4^t1g
       A(1) (arg 2)^4^t1g     	53
mdb> p 2^t2a
       A(1) (arg 2)^t2a       	0.6
mdb> p 2^t2b
       A(1) (arg 2)^t2b       	t1f1(41, 42, 43, 44)
mdb> p 2^t2b^t1a
       A(1) (arg 2)^t2b^t1a   	41
mdb> p 2^t2b^t1b
       A(1) (arg 2)^t2b^t1b   	42
mdb> p 2^t2b^t1c
mdb: at t2b^ the path t1c does not exist in variable 2.
mdb> p 2^t2b^t1d
       A(1) (arg 2)^t2b^t1d   	44
mdb> p 2^t2b^t1e
mdb: at t2b^ the path t1e does not exist in variable 2.
mdb> p 2^t2c
       A(1) (arg 2)^t2c       	t1f2(51, 52, 53)
mdb> p 2^t2c^t1a
mdb: at t2c^ the path t1a does not exist in variable 2.
mdb> p 2^t2c^t1e
       A(1) (arg 2)^t2c^t1e   	51
mdb> p 2^t2c^t1f
mdb: at t2c^ the path t1f does not exist in variable 2.
mdb> p 2^t2c^t1g
       A(1) (arg 2)^t2c^t1g   	53
mdb> step
      12:      7  2 CALL pred field_names.make_t5/2-0 (det)
mdb> finish
      13:      7  2 EXIT pred field_names.make_t5/2-0 (det)
mdb> p 2
       HeadVar__2             	t5f(t1f1(41, 42, 43, 44))
mdb> p 2/1
       HeadVar__2^1           	t1f1(41, 42, 43, 44)
mdb> p 2/1/1
       HeadVar__2/1/1         	41
mdb> p 2/1/t1a
       HeadVar__2/1/t1a       	41
mdb> p 2/t5a
       HeadVar__2^t5a         	t1f1(41, 42, 43, 44)
mdb> p 2/t5a/1
       HeadVar__2/t5a/1       	41
mdb> p 2/t5a/t1a
       HeadVar__2/t5a/t1a     	41
mdb> p 2/t6a
mdb: the path t6a does not exist in variable 2.
mdb> step
      14:      8  2 CALL pred field_names.make_t6/2-0 (det)
mdb> finish
      15:      8  2 EXIT pred field_names.make_t6/2-0 (det)
mdb> p 2
       HeadVar__2             	t6f(0.9)
mdb> p 2/1
       HeadVar__2^1           	0.9
mdb> p 2/t5a
mdb: the path t5a does not exist in variable 2.
mdb> p 2/t6a
mdb: the path t6a does not exist in variable 2.
mdb> browse 2
browser> p
t6f(0.9)
browser> ^badname
error: there is no subterm badname
browser> quit
mdb> step
      16:      9  2 CALL pred field_names.make_t7/3-0 (det)
mdb> finish
      17:      9  2 EXIT pred field_names.make_t7/3-0 (det)
mdb> browse 3
browser> p
t7f(0.9, 77)
browser> ^badname
error: there is no subterm badname
browser> quit
mdb> step
      18:     10  2 CALL pred field_names.make_t8/1-0 (det)
mdb> finish
      19:     10  2 EXIT pred field_names.make_t8/1-0 (det)
mdb> browse 1
browser> p
t8a
browser> ^badname
error: there is no subterm badname
browser> quit
mdb> b make_dummy
 0: + stop  interface pred field_names.make_dummy/1-0 (det)
mdb> c
      20:     11  2 CALL pred field_names.make_dummy/1-0 (det)
mdb> finish
      21:     11  2 EXIT pred field_names.make_dummy/1-0 (det)
mdb> p *
mdb: there are no live variables.
mdb> continue -S
t1f1(41, 42, 43, 44)
t1f2(51, 52, 53)
t2f(0.6, 61, t1f1(41, 42, 43, 44), t1f2(51, 52, 53))
t3f(t1f2(51, 52, 53), 72, "xyzzy", t1f1(41, 42, 43, 44))
t2f(0.6, 61, t1f1(41, 42, 43, 44), t1f2(51, 52, 53))
t5f(t1f1(41, 42, 43, 44))
t6f(0.9)
t7f(0.9, 77)
t8a
dummy