1:      1  1 CALL pred completion.main/2-0 (det) completion.m:17
mdb> echo on
Command echo enabled.
mdb> register --quiet
mdb> 
!                    fail                 printlevel
?                    fail_trace_counts    procedures
P                    finish               push_list_dir
alias                flag                 query
all_class_decls      format               quit
all_procedures       format_param         r
all_regs             forward              register
all_type_ctors       g                    retry
ambiguity            gen_stack            return
b                    goal_paths           s
break                goto                 save
break_print          grep                 scope
browse               h                    scroll
c                    held_vars            shell
cc_query             help                 source
class_decl           histogram_all        stack
clear_histogram      histogram_exp        stack_default_limit
condition            hold                 stack_regs
consumer             ignore               stats
context              io_query             step
continue             level                subgoal
current              list                 table
cut_stack            list_cmd             table_io
d                    list_context_lines   term_size
dd                   list_path            track
debug_vars           max_io_actions       trail_details
delete               maxdepth             trust
dice                 mindepth             trusted
diff                 mm_stacks            type_ctor
disable              mmc_options          unalias
document             modules              unhide_events
document_category    next                 untrust
down                 nondet_stack         up
dump                 open                 user
e                    p                    user_event_context
echo                 pass_trace_counts    v
enable               pneg_stack           var_details
exception            pop_list_dir         vars
excp                 print                view
f                    print_optionals      web_browser_cmd
h              help           histogram_exp  
held_vars      histogram_all  hold           
var_details  vars         view         
var_details  vars         
 help vars 
vars
     Prints the names of all the known variables in the current
     environment, together with an ordinal number for each variable.
mdb> 
*          --pretty   -f         -v         goal       
--flat     --verbose  -p         exception  
p --flat D
mdb: there is no such variable.
mdb> 
stack                stack_default_limit  stack_regs
stack --detailed 
   0       1       1    1 pred completion.main/2-0 (det) (completion.m:17) (empty)
mdb> 
completion            completion.sub2       
completion.sub1       completion.sub2.sub3  
completion.sub1       completion.sub2       completion.sub2.sub3
procedures completion.sub1
List of procedures in module `completion.sub1'
func completion.sub1.z1/0-0 (det)
pred completion.sub1.zp/1-0 (det)
mdb> 
format        format_param  
format_param  --flat  lines 10
mdb> unalias excp 
Alias `excp' removed.
mdb> b zabc3 
 0: + stop  interface func completion.sub2.sub3.zabc3/0-0 (det)
mdb> 
func*completion.            func*completion.sub2.
func*completion.sub1.       func*completion.sub2.sub3.
func*completion.z   func*completion.zz  
b func*completion.z
 1: + stop  interface func completion.z/0-0 (det)
mdb> 
completion.                completion.sub1.m:15
completion.m:17            completion.sub1.m:17
completion.m:18            completion.sub2.
completion.m:21            completion.sub2.m:15
completion.m:24            completion.sub2.sub3.
completion.sub1.           completion.sub2.sub3.m:13
completion.sub1.           completion.sub2.m:15
completion.sub1.m:15       completion.sub2.sub3.
completion.sub1.m:17       completion.sub2.sub3.m:13
completion.sub2.           
completion.sub1.m:15  completion.sub1.z1    
completion.sub1.m:17  completion.sub1.zp    
b completion.sub1.z1
 2: + stop  interface func completion.sub1.z1/0-0 (det)
mdb> 
completion.                completion.sub1.m:15
completion.m:17            completion.sub1.m:17
completion.m:18            completion.sub2.
completion.m:21            completion.sub2.m:15
completion.m:24            completion.sub2.sub3.
completion.sub1.           completion.sub2.sub3.m:13
completion.sub1.           completion.sub2.m:15
completion.sub1.m:15       completion.sub2.sub3.
completion.sub1.m:17       completion.sub2.sub3.m:13
completion.sub2.           
completion.sub2.           completion.sub2.sub3.
completion.sub2.m:15       completion.sub2.sub3.m:13
completion.sub2.sub3.m:13   completion.sub2.sub3.zabc3
b completion.sub2.sub3.zabc3 
 3: + stop  interface func completion.sub2.sub3.zabc3/0-0 (det)
mdb> 
2d                  2dice               2document_category
2dd                 2diff               2down
2debug_vars         2disable            2dump
2delete             2document           
2debug_vars  2delete      
2delete 
 2: E stop  interface func completion.sub1.z1/0-0 (det)
mdb> c
ok