1:      1  1 CALL pred completion.main/2-0 (det) completion.m:13
mdb> echo on
echo on
Command echo enabled.
mdb> register --quiet
register --quiet
mdb> 
?                  document           maxdepth           scroll
P                  document_category  mindepth           set
alias              down               mm_stacks          source
all_class_decls    e                  mmc_options        stack
all_regs           echo               modules            stack_regs
all_type_ctors     enable             next               step
b                  exception          nondet_stack       subgoal
break              excp               p                  table
browse             f                  pneg_stack         table_io
c                  finish             print              term_size
cc_query           flag               print_optionals    trust
class_decl         forward            printlevel         trusted
clear_histogram    g                  proc_stats         type_ctor
consumer           gen_stack          procedures         unalias
context            goal_paths         query              unhide_events
continue           goto               quit               untrust
current            h                  r                  up
cut_stack          help               register           v
d                  histogram_all      retry              var_details
dd                 histogram_exp      return             var_name_stats
dd_dd              ignore             s                  vars
debug_vars         io_query           save               view
delete             label_stats        save_to_file       
disable            level              scope              
mdb>  h
h              help           histogram_all  histogram_exp  
mdb>  help v
var_details     var_name_stats  vars            view
mdb>  help va
var_details     var_name_stats  vars            
mdb>  help 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> p --flat 
*          --pretty   -f         -v         exception  
--flat     --verbose  -p         DCG_0      goal       
mdb> p --flat DCG_0 
p --flat DCG_0 
       DCG_0 (arg 1)          	state('<<c_pointer>>')
mdb> sta
stack       stack_regs  
mdb> stack --detailed 
stack --detailed 
   0       1       1    1 pred completion.main/2-0 (det) (completion.m:13) (empty)
mdb> proc
proc_stats  procedures  
mdb> procedures complet
completion            completion.sub2       
completion.sub1       completion.sub2.sub3  
mdb> procedures completion.
completion.sub1       completion.sub2       completion.sub2.sub3
mdb> procedures completion.sub1
procedures completion.sub1
List of procedures in module `completion.sub1'
pred completion.sub1.zp/1-0 (det)
func completion.sub1.z1/0-0 (det)
mdb> set --flat format pretty 
set --flat format pretty 
mdb> unalias excp 
unalias excp 
Alias `excp' removed.
mdb> b zabc3 
b zabc3 
 0: + stop  interface func completion.sub2.sub3.zabc3/0-0 (det)
mdb> b func*complet
func*completion.            func*completion.sub2.
func*completion.sub1.       func*completion.sub2.sub3.
mdb> b func*completion.z
func*completion.z   func*completion.zz  
mdb> b func*completion.z
b func*completion.z
 1: + stop  interface func completion.z/0-0 (det)
mdb> b complet
completion.            completion.sub2.       
completion.sub1.       completion.sub2.sub3.  
mdb> b completion.s
completion.sub1.       completion.sub2.       completion.sub2.sub3.
mdb> b completion.sub1
completion.sub1.z1  completion.sub1.zp  
mdb> b completion.sub1.z1
b completion.sub1.z1
 2: + stop  interface func completion.sub1.z1/0-0 (det)
mdb> b complet
completion.            completion.sub2.       
completion.sub1.       completion.sub2.sub3.  
mdb> b completion.s
completion.sub1.       completion.sub2.       completion.sub2.sub3.
mdb> b completion.sub2
completion.sub2.       completion.sub2.sub3.  
mdb> b completion.sub2.sub3.zabc3 
b completion.sub2.sub3.zabc3 
 3: + stop  interface func completion.sub2.sub3.zabc3/0-0 (det)
mdb> 2d
2d                  2debug_vars         2document
2dd                 2delete             2document_category
2dd_dd              2disable            2down
mdb> 2de
2debug_vars  2delete      
mdb> 2delete 
2delete 
 2: E stop  interface func completion.sub1.z1/0-0 (det)
mdb> c
c
ok