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  1. or download this
    my $rvars = \%vars;
    ## this function is to be debugged using the perl debugger
    my $return2 = make_initial_captions($rvars);
    say "return2 is $return2";
    
  2. or download this
    package utils1;
    require Exporter;
    
    ...
    
    
    1;
    
  3. or download this
    sub make_initial_captions {
      use 5.016;
      use warnings;
    ...
      $DB::single = 1;
      return "nothing yet";
    }
    
  4. or download this
    $ perl -d 1.debug.11.pl
    
    Loading DB routines from perl5db.pl version 1.55
    ...
    h q, h R or h o to get additional info.
      DB<5> q                                                             
    +          
    $