[ABE.pm] possible bug in Regexp::Assemble

[Ted Fiedler]

Can anyone explain this behavior?

code

#!/home/tfiedler/perl/bin/perl
use strict;
use warnings;
use Regexp::Assemble;
use Data::Dumper;

my $ra = Regexp::Assemble->new;
$ra->add( 'ab+c' );
$ra->add( 'ab+-' );
$ra->add( 'a\w\d+' );
$ra->add( 'a\d+' );
print $ra->re; # prints a(?:\w?\d+|b+[-c])
#print Dumper $ra;

Thats the code from the documentation w/ the exception of the 
Data::Dumper stuff...

So I run this and get no output, If I comment out the last line print 
Dumper...

I get:

[tfiedler at rlinux2]~/bin% ./regexp.pl
(?-xism:a(?:\w?\d+|b+[-c]))$VAR1 = bless( {
                 'anchor_string_begin' => 0,
                 'unroll_plus' => 0,
                 'anchor_line_begin' => 0,
                 'anchor_line_end' => 0,
                 'anchor_string_end' => 0,
                 'anchor_word_begin' => 0,
                 'debug' => 0,
                 'lookahead' => 0,
                 'anchor_word_end' => 0,
                 'reduce' => 1,
                 'mutable' => 0,
                 'flags' => '',
                 'str' => 'a(?:\\w?\\d+|b+[-c])',
                 'fold_meta_pairs' => 1,
                 'track' => 0,
                 're' => qr/(?-xism:a(?:\w?\d+|b+[-c]))/,
                 'path' => [],
                 'indent' => 0,
                 'stats_raw' => 18,
                 'stats_cooked' => 18,
                 'stats_add' => 4,
                 'chomp' => 1,
                 'anchor_string_end_absolute' => 0,
                 'dup_warn' => 0
               }, 'Regexp::Assemble' );

Which is what I expect. Any ideas?

Ted