Undef? That's what I expected. On my system (5.26.2 on osx) the case-typo unexpectedly triggers the proper search but then unexpectedly propagates the wrong case to the filename and module values:

> perl -MModule::Metadata -MData::Dumper -le "print(Dumper(Module::Met
+adata->new_from_module('Data::DUMPer')))"
$VAR1 = bless( {
                 'inc' => [
                            '/path/to'
                          ],
                 'pod' => {},
                 'packages' => [
                                 'Data::Dumper'
                               ],
                 'version' => undef,
                 'collect_pod' => undef,
                 'versions' => {
                                 'Data::Dumper' => bless( {
                                                            'original'
+ => '2.167',
                                                            'version' 
+=> [
                                                                      
+     2,
                                                                      
+     167
                                                                      
+   ]
                                                          }, 'version'
+ )
                               },
                 'pod_headings' => [
                                     'NAME',
                                     'SYNOPSIS',
                                     'DESCRIPTION',
                                     'Methods',
                                     'Functions',
                                     'Configuration Variables or Metho
+ds',
                                     'Exports',
                                     'EXAMPLES',
                                     'BUGS',
                                     'NOTE',
                                     'AUTHOR',
                                     'VERSION',
                                     'SEE ALSO'
                                   ],
                 'module' => 'Data::DUMPer',
                 'filename' => '/path/to/Data/DUMPer.pm'
               }, 'Module::Metadata' );


> perl -MModule::Metadata -le'print $Module::Metadata::VERSION'
1.000033 (current)
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