maybe it's relevant here to remark that use on WIN will show a split personality.

the require will be case insensitive but the import will fail, because the latter expects a case sensitive package name

this will lead to somehow schizophrenic error conditions.

C:\tmp\pm>perl -MData::Dumper -we"print Dumper [1..3]"     # Correct C
+asing, NO Problems
$VAR1 = [
          1,
          2,
          3
        ];

C:\tmp\pm>perl -MdAtA::DuMpER -we1                         # NO Error 
+Msg on Win

C:\tmp\pm>perl -MdAtA::DuMpER -we"print Dumper [1..3]"     # BUT won't
+ work!
Name "main::Dumper" used only once: possible typo at -e line 1.
print() on unopened filehandle Dumper at -e line 1.

C:\tmp\pm>perl -MdAtA::DuMpER::FAKE -we1                   # What we r
+eally expected ...
Can't locate dAtA/DuMpER/FAKE.pm in @INC (you may need to install the 
+dAtA::DuMpER::FAKE module) ...
C:\tmp\pm>
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