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  1. or download this
    delete($opts{l}); ## was: delete($opts{L});
    
  2. or download this
    # was: if (/@(?:([[:word:]:]+)::)?ISA\s*=\s*(.*)\s*/) 
    if (/(?<!\\)@(?:([[:word:]:]+)::)?ISA\s*=\s*(.*)/)
    
  3. or download this
    while (!/;/)    # accumulate ISA value for multiple lines
    {
    ...
    @isa = eval $tmp;
    # was: if ($@) { warn "Unparseable \@ISA line: $_"; next };
           if ($@) { warn "Unparseable \@ISA line: $tmp"; next };