use XML::DOM;
  @ISA = qw( XML::DOM::Document );
  

##</code><code>##

  Global symbol "@ISA" requires explicit package name at lib/Literally/Document.pm
  

##</code><code>##

  use XML::DOM::Document;
  @ISA = qw( XML::DOM::Document );
  

##</code><code>##

  Can't locate XML/DOM/Document.pm in @INC