=head1 NAME
XML::GDOME::Entity - Interface Entity implementation.
=head1 SYNOPSIS
$str = $ent->getPublicId();
$str = $ent->getSystemId();
$str = $ent->getNotationName();
=head1 CLASS INHERITANCE
L<XML::GDOME::Node> > XML::GDOME::Entity
=head1 METHODS
=over 4
=item $str = $ent->getPublicId();
I<Returns>: the public identifier associated with the entity, if specified. If the public identifier was not specified, this is undef.
=item $str = $ent->getSystemId();
I<Returns>: the system identifier associated with the entity, if specified. If the system identifier was not specified, this is undef.
=item $str = $ent->getNotationName();
I<Returns>: for unparsed entities, the name of the notation for the entity. For parsed entities, this is undef.
=back