=head1 NAME

XML::DOM::Notation - An XML NOTATION in XML::DOM

=head1 DESCRIPTION

XML::DOM::Notation extends L<XML::DOM::Node>.

This node represents a Notation, e.g.

 <!NOTATION gs SYSTEM "GhostScript">

 <!NOTATION name PUBLIC "pubId">

 <!NOTATION name PUBLIC "pubId" "sysId">

 <!NOTATION name SYSTEM "sysId">

=head2 METHODS

=over 4

=item getName and setName (name)

Returns (or sets) the Notation name, which is the first token after the 
NOTATION keyword.

=item getSysId and setSysId (sysId)

Returns (or sets) the system ID, which is the token after the optional
SYSTEM keyword.

=item getPubId and setPubId (pubId)

Returns (or sets) the public ID, which is the token after the optional
PUBLIC keyword.

=item getBase

This is passed by XML::Parser in the Notation handler. 
I don't know what it is yet.

=item getNodeName

Returns the same as getName.

=back