<!--         
       '$RCSfile: eml-access.dtd,v $'
       Copyright: 2000 Regents of the University of California and the
                  National Center for Ecological Analysis and Synthesis
     For Details: http://knb.ecoinformatics.org/

        '$Author: cjones $'
          '$Date: 2001-12-18 04:45:54 $'
      '$Revision: 1.18 $'

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-->
<!ELEMENT acl (identifier+, (allow | deny)+)>
<!ATTLIST acl order (allowFirst | denyFirst) #REQUIRED authSystem CDATA #REQUIRED>
<!ELEMENT begdate (#PCDATA)>
<!ELEMENT beggeol (geolage)>
<!ELEMENT begtime (#PCDATA)>
<!ELEMENT citeinfo ANY>
<!ELEMENT enddate (#PCDATA)>
<!ELEMENT endgeol (geolage)>
<!ELEMENT endtime (#PCDATA)>
<!ELEMENT geolage (geolscal, geolest, geolun?, geolexpl?, geolcit*)>
<!ELEMENT mdattim (sngdate+)>
<!ELEMENT rngdates ((begdate, begtime?, enddate, endtime?) | (beggeol, endgeol))>
<!ELEMENT sngdate ((caldate, time?) | geolage)>
<!ELEMENT identifier (#PCDATA)>
<!ATTLIST identifier system CDATA #IMPLIED>
<!ELEMENT allow (principal+, permission+, duration?, ticketCount?)>
<!ELEMENT deny (principal+, permission+, duration?, ticketCount?)>
<!ELEMENT geolscal (#PCDATA)>
<!ELEMENT geolest (#PCDATA)>
<!ELEMENT geolun (#PCDATA)>
<!ELEMENT geolexpl (#PCDATA)>
<!ELEMENT geolcit (citeinfo)>
<!ELEMENT caldate (#PCDATA)>
<!ELEMENT time (#PCDATA)>
<!ELEMENT principal (#PCDATA)>
<!ELEMENT permission (#PCDATA)>
<!ELEMENT duration (sngdate | mdattim | rngdates)>
<!ELEMENT ticketCount (#PCDATA)>