<!--         
       '$RCSfile: eml-attribute.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: 1.13 $'

    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 eml-attribute (identifier+, attribute+)>
<!ELEMENT identifier (#PCDATA)>
<!ATTLIST identifier system CDATA #IMPLIED>
<!ELEMENT attribute (attributeName, attributeLabel*, attributeDefinition, unit?, dataType?, attributeDomain, missingValueCode*, precision?)>
<!ELEMENT attributeName (#PCDATA)>
<!ELEMENT attributeLabel (#PCDATA)>
<!ELEMENT attributeDefinition (#PCDATA)>
<!ELEMENT unit (#PCDATA)>
<!ELEMENT dataType (#PCDATA)>
<!ELEMENT attributeDomain ((enumeratedDomain | textDomain)+ | numericDomain+)>
<!ELEMENT missingValueCode (#PCDATA)>
<!ELEMENT precision (#PCDATA)>
<!ELEMENT enumeratedDomain (code, definition, source?)>
<!ELEMENT textDomain (definition, pattern*, source?)>
<!ELEMENT numericDomain (minimum?, maximum?)>
<!ELEMENT code (#PCDATA)>
<!ELEMENT definition (#PCDATA)>
<!ELEMENT source (#PCDATA)>
<!ELEMENT pattern (#PCDATA)>
<!ELEMENT minimum (#PCDATA)>
<!ELEMENT maximum (#PCDATA)>