#%% sisu object model: input
#  Name: SiSU information Structuring Universe - Structured information, Serialized Units
#  Author: Ralph Amissah
#    http://www.jus.uio.no/sisu
#    http://www.jus.uio.no/sisu/SiSU/download.html

#  Description: sisu object models in relaxNG xhtml model base
#               used for preliminary modeling, not definitive

#  Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Ralph Amissah

#  License: GPL 3 or later

# Summary of GPL 3

# 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 3 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA

# If you have Internet connection, the latest version of the GPL should be
# available at these locations:
#   http://www.fsf.org/licenses/gpl.html
#   http://www.gnu.org/copyleft/gpl.html
#   http://www.jus.uio.no/sisu/gpl3.fsf

# SiSU was first released to the public on January 4th 2005

# SiSU uses:
# 
#   Standard SiSU markup syntax,
#   Standard SiSU meta-markup syntax, and the
#   Standard SiSU object citation numbering and system
# 
# © Ralph Amissah 1997, current 2006.
# All Rights Reserved.

#%% definitions
#dublin core:
element-dc =
  ( attribute title { text }
  #attribute subtitle { text }?
  & attribute creator { text }?
  & attribute subject { text }?
  & attribute description { text }?
  & attribute publisher { text }?
  & attribute contributor { text }?
  & attribute date { text }?
  & attribute datecreated { text }?
  & attribute dateissued { text }?
  & attribute dateavailable { text }?
  & attribute datevalid { text }?
  & attribute datemodified { text }?
  & attribute type { text }?
  & attribute format { text }?
  & attribute identifier { text }?
  & attribute source { text }?
  & attribute relation { text }?
  & attribute coverage { text }?
  & attribute rights { text }?
  & attribute keywords { text }? ),
#text includes <en> endnote pointer numbers, and <b> <i> <u> etc.
#note includes <b> <i> <u> etc.
#%% structure
element document {
  #document head:
  element head {
    attribute id { text },
    element-dc,
    attribute copyright { text }?
    #element title {
    #  attribute xml:lang { text },
    #  text
    #}
  },
  #document body:
  element body {
    #object, unit
    element object {
      #may or may not be a heading, if heading provide heading level [1-6]:
      element heading { text }?,
      #object citation number, unique sequential number for objects:
      element ocn { text },
      #body content/text, whether heading or ordinary paragraph:
      element text { text },
      #endnotes, zero or many:
      element endnote {
        #endnotes number:
        element en_n { text },
        #endnotes content/text:
        element note { text }
      }*
    }+
  }
}