default namespace = "http://svn.phylodiversity.net/tot/pmmd/"

## This is the schema for pmmd XML files, in Relax NG compact form
## (see http://relaxng.org/compact-tutorial-20030326.html)
grammar {

start =

  ## PhyloMatic Meta Data
  element pmmd {

    ## Version: 0.4
    attribute version { text },

    ## the phyloname, == the filename MANDATORY
    element phyloname { text },

    ## the nodename of the root node MANDATORY
    element rootname { text },

    ## the Source MANDATORY
    
    element source {

      ## collapsed ... i.e. less resolution, OPTIONAL
      attribute collapsed { "Y" | "N" }?,

      ## with some terminals removed, OPTIONAL
      attribute pruned { "Y" | "N" }?,

      ## or a sub-tree of the cited tree, OPTIONAL
      attribute plucked { "Y" | "N" }?,

      ## Type of tree analysis, OPTIONAL
      attribute analysis { "MP" | "ML" | "BAYES" }?,

      ## Consensus tree?, OPTIONAL
      attribute consensus { "N" | "STRICT" }?,

      ## a publication, either text or bibtex
    ( element pub {

      ( element citation { text } | element bibtex { text } ),

        ## with an optional figure number 
        element figure { text }?
      } 
      | 

      ## OR this is a modification of another phylo in phylomatic 
      element basephylo { text } 
      |

      ## OR this is an online phylomatic output file 
      element netphylomatic { 
	element runtime { text }?,
	element diagnostics { text }?,
	element missing { text }*
      } 
      |

      ## OR this is an original or modified TreeBase phylo
      element treebase {

        ## the study accession number of the TreeBase tree e.g. S416 MAND
        element saccn { text },

        ## the tree code - visible only in the link. e.g. Tree1315 MAND
	element treen { text }
      } |

      ## OR this is a APwebTree
      element apweb {

        element version { text } &

	element downdate { xsd:date } &

	element url { xsd:anyURI }?

      } |

       element other { text }

        |

       element megatree { text }

        )

    },

    ## OPTIONAL notes
    element notes { text }?,

    ## OPTIONAL coded by who?
    element codedby { text }?,

    ## OPTIONAL when?
    element codeddate { xsd:date }?,

    ## OPTIONAL the newick tree itself, otherwise there must be a file called
    ## phyloname.new
    element newick { text }?
  }
}