default namespace ev = "http://www.lmnl.org/event" 
datatypes xs = "http://www.w3.org/2001/XMLSchema-datatypes"

start = events

events = element events { event* }

event |= element start-tag-open { ns, name, id, common }
event |= element start-tag-close { ns, name, id, common }
event |= element end-tag-open { ns, name, id, common }
event |= element end-tag-close { ns, name, id, common }
event |= element start-annotation-open { ns, name, common }
event |= element start-annotation-close { ns, name, common }
event |= element end-annotation-open { ns, name, common }
event |= element end-annotation-close { ns, name, common }
event |= element atom-open { ns, name, common }
event |= element atom-close { ns, name, common }

ns = attribute ns { xs:anyURI }
name = attribute name { xs:NCName }
id = attribute id { xs:NCName }

event |= element text { chars, ws, common }

chars = attribute chars { xs:string }
ws = attribute ws { 'true' | 'false' }

event |= element comment { content }

content = attribute content { xs:string }

event |= element error { parsing, found, message, line, col }

parsing = attribute parsing { xs:string }
found = attribute found { xs:string }
message = attribute message { xs:string }

common &= attribute hash { xs:string }
common &= line
common &= col
common &= depth

line = attribute line { xs:integer }
col = attribute col { xs:integer }
depth = attribute depth { xs:integer }