Release 2.0 NaPTAN, & NPTG is a major release of NaPTAN 

It contains a veru small number of additional corrections since the last draft release 2.0d,
which are listed below.  Tehse shoudl not affect existing 2.0d documents.

It also sets out an evolutionary path to migrate both XMl & CSV schemas from NaPTAN 1.1 
 
    It shares common NaPT data types with the TransXChange 2.0 release which is released simultaneously 
      
    A revised version of the NaPTAN Schema Guide is available with  minor revisions.
 
Revisions
=++========

The following is a list of the  changes in 2.0d 

Changes that may cause breakage in 2.0c implementations are marked with a ++ 
    
Started 2.0d  04/11/2004
 * [NaPT common] Restrict PlaceName type to 48 characters
    This limit applies to COmmonName, and other NaPTAN place name elements
   
 * NaPT dates type correction Make NotThursday, NotFriday, AllHolidaysSinceChristmas into empty types
 * NPTG type correction make data type of CleardownStart and CleardownEnd positiveInteger
 * NPTG_discovery type correction make data type of Capability NMTOKEN
 * Correct some comments 
 * NaPT journey type correction: make data type of LocationRef IdType
 
 15/12/2004
  * {Napt Stop] Add change attributes to Stop AlternativeDescriptor,  AlternativeNPTGLocalities, StopAvailability,    StopAreas,    PlusbusZones
  *  NAPTAN Discovery add StopPoint to Used by references
  *  NaPT StopVersionedRrf, NaPTVersionRef introduced so that change attributes may be used generally on associations
     
 15/01/2005
     * [NaPT dates] Add timeband to NaPT
     * [NaPT Geographic] Add bounding box structure 
     * [NAPT stops] fix comments 

 15/02/2005
     * Internal refactor to NaPTCommon into NaPT_types so that can reuse
     * NaPT_dates add ahlp open dateTime range

 10/03/2005
     * [NPTG Discovery] Add optional change attributes to NPTGDiscovery Availability , StopPointRef
     * [NPTG Discovery] AdjacentRegionPoint Location made 0:1
     * [NPTG Discovery] TrustedServer Description type changed to Populated String (not Lang)
     * [NAPT stops]  Add optional modification attribute group to HailAndRideSection
     * [NAPT stops]  Add optional modification attribute group to StopValidity
     * [NAPT stops]  Add optional modification attribute group to AnnotatedAirRef
     * [NAPT stops]  Add optional modification attribute group to AnnotatedFerryRef
     * [NAPT stops]  Add optional modification attribute group to AnnotatedRailR
     * [NAPT stops]  Add optional modification attribute group to AnnotatedCoachRef
     * [NAPT stops]  Add optional modification attribute group to AnnotatedMetroRef
     * [NaPT stops]  AnnotatedCoachRef Make LongName and Location optional
     * [NaPT stops]] Add optional modification attribute group to StopAreaRef 
     * [NPTG] Add optional modification attribute group to ParentNPTGLocalityRef


Version 2.0  10/03/2005
    Released.
 06/05/2005 Errata 
     * [NaPT stops] Creation date on stop ref made mandatory
     * [NAPT *] Meta data comments and id updated for 2.0 
 * 06/06/2005
     * [NPTG_discovery] Errata: Correct Region-->RegionRef,  AdministrativeArea --> AdministrativeAreas.