- Change location of "siri_location" package
- Add namespace
- Change "Instruction" element type from "string" to "anyURI"
- Change "Language" multiplicity from 1..1 to 0..1
- Add namespace
- Rename "PointListType" into "PointsType"
- Rename "SearchPointsQueryType" into "SearchPointsQueryContentType"
- Add two main elements "SearchPointsQuery" and "SearchPointsResponse"
- Add namespace
- Remove "QueryId" element
- Change "Comment" attribute into "Comment" element
- Add namespace
- Rename "TripListType" element into "TripsType"
- Rename "KmlOverview" element into "Overview"
- Rename "SectionListType" element into "SectionsType"
- Rename "PathLinkListType" element into "PathLinksType"
- Rename "StepListType" element into "StepsType"
- "id" attribute of "LineType" element is now mandatory
- "id" attribute of "CompanyType" element is now mandatory
- "id" attribute of "GroupOfLineType" element is now mandatory
- "id" attribute of "PTNetworkType" element is now mandatory
- Remove "UNKNOWN" value of "TransportModeEnumeration"
- Change "MaxTrips" type from "int" to "positiveInteger"
- Overall
    - Add namespace
- PlanTripModel
    - Rename "TripListType" element into "TripsType"
    - Rename "KmlOverview" element into "Overview"
    - Rename "SectionListType" element into "SectionsType"
    - Rename "PathLinkListType" element into "PathLinksType"
    - Rename "StepListType" element into "StepsType"
    - "id" attribute of "LineType" element is now mandatory
    - "id" attribute of "CompanyType" element is now mandatory
    - "id" attribute of "GroupOfLineType" element is now mandatory
    - "id" attribute of "PTNetworkType" element is now mandatory
    - Remove "UNKNOWN" value of "TransportModeEnumeration"
    - Change "MaxTrips" type from "int" to "positiveInteger"
- ProtocolModel
    - Remove "QueryId" element
    - Change "Comment" attribute into "Comment" element
- SearchPointsModel
    - Rename "PointListType" into "PointsType"
    - Rename "SearchPointsQueryType" into "SearchPointsQueryContentType"
    - Add two main elements "SearchPointsQuery" and "SearchPointsResponse"
- SiteModel
    - Change "Instruction" element type from "string" to "anyURI"
    - Change "Language" multiplicity from 1..1 to 0..1
- Add glossary and XSLT transformation for XML documentation
- Add XML examples