# Xerces-2 Schema alpha

Features:

- Similar schema support to xerces-1, except no:
  - particle derivation restriction checking
  - UPA checking
  - cos-element-consistent checking

Target date: late October

Overall status: Oct 29: Release posted.

### Development line items

Line item | Volunteer | Target start date | Target completion date | Status
--- | --- | --- | --- | ---
Overall schema design work | all | July 1 | Aug 31 | Complete
Infrastructure and framework | Neil Graham, Elena Litani, Sandy Gao | Aug. 24 | Sept. 21 | Complete
Datatype and msg port | Elena Litani | Aug. 24 | Aug. 31 | Complete
Schema Handler and document info | Neil Graham | Aug. 24 | Oct. 12 | Complete
Identity constraint traversal | Neil Graham | Sept. 13 | Sept. 24 | Complete
SimpleType traversal | Elena Litani | Aug. 24 | Sept. 21 | Complete
Element traversal | Sandy Gao | Aug. 24 | Sept. 25 | Complete
Attribute traversal - initial implementation | Sandy Gao | Aug. 24 | Sept. 25 | Complete
Group traversal | Rahul Srivastava (Elena Litani, Lisa Martin) | Sept. 1 | Sept. 10 | Complete
wildcard support - initial implementation | Sandy Gao, Rahul Srivastava | Aug. 24 | Sept. 25 | Complete
Attribute group traversal - initial implementation | Sandy Gao, Rahul Srivastava | Aug. 24 | Sept. 25 | Complete
Complex type support | Lisa Martin | Sept. 1 | Oct. 5 | Complete
Schema validator - initial implementation | Sandy Gao | Sept. 4 | Sept. 25 | Complete
Content models: builder, simple | Elena Litani | Sept. 4 | Sept. 25 | Complete
Content models: DFA | Neil Graham | Sept. 24 | Oct. 1 | Complete
Notation traversal | Rahul Srivastava | Sept. 15 | Sept. 18 | Complete
Misc. AttributeUse, attributeGroup Changes change implementation of union of attribute uses ensure all constraint checking done (ag-props-correct 2 and 3) | Rahul Srivastava | Oct. 1 | Oct. 5 | Complete
wildcard utility methods intersection, union, subset | Rahul Srivastava | Oct. 1 | Oct. 19 | Complete
Schema Validator - identity constraint checking | Neil Graham | Oct. 5 | Oct. 11 | Complete
Schema Validator - default/fixed element values | Neil Graham | Oct. 5 | Oct. 11 | Complete
Schema Validator - ENTITY validation | Elena Litani | Oct. 1 | Oct. 19 | Complete.
Schema resolution changes | Elena Litani | Oct. 1 | Oct. 1 | Complete
annotation | Pavani Mukthipudi | Sept. 26 | Oct. 1 | Complete
all Content Model | Pavani Mukthipudi | Sept. 26 | Oct. 4 | Complete
mixed Content Model | Elena Litani | Sept. 24 | Oct. 1 | Complete
Testing | all | Oct. 8 | Oct. 22 | Complete.
Package restructuring | Elena Litani | Oct. 24 | Oct. 25 | Complete
Configuration changes | Elena Litani, Sandy Gao | Oct. 24 | Oct. 25 | Complete
Attempt final build and post to apache | all | Oct. 25 | Oct. 31 | Complete Build attempted Oct. 25. Bugs fixed on 26. Build re-initiated and posted Oct. 29