1- implement counted transitions at the automata level
2
3- Unicode:
4  + upgrade to 3.2
5  + improve the python script to generate better test
6    expressions to check the list of ranges.
7
8- Implement the interface at the SAX level
9
10- Implement the missing parts in the Structure part
11   + all content model
12   + enumerations
13   + countless others c.f. the TODO scattered in the code
14
15- Complete the Built-In datatype collections and Facets implementations
16
17- Regression tests based on
18  + the primer:
19    http://www.w3.org/TR/xmlschema-0/
20  + the Schemas Test Collection:
21    http://www.w3.org/2001/05/xmlschema-test-collection/
22  + archives of the schemas-dev list
23
24- Integrity constraints:
25  + what's that ? How need to read about it
26
27- "formal" checking, i.e. go through the full Structure spec and
28  bind code and associated parts of the Schemas spec
29
30- go though the erratas
31  http://www.w3.org/2001/05/xmlschema-errata
32