merged the current state of XML Schemas implementation, it is not

* Makefile.am TODO_SCHEMAS configure.in genUnicode.py testAutomata.c
 testRegexp.c testSchemas.c xmlregexp.c xmlschemas.c xmlschemastypes.c
 xmlunicode.c include/libxml/Makefile.am
 include/libxml/schemasInternals.h include/libxml/xmlautomata.h
 include/libxml/xmlregexp.h include/libxml/xmlschemas.h
 include/libxml/xmlschemastypes.h include/libxml/xmlunicode.h
 include/libxml/xmlversion.h.in : merged the current state of
 XML Schemas implementation, it is not configured in by default,
 a specific --schemas configure option has been added.
* test/automata test/regexp test/schemas Makefile.am
  result/automata result/regexp result/schemas:
  merged automata/regexp/schemas regression tests
Daniel
diff --git a/TODO_SCHEMAS b/TODO_SCHEMAS
new file mode 100644
index 0000000..145a4ed
--- /dev/null
+++ b/TODO_SCHEMAS
@@ -0,0 +1,31 @@
+- implement counted transitions at the automata level
+
+- Unicode:
+  + upgrade to 3.2
+  + improve the python script to generate better test
+    expressions to check the list of ranges.
+
+- Implement the interface at the SAX level
+
+- Implement the missing parts in the Structure part
+   + all content model
+   + enumerations
+   + countless others c.f. the TODO scattered in the code
+
+- Complete the Built-In datatype collections and Facets implementations
+
+- Regression tests based on
+  + the primer:
+    http://www.w3.org/TR/xmlschema-0/
+  + the Schemas Test Collection:
+    http://www.w3.org/2001/05/xmlschema-test-collection/
+  + archives of the schemas-dev list
+
+- Integrity constraints:
+  + what's that ? How need to read about it
+
+- "formal" checking, i.e. go through the full Structure spec and
+  bind code and associated parts of the Schemas spec
+
+- go though the erratas
+  http://www.w3.org/2001/05/xmlschema-errata