doc/TODO

   1 1. Re-enable DTD validation once
   2    https://github.com/UweSchmidt/hxt/issues/15 is fixed.
   3
   4 2. Write a test for test/xml/Odds_XML-long-import.xml once it no
   5    longer takes 10 minutes to import (Postgres only?).
   6
   7 3. Write a test for the ON DELETE CASCADE behavior.
   8
   9 4. Add a test for inserting duplicate messages.