Updated internal documentation.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@8375 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/drd/TODO.txt b/drd/TODO.txt
index b3fc34e..bbfdc10 100644
--- a/drd/TODO.txt
+++ b/drd/TODO.txt
@@ -15,6 +15,7 @@
 - Find out why no variable name information is printed for races
   detected in parallel sections of OpenMP programs. An example:
   ./vg-in-place --tool=exp-drd exp-drd/tests/omp_prime 4 -t 2
+- Report races in glibc on stdout / stderr back to glibc maintainers.
 
 
 Testing
@@ -27,6 +28,8 @@
 
 Documentation
 ~~~~~~~~~~~~~
+- Add comment on double checked locking.
+- Add comment on circular buffers.
 - Explain how to handle transactions (with regard to locking order).
 - Continue the discussion on the Valgrind mailing list about docbook and
   'make dist'. See also http://bugs.kde.org/show_bug.cgi?id=162121.