1 files changed, 2 insertions, 0 deletions
diff --git a/doc/TODO b/doc/TODO
index 165507b..2a26713 100644
--- a/doc/TODO
+++ b/doc/TODO
@@ -13,4 +13,6 @@ medium things
 large things
   multi-processor (interpolator, overall control)
   sparse matrix elliptic solver
+  handle quadrant/octant grids
+     (needs Jacobian of one ghost zone to cover two different ghost zones)
   "isolated horizons" computation of BH mass and spin