Add TODO item.

1 files changed, 7 insertions, 0 deletions

diff --git a/TODO.org b/TODO.org
index 1d94842..78488a8 100644
--- a/TODO.org
+++ b/TODO.org
@@ -1,4 +1,11 @@
 * Tasks
+** TODO [#A] Improve error messages in sprite-batch-add!
+=sprite-batch-add!= throws an error if it is called before
+=sprite-batch-clear!= maps the GPU memory, but the error message
+doesn't mean anything to users.  Also, make sure the docs explain why
+you need to clear first.  Consider renaming =sprite-batch-clear!= to
+=sprite-batch-begin!= while you're at it. Explain the difference
+between capacity and size.
 ** TODO [#A] Mention (chickadee-user) module in 'chickadee play' docs
 When you connect to the REPL server, it's in (guile-user) but there's
 nothing telling the user to switch to the right default place.  Can we