eja: add a TODO for a bug just observed.

diff --git a/mjo/eja/TODO b/mjo/eja/TODO
index 0d6edf2500664bbbad54e08b18f9e304765a7b6f..70e945ed4bbe499bd6dde2a92c0153e30f1dede0 100644 (file)
--- a/mjo/eja/TODO
+++ b/mjo/eja/TODO
@@ -20,3 +20,7 @@ sage: a0 = (1/4)*X[4]**2*X[6]**2 - (1/2)*X[2]*X[5]*X[6]**2 - (1/2)*X[3]*X[4]*X[6
    (True, False, None)? We should also figure out the correct
    True/False values for the example classes, and of course add an
    _is_associative() method.
+
+7. When field=RDF, subalgebra construction is failing because the
+   inner product isn't associative? Actually, it's the combination
+   of field=RDF and orthonormalize=True.