\bind "C-Tab" "cell-split"
\bind "M-m space" "math-space"
+# math-macros
+\bind "C-plus" "math-macro-unfold"
+\bind "C-minus" "math-macro-fold"
+
# This should be handled properly by some "get the next key" method
\bind "M-m g a" "math-insert \alpha"