\bind "M-~S-e t u" "tabular-feature append-column"
\bind "M-~S-e t d" "tabular-feature delete-column"
-\bind "M-~S-e m n" "math-number"
-\bind "M-~S-e m u" "math-nonumber"
+\bind "M-~S-e m n" "math-number-toggle"
+\bind "M-~S-e m u" "math-number-line-toggle"
\bind "M-~S-e m r" "tabular-feature append-row"
\bind "M-~S-e m d" "tabular-feature delete-row"
\bind "M-~S-e m c" "tabular-feature append-column"