-\bind "M-m ~S-bracketleft" "math-delim [ ]"
-\bind "M-m ~S-braceleft" "math-delim { }"
-\bind "M-m ~S-less" "math-delim langle rangle"
-\bind "M-m ~S-greater" "math-delim rangle langle"
-\bind "M-m ~S-bar" "math-delim | |"
+\bind "M-m ~C-~M-~S-bracketleft" "math-delim [ ]"
+\bind "M-m ~C-~M-~S-braceleft" "math-delim { }"
+\bind "M-m ~S-less" "math-delim langle rangle" # produces < >
+\bind "M-m ~S-greater" "math-delim rangle langle" # produces > <
+\bind "M-m ~C-~M-~S-bar" "math-delim | |"