\bind "M-Return" "paragraph-break inverse"
\bind "C-Return" "newline-insert newline"
\bind "C-S-Return" "newline-insert linebreak"
+\bind "M-S-Right" "depth-increment"
+\bind "M-S-Left" "depth-decrement"
\bind "C-S-L" "specialchar-insert ligature-break"
\bind "C-space" "command-alternatives math-space ; space-insert protected"
\bind "nobreakspace" "space-insert protected"