[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] key bindings customization defining HTML mode psgml mode unsetting keyboard binding macros to command access commands cursor movement and customization 2nd macro input pauses menu access regions, marks remapping keys keymaps keystrokes, macro definition kill commands kill ring recovering deletions and killing, commands for |