The Tor Browser / file revision

       <handler event="keypress" key=" " modifiers="shift" command="cmd_scrollPageUp" />

       <handler event="keypress" key=" " command="cmd_scrollPageDown" />

       <handler event="keypress" keycode="VK_UP" command="cmd_linePrevious" />

       <handler event="keypress" keycode="VK_DOWN" command="cmd_lineNext" />

       <handler event="keypress" keycode="VK_LEFT" command="cmd_charPrevious" />

       <handler event="keypress" keycode="VK_RIGHT" command="cmd_charNext" />

       <handler event="keypress" key="x" command="cmd_cut" modifiers="accel"/>

       <handler event="keypress" key="c" command="cmd_copy" modifiers="accel"/>

       <handler event="keypress" key="v" command="cmd_paste" modifiers="accel"/>

       <handler event="keypress" key="z" command="cmd_undo" modifiers="accel"/>

       <handler event="keypress" key="z" command="cmd_redo" modifiers="accel,shift" />

       <handler event="keypress" key="a" command="cmd_selectAll" modifiers="accel"/>