gecko/content/xbl/builtin/win/platformHTMLBindings.xml

<?xml version="1.0"?>

<bindings id="htmlBindings"
   xmlns="http://www.mozilla.org/xbl"
   xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
 
  <binding id="inputFields">
    <handlers>
#include ../input-fields-base.inc
      <handler event="keypress" key="a" modifiers="accel" command="cmd_selectAll"/>
      <handler event="keypress" keycode="VK_HOME" command="cmd_beginLine"/>
      <handler event="keypress" keycode="VK_END" command="cmd_endLine"/>
      <handler event="keypress" keycode="VK_HOME" modifiers="shift" command="cmd_selectBeginLine"/>
      <handler event="keypress" keycode="VK_END" modifiers="shift" command="cmd_selectEndLine"/>
      <handler event="keypress" keycode="VK_HOME" modifiers="shift,control"
        command="cmd_selectTop"/>
      <handler event="keypress" keycode="VK_END" modifiers="shift,control"
        command="cmd_selectBottom"/>
      <handler event="keypress" keycode="VK_HOME" modifiers="control"
        command="cmd_moveTop"/>
      <handler event="keypress" keycode="VK_END" modifiers="control"
        command="cmd_moveBottom"/>
      <handler event="keypress" keycode="VK_LEFT" modifiers="control"
        command="cmd_wordPrevious"/>
      <handler event="keypress" keycode="VK_RIGHT" modifiers="control"
        command="cmd_wordNext"/>
      <handler event="keypress" keycode="VK_LEFT" modifiers="shift,control"
        command="cmd_selectWordPrevious"/>
      <handler event="keypress" keycode="VK_RIGHT" modifiers="shift,control"
        command="cmd_selectWordNext"/>
      <handler event="keypress" key="y" modifiers="accel"
        command="cmd_redo"/>

      <handler event="keypress" keycode="VK_DELETE" modifiers="shift"
        command="cmd_cutOrDelete"/>
      <handler event="keypress" keycode="VK_DELETE" modifiers="control"
        command="cmd_deleteWordForward"/>
      <handler event="keypress" keycode="VK_INSERT" modifiers="control"
        command="cmd_copy"/>
      <handler event="keypress" keycode="VK_INSERT" modifiers="shift"
        command="cmd_paste"/>
      <handler event="keypress" keycode="VK_BACK" modifiers="alt"
        command="cmd_undo"/>
      <handler event="keypress" keycode="VK_BACK" modifiers="alt,shift"
        command="cmd_redo"/>
      <handler event="keypress" keycode="VK_BACK" modifiers="control"
        command="cmd_deleteWordBackward"/>
    </handlers>
  </binding>

  <binding id="textAreas">
    <handlers>
#include ../textareas-base.inc
      <handler event="keypress" key="a" modifiers="accel" command="cmd_selectAll"/>
      <handler event="keypress" keycode="VK_HOME" 
        command="cmd_beginLine"/>
      <handler event="keypress" keycode="VK_END" 
        command="cmd_endLine"/>
      <handler event="keypress" keycode="VK_HOME" modifiers="shift" 
        command="cmd_selectBeginLine"/>
      <handler event="keypress" keycode="VK_END" modifiers="shift"
        command="cmd_selectEndLine"/>
      <handler event="keypress" keycode="VK_HOME" modifiers="shift,control"
        command="cmd_selectTop"/>
      <handler event="keypress" keycode="VK_END" modifiers="shift,control"
        command="cmd_selectBottom"/>
      <handler event="keypress" keycode="VK_HOME" modifiers="control"
        command="cmd_moveTop"/>
      <handler event="keypress" keycode="VK_END" modifiers="control" command="cmd_moveBottom"/>
      <handler event="keypress" keycode="VK_LEFT" modifiers="control" command="cmd_wordPrevious"/>
      <handler event="keypress" keycode="VK_RIGHT" modifiers="control" command="cmd_wordNext"/>
      <handler event="keypress" keycode="VK_LEFT" modifiers="shift,control" command="cmd_selectWordPrevious"/>
      <handler event="keypress" keycode="VK_RIGHT" modifiers="shift,control" command="cmd_selectWordNext"/>
      <handler event="keypress" keycode="VK_PAGE_UP" command="cmd_movePageUp"/>
      <handler event="keypress" keycode="VK_PAGE_DOWN" command="cmd_movePageDown"/>
      <handler event="keypress" keycode="VK_PAGE_UP" modifiers="shift" command="cmd_selectPageUp"/>
      <handler event="keypress" keycode="VK_PAGE_DOWN" modifiers="shift" command="cmd_selectPageDown"/>
      <handler event="keypress" key="y" modifiers="accel" command="cmd_redo"/>

      <handler event="keypress" keycode="VK_DELETE" modifiers="shift" command="cmd_cutOrDelete"/>
      <handler event="keypress" keycode="VK_DELETE" modifiers="control" command="cmd_deleteWordForward"/>
      <handler event="keypress" keycode="VK_INSERT" modifiers="control" command="cmd_copy"/>
      <handler event="keypress" keycode="VK_INSERT" modifiers="shift" command="cmd_paste"/>
      <handler event="keypress" keycode="VK_BACK" modifiers="alt" command="cmd_undo"/>
      <handler event="keypress" keycode="VK_BACK" modifiers="alt,shift" command="cmd_redo"/>
      <handler event="keypress" keycode="VK_BACK" modifiers="control"
        command="cmd_deleteWordBackward"/>
     </handlers>
  </binding>

  <binding id="browser">
    <handlers>
#include ../browser-base.inc
      <handler event="keypress" keycode="VK_PAGE_UP" command="cmd_movePageUp"/>
      <handler event="keypress" keycode="VK_PAGE_DOWN" command="cmd_movePageDown"/>
      <handler event="keypress" keycode="VK_PAGE_UP" modifiers="shift" command="cmd_selectPageUp"/>
      <handler event="keypress" keycode="VK_PAGE_DOWN" modifiers="shift" command="cmd_selectPageDown"/>

      <handler event="keypress" keycode="VK_DELETE" modifiers="shift" command="cmd_cut"/>
      <handler event="keypress" keycode="VK_DELETE" modifiers="control" command="cmd_deleteWordForward"/>
      <handler event="keypress" keycode="VK_INSERT" modifiers="control" command="cmd_copy"/>
      <handler event="keypress" keycode="VK_HOME" command="cmd_beginLine"/>
      <handler event="keypress" keycode="VK_END" command="cmd_endLine"/>
      <handler event="keypress" keycode="VK_HOME" modifiers="control" command="cmd_scrollTop"/>
      <handler event="keypress" keycode="VK_END" modifiers="control" command="cmd_scrollBottom"/>
      <handler event="keypress" keycode="VK_HOME" modifiers="shift,control" command="cmd_selectTop" />
      <handler event="keypress" keycode="VK_END" modifiers="shift,control" command="cmd_selectBottom" />

      <handler event="keypress" keycode="VK_LEFT" modifiers="control" command="cmd_wordPrevious" />
      <handler event="keypress" keycode="VK_RIGHT" modifiers="control" command="cmd_wordNext" />
      <handler event="keypress" keycode="VK_LEFT" modifiers="control,shift" command="cmd_selectWordPrevious" />
      <handler event="keypress" keycode="VK_RIGHT" modifiers="control,shift" command="cmd_selectWordNext" />
      <handler event="keypress" keycode="VK_LEFT" modifiers="shift" command="cmd_selectCharPrevious" />
      <handler event="keypress" keycode="VK_RIGHT" modifiers="shift" command="cmd_selectCharNext" />
      <handler event="keypress" keycode="VK_HOME" modifiers="shift" command="cmd_selectBeginLine" />
      <handler event="keypress" keycode="VK_END" modifiers="shift" command="cmd_selectEndLine" />
      <handler event="keypress" keycode="VK_UP" modifiers="shift" command="cmd_selectLinePrevious" />
      <handler event="keypress" keycode="VK_DOWN" modifiers="shift" command="cmd_selectLineNext" />
      <handler event="keypress" key="y" modifiers="accel" command="cmd_redo"/>
    </handlers>
  </binding>

  <binding id="editor">
    <handlers>
#include ../editor-base.inc
      <handler event="keypress" key="a" command="cmd_selectAll" modifiers="accel"/>
      <handler event="keypress" keycode="VK_DELETE" modifiers="shift" command="cmd_cutOrDelete"/>
      <handler event="keypress" keycode="VK_DELETE" modifiers="control" command="cmd_deleteWordForward"/>
      <handler event="keypress" keycode="VK_INSERT" modifiers="control" command="cmd_copy"/>
      <handler event="keypress" keycode="VK_INSERT" modifiers="shift" command="cmd_paste"/>
      <handler event="keypress" keycode="VK_BACK" modifiers="alt" command="cmd_undo"/>
      <handler event="keypress" keycode="VK_BACK" modifiers="alt,shift" command="cmd_redo"/>
      <handler event="keypress" keycode="VK_LEFT" modifiers="accel" command="cmd_wordPrevious"/>
      <handler event="keypress" keycode="VK_RIGHT" modifiers="accel" command="cmd_wordNext"/>
      <handler event="keypress" keycode="VK_LEFT" modifiers="shift,accel" command="cmd_selectWordPrevious"/>
      <handler event="keypress" keycode="VK_RIGHT" modifiers="shift,accel" command="cmd_selectWordNext"/>
      <handler event="keypress" keycode="VK_HOME" modifiers="shift,control" command="cmd_selectTop"/>
      <handler event="keypress" keycode="VK_END" modifiers="shift,control" command="cmd_selectBottom"/>
      <handler event="keypress" keycode="VK_HOME" modifiers="control" command="cmd_moveTop"/>
      <handler event="keypress" keycode="VK_END" modifiers="control" command="cmd_moveBottom"/>
      <handler event="keypress" keycode="VK_BACK" modifiers="control"
        command="cmd_deleteWordBackward"/>

      <handler event="keypress" keycode="VK_HOME" command="cmd_beginLine"/>
      <handler event="keypress" keycode="VK_END" command="cmd_endLine"/>
      <handler event="keypress" keycode="VK_HOME" command="cmd_selectBeginLine" modifiers="shift"/>
      <handler event="keypress" keycode="VK_END" command="cmd_selectEndLine" modifiers="shift"/>
      <handler event="keypress" keycode="VK_PAGE_UP" command="cmd_movePageUp"/>
      <handler event="keypress" keycode="VK_PAGE_DOWN" command="cmd_movePageDown"/>
      <handler event="keypress" keycode="VK_PAGE_UP" modifiers="shift" command="cmd_selectPageUp"/>
      <handler event="keypress" keycode="VK_PAGE_DOWN" modifiers="shift" command="cmd_selectPageDown"/>
      <handler event="keypress" key="y" modifiers="accel" command="cmd_redo"/>
    </handlers>
  </binding>
</bindings>