This fix Numpad5 in Internet Explorer 11 if numlock state of host differs with numlock state of
VNC console.
// 2.5. Editing Keys
addStandard("Backspace", KeyTable.XK_BackSpace);
-addStandard("Clear", KeyTable.XK_Clear);
+addNumpad("Clear", KeyTable.XK_Clear, KeyTable.XK_KP_Begin);
addStandard("Copy", KeyTable.XF86XK_Copy);
// - CrSel
addStandard("Cut", KeyTable.XF86XK_Cut);
0x63: 'Numpad3',
0x64: 'Numpad4',
0x65: 'Numpad5',
+ 0x0c: 'Numpad5', // IE11 sends evt.keyCode: 12 when numlock is off
0x66: 'Numpad6',
0x67: 'Numpad7',
0x68: 'Numpad8',