#26 Esc <2,7,8,9 and 0> doesn't get sent correctly

[Anonymous]

Steps to reproduce:
options/operation keyboard/left alt key: Set to "Esc <x>". Now pressing alt+2,5,7,8,9 or 0 doesn't get sent at all or they're sent incorrectly. Other combinations seem to work, though I only tested numbers and "qwertyuiop".
CLR : 2.0.50727.832
WinXP SP2