Yettwasezmel 4 ɣef 5 n yetran

Thanks LouvaAhmar for the instructions. The extension now works normally in Thunderbird 6. I don't know why they don't make the ability to change writing direction built in. There are many users who needs this ability.

Aseqdac-agi ɣur-s acegger yezrin n uzegrir-agi.