Brian Vogel <britechguy@...>
I know of almost no screen reader users who are not accustomed to using first letter navigation in the folder tree in an e-mail client, and virtually all e-mail clients support this natively, but not Thunderbird. Without the add-on, you cannot first letter navigate in your folder tree.
The tutorial states, in its intro covering this add-on: This allows you to jump from folder in the folder tree using first letter navigation to move between them.
Brian - Windows 10 Pro, 64-Bit, Version 2004, Build 19041
If your joy is derived from what society thinks of you, you're always going to be disappointed.