[orca-list] First line of messages in Thunderbird not displayed in braille

[Jason White <jason jasonjgw net>]

Steps to reproduce:


1. In the Thunderbird message index (with focus obviously on a message), 
press enter to open the message in a new window.

Expected result: the first line of the body of the message should be 
displayed in braille.

Actual result: the cursor occupies the first cell on the braille line, 
as it should, but the line is otherwise blank. Using the "speak current 
line" command works around it.