[orca-list] something is wrong in TB when composing a message

[José Vilmar Estácio de Souza <vilmar informal com br>]

Hi all.
To reproduce try the following using latest orca.
1. Compose a new message in TB.
2. in the body of the message use the hifen char and the Underscore char.

Instead of pass the chars to the message, orca use the chars to set the 
live region.
Thanks.

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José Vilmar Estácio de Souza