Hey!
I know, I am very bad at searching stuff on the internet, but I have an idea why i really would love to implement!
What about writing a dummy SAPI5 engine, which, instead of passing the text spoken to a given synthesizer would dump in into system clipboard? It would make it possible for apps that relay on SAPI to be accessible with screenreaders.
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E-Mail: nuno69a (at) gmail (dot) com