Back in the day, there was a 3.x version of Nisus Writer that was expressly made for the mobile platform (laptops then), so Nisus is certainly capable of producing such a product.  We can only hope.

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 "If English was good enough for Jesus Christ, it ought to be good enough for the children of Texas."
        "Ma" Ferguson, Texas Gov ca. 1924.
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Michael Logue                                The Grateful Union
http://www.earthguild.com/    Earth Guild: Tools Materials Books
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