The root cause of this problem is that English print does not use different
characters for an apostrophe and for the semantically distinct right single
quote whereas English braille does. This statement is true whether or not
the print document is using so-called "smart" quotes. The solution requires
identifying the print semantics but there are not to my knowledge any
algorithms that can always correctly do so. There are various heuristics
that work fairly well. It should be feasible to develop a simple app that
could be applied to a print document that works rather like a spell checker
in that it saves human time by only querying a human when it is uncertain.
Susan Jolly
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