> I have been through the introduction and first
> chapter correcting the mistaken hyphenations by hand.
Please don't do that, it is a total waste of your own time. There is
a bug in Polyglossia. It needs to be fixed, but for the time being it's
enough if you add the following two lines just before the start of the
English text:
\lefthyphenmin=2
\righthyphenmin=3
That will prevent XeTeX from trying to hyphenate after the first character
of words, and before the last two characters.
Arthur
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