[XeTeX] Strange hyphenation with polyglossia in French

[Arthur Reutenauer]

> On the other hand, why not do it right? "0027 is some ASCII single-high-vertical-short-line which was used in the middle-ages of text input to mean apostrophe, single quotation mark, prime, etc. Now that we have gone way past the french revolution (pun intended), why not enter those characters as they deserve? I find myself not using tex-text.map anymore, since terminals and editors can properly display all those nice glyphs directly.

  But the overwhelming majority of users still type in the ASCII quote
sign and this situation has to be taken in account -- at least by Mojca
and me who maintain the hyphenation patterns.  A change that would break
the setup of almost all users is not acceptable.

	Arthur