[tex-hyphen] hyphenation patterns with apostrophe

[Arthur Reutenauer]

> It would be nice and it would be time to solve the ignored issue with
> apostrophe. At the moment XeTeX uses U+0027 only and LuaTeX uses
> U+2019 only.

  Can you please remind us what the problem was exactly?

> I'm thinking about duplicating all the patterns in hyph-<lang>.pat.txt
> to include both U+0027 and U+2019 (that step would be done during
> conversion from hyph-<lang>.tex to hyph-<lang>.pat.txt). This doesn't
> address the issue in XeTeX yet, but it would solve it for LuaTeX.

  Why not.  Again, I can't remember the details of why it didn't work
with XeTeX, but there doesn't seem to be anything wrong with that
approach as far as patterns are concerned.

	Arthur