[XeTeX] How to make hyphenation work in XeLaTeX?

[Jonathan Kew]

On 22 Jan 2007, at 9:24 am, Yves Codet wrote:
>
> Maybe you haven't recompiled your XeLaTeX format after editing
> "language.dat", to include hyphenation patterns and the above
> command. Incidentally, when I want to do that, I have to use:
> 	fmtutil --all
> I've tried:
> 	fmtutil --byfmt xelatex.fmt
> but it doesn't do anything. Does anybody know what's wrong with the
> last command?

I believe it should be simply

   fmtutil --byfmt xelatex

(just the format name, without the extension). At least, that works  
for me.

JK