[m-rev.] for review: add some unicode support to Mercury

[Ian MacLarty]

On Wed, Jul 19, 2006 at 04:01:57PM +1000, Peter Moulder wrote:
> On Wed, Jul 05, 2006 at 12:24:25AM +1000, Ian MacLarty wrote:
> 
> > +The sequence @samp{\x} introduces
> >  a hexadecimal escape; it must be followed by a sequence of hexadecimal
> >  digits and then a closing backslash.  It is replaced
> >  with the character whose character code is identified by the hexadecimal
>             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> I suggest changing to `byte whose value', to clarify that e.g. \xa0\ is
> replaced by just one byte rather than being equivalent to \u00a0.
> 

Actually that's not such a good idea, because on the Java and IL
backends each characters is two bytes.

Ian.
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