JLS bug (unicode escapes)?

[Reinier Zwitserloot]

For some reason I didn't scroll down far enough and see the explanation for
this. Apologies for bothering all of you with this.

--Reinier Zwitserloot



On Thu, Jan 7, 2010 at 4:15 PM, Peter Jones <pcj at roundroom.net> wrote:

> On Thu, Jan 7, 2010 at 6:48 AM, Reinier Zwitserloot
> <reinier at zwitserloot.com> wrote:
> > Am I reading this:
> >
> > http://java.sun.com/docs/books/jls/third_edition/html/lexical.html#3.3
> >
> > correctly?
> >
> > A UnicodeMarker seems to be defined as, in regexp terms: "u+" instead of
> the
> > expected "u". So, that would mean:
> >
> > \uuuuuuuuuuuuuuuuuuuuuuu0041  will still turn into "A" just like \u0041
> > would. What on earth is the thinking behind this?
> >
> > Amazingly, I tested this in javac and it actually works:
> > System.out.println("\uuuuuuuu0041"); will print 'A' to stdout. At the
> very
> > least the descriptive text in chapter 3.3 should highlight this oddity.
>
> The descriptive text in section 3.3 does describe the thinking for
> this, in the two paragraphs starting with, "The Java programming
> language specifies a standard way of transforming a program written in
> Unicode into ASCII...".
>
> -- Peter
>