Richie,
The R language definition [1] says (10.3.1):
\Unnnnnnnn \U{nnnnnnnn}
(where multibyte locales are supported and not on Windows, otherwise
an error). Unicode character with given hex code – sequences of up to
eight hex digits.
Best,
Mark
[1] http://cran.r-project.org/doc/manuals/r-release/R-lang.html
http://www.markvanderloo.eu
-------------------------------------------------------------------
If you cannot quantify it,
you don't know what you're talking about
On Thu, Dec 4, 2014 at 8:00 PM, Richard Cotton <richiero...@gmail.com> wrote:
> If I type a character using \U syntax that has more than 4 digits, I
> get the wrong character. For example,
>
> "\U1d4d0"
>
> should print a mathematical bold script capital A. See
> http://www.fileformat.info/info/unicode/char/1d4d0/index.htm
>
> On my machine, it prints the Hangul character corresponding to
>
> "\Ud4d0"
> http://www.fileformat.info/info/unicode/char/d4d0/index.htm
>
> It seems that the hex-digit part is overflowing at 16^4.
>
> I tested this on R3.1.2 and devel (2014-12-03 r67101) x64 under
> Windows. I played around with Sys.setlocale and options("encoding"),
> but couldn't get the expected value.
>
> Can others reproduce this? It feels like a bug, but experience tells
> me I probably have something silly going on with my setup.
>
> --
> Regards,
> Richie
>
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