2009/11/25 Mark Lentczner ma...@glyphic.com:
The current version of Unicode is 5.1. This text is now in D90, though
otherwise the same. My references below are to the 5.1 documents (freely
available on line at: http://www.unicode.org/versions/Unicode5.1.0/ )
It's been 5.2 for over a month
On Nov 18, 2009, at 7:28 AM, Manlio Perillo wrote:
The Unicode Standard (version 4.0, section 3.9, D31 - pag 76) says:
Because surrogate code points are not included in the set of Unicode
scalar values, UTF-32 code units in the range D800 .. DFFF are
ill-formed
The current version
Hi.
The Unicode Standard (version 4.0, section 3.9, D31 - pag 76) says:
Because surrogate code points are not included in the set of Unicode
scalar values, UTF-32 code units in the range D800 .. DFFF are
ill-formed
However GHC does not reject this code units:
Prelude print '\xD800'
Enforcing a gap in the middle of the range of Char would be exceedingly
awkward to propagate through all of the libraries. Off the top of my head:
1.) Functions like succ and pred which currently work on Char as an
enumeration would have to jump over the gap, to be truly anal retentive
about the
