[m-rev.] for post-commit review: announce unicode escape sequences

[Julien Fischer]

On Mon, 6 Jun 2011, Ian MacLarty wrote:

> On Mon, Jun 06, 2011 at 12:14:55AM +1000, Julien Fischer wrote:
>>
>> For post-commit review by anyone.
>>
>> Branches: main
>>
>> NEWS:
>> 	Announce the \u and \U escape sequences for Unicode characters
>> 	in string literals.
>>
>> Julien.
>>
>> Index: NEWS
>> ===================================================================
>> RCS file: /home/mercury/mercury1/repository/mercury/NEWS,v
>> retrieving revision 1.582
>> diff -u -r1.582 NEWS
>> --- NEWS	2 Jun 2011 07:20:53 -0000	1.582
>> +++ NEWS	5 Jun 2011 14:08:59 -0000
>> @@ -8,6 +8,12 @@
>>
>>  * The `char' type now represents a Unicode code point.
>>
>> +* Unicode characters can now be encoded in string literals using an
>> +  escape sequence.  The escape sequence \uXXXX (or \UXXXXXXXX), where XXXX
>> +  (or XXXXXXXX) is a Unicode character code in hexadecimal, is replaced with
>> +  the corresponding Unicode character.  The UTF-8 encoding is used to represent
>> +  the Unicode character.
>> +
>
> That last sentence only applies to the C backends.  Is it necessary
> anyway?  Obviously the unicode character is going to be represented in
> whatever encoding is used for strings on the current backend.

I've deleted the last sentence.

Julien.
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