[fpc-devel] Re: new 27 page document describing Unicode support in D2009

[Sergei Gorelkin]

Graeme Geldenhuys wrote:
> On Fri, Nov 21, 2008 at 11:08 PM, Graeme Geldenhuys
> <graemeg.lists at gmail.com> wrote:
>> I thought you guys might find this interesting. It's a new 27 page
>> document describing Unicode support in D2009.
>>
>> http://dn.codegear.com/article/38980
> 
> Seeing that I don't own D2009 and only read about it's Unicode support
> I found some of the information interesting - and it was things we
> argued about in this mailing list.
> 
Well, with exclusion of the "class helper for TStrings" (notable is that 
they call it a hack themselves :) the design looks rather clean. Since 
each string stores its element size, both ansi and unicode strings are 
probably handled with common set of procedures, avoiding RTL size bloat.

And they explain why there is no compiler option for switching back and 
forth.

Unfortunately, the article does not provide information about how things 
like Pos() and Copy() work with utf8 strings. However, one may 
understand words "utf-8 support is more limited than utf-16" as they 
continue to work with elements (bytes).

Regards,
Sergei