[fpc-devel] Unicode support (again)

Jonas Maebe jonas.maebe at elis.ugent.be
Tue Nov 11 10:57:17 CET 2008

On 11 Nov 2008, at 09:30, Michael Schnell wrote:

>> Edit1.Caption := UTF8Encode('hallo äöü');
> Grrrrrrr, how ugly !
> No "old school" Delphi user will understand/accept that you can't  
> just do "Edit1.Caption := 'hallo äöü';"

You are mixing two things here:
a) you said that
> "Seemingly if [FPC] detects it to be UTF8 coded and a certain  
> (otherwise correct) option is set, even "s := 'hallo äöü'; " does  
> not work correctly as expected if s is a WideString"

That is apparently plain wrong and that is what I reacted to.

b) Vincent showed how in Lazarus, which is now fully based on UTF-8,  
you can work around the lack of built-in UTF-8 support in FPC, and I  
replied with a safer way (which moreover introduces less overhead --  
although it is unproductive to complain about the fact that the  
function you have to call for this is slow, because if the compiler  
does this automatically it can easily get even slower without you  
noticing because all conversions are hidden).

You don't have to convince anyone of the fact that these manual  
conversions are not an optimal situation, but please keep "existing  
functionality does not work correctly" (e.g., assigning constant  
strings to widestrings, which does work correctly under all  
circumstances) and "feature x is not implemented" (e.g., automatic  
support for UTF-8 strings at run time) clearly separated.


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