[fpc-pascal] FPC 3 regression: cannot use TStringList for UTF-8 data any more?

Michael Van Canneyt michael at freepascal.org
Thu Apr 14 08:52:16 CEST 2016

On Wed, 13 Apr 2016, Michael Schnell wrote:

> On 04/13/2016 09:04 AM, Michael Van Canneyt wrote:
>> It uses the DefaultSystemcodepage. If the system codepage is UTF8, then
>> it will use UTF8.
> (Sorry for replying yet another answer to the same message of yours)
> http://wiki.freepascal.org/Better_Unicode_Support_in_Lazarus says:
>> On the other hand a *String* is assumed at compile time to have 
>> /DefaultSystemCodePage/ (CP_ACP). /DefaultSystemCodePage/ is defined at run 
>> time, so the compiler conservatively assumes that /String/ and /UTF8String/ 
>> have different encodings.
> So I was wrong assuming from your message that DefaultSystemcodepage is the 
> default encoding for the type "String" (and with that for TStrings and with 
> that for TSringList).
> Now I still don't know whether/how the default encoding for the type "String 
> (which I still assume is defined when building  the compiler)

Your assumption is wrong. 
The default encoding for the string type is determined at run-time, not at compile time.


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