SuperTool: always use UTF-8

[kkujansuu]

Script and include files should probably always be in utf-8 format. Would help e.g. in Linux/Windows interoperability.

[patlx]

Yes, I've a lot of accent issues without it when exporting CSV:

in SuperTool:

in CSV file:

[kkujansuu]

But writing CSV files is a different thing. There is already the choice between UTF-8 and ISO-8859-1 (Latin1) when writing the CSV file.

It seems that your CSV file is indeed in UTF-8 but the program you use to read it attempts to display it e.g. in Latin1!?

[kkujansuu]

Are you on Windows? Supertool should probably use UTF-8-SIG instead of UTF-8 on Windows. That might solve the problem. I will make the change in the next version of SuperTool.