#787 NSIS fails on UTF8 INI files with BOM

[Not Important]

If an INI file is UTF-8 and has a byte order mark (=BOM) NSIS fails to write to the beginning section.

Repro:
- Create a UTF-8 INI File with BOM in the beginning (3 bytes).
- Add a Section (e.g. [Section]) directly to the first line with your favorite UTF-8 Editor.
- Add a WriteINIStr line to the Installation ([Section] x=y).
- Check the INI file. It now has two times the [Section]. NSIS didn't reconized the beginning section.

Expected result:
- NSIS should detect the Section also if there are 3bytes-BOM at the beginning.

[Amir Szekely]

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NSIS doesn't support Unicode. We use only Windows API for INI files and if that doesn't support UTF-8, then we can't.

The Unicode version of NSIS might support it:

http://www.scratchpaper.com/