It dosen't support GBK or GB2312 charset？

[warmchang]

the console print:

Traceback (most recent call last):
File "D:\Program Files\Sublime Text 3\sublime_plugin.py", line 574, in run_
return self.run(edit)
File "D:\Program Files\Sublime Text 3\Data\Packages\FormatLua\FormatLua.py", line 36, in run
s = self._run(s)
File "D:\Program Files\Sublime Text 3\Data\Packages\FormatLua\FormatLua.py", line 58, in _run
return sourcecode.decode("utf-8")
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb2 in position 13: invalid start byte