Analysis of information sources in references of the Wikipedia article "Byte order mark" in English language version.
However, since the C++ source code was encoded as UTF-8 without BOM (as is usual in Linux), the Visual C++ compiler erroneously assumed that the source code was encoded as Windows ANSI.
Table 2-4. The Seven Unicode Encoding Schemes
Use of a BOM is neither required nor recommended for UTF-8, but may be encountered in contexts where UTF-8 data is converted from other encoding forms that use a BOM or where the BOM is used as a UTF-8 signature
