Token returns the next XML token in the input stream. At the end of the input stream, Token returns nil, io.EOF.

Slices of bytes in the returned token data refer to the parser's internal buffer and remain valid only until the next call to Token. To acquire a copy of the bytes, call CopyToken or the token's Copy method.

Token expands self-closing elements such as <br/> into separate start and end elements returned by successive calls.

Token guarantees that the StartElement and EndElement tokens it returns are properly nested and matched: if Token encounters an unexpected end element or EOF before all expected end elements, it will return an error.

Token implements XML name spaces as described by Each of the Name structures contained in the Token has the Space set to the URL identifying its name space when known. If Token encounters an unrecognized name space prefix, it uses the prefix as the Space rather than report an error.