detect_charset(T::list()) -> charset_info()
Equivalent to detect_charset(undefined, T).
detect_charset(ExtCharset::atom(), T::list()) -> charset_info()
Automatically decides character set used in XML document. charset_info() is
{auto,'iso-10646-utf-1',Content} | |
{external,'iso-10646-utf-1',Content} | |
{undefined,undefined,Content} | |
{external,ExtCharset,Content} |