def readline(self, size=None):
Add support for Unicode.<EOL>(line, nl) = self.__buffer.read_until_nl(self.__retrieve_data)<EOL>if self.__sf.access_type_has_universal_nl and nl is not None:<EOL><INDENT>self.__newlines[nl] = True<EOL><DEDENT>return line<EOL>
Read a single line of text with EOF.