@classmethod<EOL><INDENT>def _merge(cls, default, user):<DEDENT>
section = cls._CFG_SECTION<EOL>merged = default[section]<EOL>if section not in user:<EOL><INDENT>return merged<EOL><DEDENT>user = user[section]<EOL>for key, value in user.items():<EOL><INDENT>if key in merged:<EOL><INDENT>merged[key] += '<STR_LIT:U+0020>' + value<EOL><DEDENT>else:<EOL><INDENT>merged[key] = value<EOL><DEDENT><DEDENT>return merged<EOL>
Append user options to default options. Return yala section.