82     def _substitute_html_entity(cls, matchobj):  argument
83         entity = cls.CHARACTER_TO_HTML_ENTITY.get(matchobj.group(0))
87     def _substitute_xml_entity(cls, matchobj):  argument
90         entity = cls.CHARACTER_TO_XML_ENTITY[matchobj.group(0)]
131     def substitute_xml(cls, value, make_quoted_attribute=False):  argument
144         value = cls.AMPERSAND_OR_BRACKET.sub(
145             cls._substitute_xml_entity, value)
148             value = cls.quoted_attribute_value(value)
153         cls, value, make_quoted_attribute=False):  argument
166         value = cls.BARE_AMPERSAND_OR_BRACKET.sub(
167             cls._substitute_xml_entity, value)
170             value = cls.quoted_attribute_value(value)
174     def substitute_html(cls, s):  argument
185         return cls.CHARACTER_TO_HTML_ENTITY_RE.sub(
186             cls._substitute_html_entity, s)
265     def strip_byte_order_mark(cls, data):  argument
291     def find_declared_encoding(cls, markup, is_html=False, search_entire_document=False):  argument
771     def detwingle(cls, in_bytes, main_encoding="utf8",  argument
804             if (byte >= cls.FIRST_MULTIBYTE_MARKER
805                 and byte <= cls.LAST_MULTIBYTE_MARKER):
808                 for start, end, size in cls.MULTIBYTE_MARKERS_AND_SIZES:
812             elif byte >= 0x80 and byte in cls.WINDOWS_1252_TO_UTF8:
819                 byte_chunks.append(cls.WINDOWS_1252_TO_UTF8[byte])