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z�Shared support for scanning document type declarations in HTML and XHTML.
This module is used as a foundation for the html.parser module. It has no
documented public API and should not be used directly.
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z ParserBase._parse_doctype_subsetc C s_ | j | | � \ } } | d k r( d S| j } d | | d � k r[ | j d | � d Sd S)Nr r r" r" r" )r& r �find)r r rK r0 r r r r r �_parse_doctype_element� s z!ParserBase._parse_doctype_elementc C s= | j } | j | | � \ } } | | | d � } | d k rE d S| d k rY | d Sx�| j | | � \ } } | d k r� | S| | | d � } | d k r� d
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z ParserBase._parse_doctype_entityc C s� | j } t | � } | | k r% d St | | � } | r� | j � } | j � } | t | � | k rl d S| j � | j � f S| j | | � | j d | | | d � � d S)Nr zexpected name token at %r� r" )Nr" r" )Nr" ) r r# �_declname_match�group�strip�lowerr* r r )r r rK r r, r/ rL r0 r r r r& x s zParserBase._scan_namec C s d S)Nr )r r. r r r r( � s zParserBase.unknown_declN)�__name__�
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