{	name = 'markup.heading.mediawiki';
					match = '^=+(?=\s*$)';
				},
				{   name = 'markup.heading.mediawiki';
				    comment = '
				    This matches lines which begin and end with some
				    number of “=” marks.  If they are mismatched, then
				    interior “=” marks will be treated as invalid.
				    ';
				    begin = '^(=+)(?=.*\1\s*$)';
				    end = '\1\s*$';
				    patterns = (
				        {   name = 'invalid.illegal.extra-equals-sign.mediawiki';
				            match = '=';
				        },
				        {   include = '#inline'; },
				    );
				},