{	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'; },
	);
}