cortav  Diff

		elseif c == start then
			depth = depth + 1
		elseif c == stop then
			depth = depth - 1
			if depth == 0 then
				return s:sub(1+#start, p.byte - #stop), p.byte -- FIXME
			elseif depth < 0 then
				ss.str.exn('out of place %s', stop):throw()
			end
		end
	end

	ss.str.exn('[%s] expected before end of line', stop):throw()
end

		elseif c == start then
			depth = depth + 1
		elseif c == stop then
			depth = depth - 1
			if depth == 0 then
				return s:sub(1+#start, p.byte - #stop), p.byte -- FIXME
			elseif depth < 0 then
				ss.str.exn('out of place token “%s”', stop):throw()
			end
		end
	end

	ss.str.exn('token “%s” expected before end of line', stop):throw()
end