But will there be new xml code? If there isn't, then we'll be back in proprietary land in a few years.>various big companies will tell their customers to ignore the failed experiment of markup standards and>stick with their proprietary solutionsThat won't happen. There is too much existing working XML code.>... and pretty soon we'll have a situation that would make the XML 1.0 / 1.1 compatibility problems look>trivial by comparison.Or we have a variety of public and private solutions to specific problems whose costs are borne by
those who specify and implement the solutions to these. Meanwhile, the existing XML code keeps working.And the downside is?