sysapps/runtime — pull request #11 by marcoscaceres (2013-03-12 15:06:10+00:00)
Title: The spec should discourage people from extending the manifest format.

The spec currently encourages extending the manifest format. Given that JSON does not support any mechanism for distributed extensibility (not even crappy namespaces), I think extensions to the manifest format need to be strongly discouraged (or standardised if really needed).