[Xotcl] xotcl::nonposArgs

[Stefan Sobernig]

> PS: For novices the "mixture" of ::nx and ::xotcl is a bit unexpected, for
> example when serializing ::xotcl::MetaSlot on my OpenACS instance, one can
> see, that e.g. the superclass of ::xotcl::MetaSlot is ::nx::MetaSlot et
> cetera. My intuitive expectation was that both XOTcl 2 and NX exist as
> different languages within NSF, but more or less completely isolated from
> each other.

XOTcl building on NX (esp. slots) is hinted at some spots in the 
migration guide at 
https://next-scripting.org/xowiki/docs/nx/nx-migration/index1#_parameters_2.

> I suppose the reason is to keep the source code required to
> support the "legacy" XOTcl syntax as small as possible?

So it is.

Stefan