- namespace changes: mostly due to marketing reasons, the naming of the top-level namespace changed from "xotcl2" to "next". reasons: xotcl is hard to pronounce for beginners, sounds like "exotic" (but who wants to program in an exotic language) has a certain stigma of strange namings (e.g. "instproc"), is seen as a precursor of tcloo, the top-level namespace ::xotcl2:: is not very nice either, the separation of framework and language is not clear. We have now: ::next (the new object system, former ::xotcl2) ::next::core (framework, primitives) ::xotcl (former xotcl1)
- "::xotcl::use" no longer needed, use Tcl standard mechanisms instead (e.g. "package req next"; "package req XOTcl", "namespace import ::next*")
- Unified on c-level "info class-mixin-of" and "info object-mixin-of" to "info mixinof ?-scope all|object|class? ?-closure? ?pattern? The former "info class-mixin-of" is now "info mixinof -scope class" - adapted xotcl1 layer for this change - extended experimental ::xotcl::is2 to handle flags -type and -hasmixin ::xotcl::is2 <obj> object ?-type <type>? ?-hasmixin <class>?