Python bytecode compatibility between interpreter versions

[Jon Perez]

Terry Reedy wrote:

> The CPython VM is intentionally underdocumented and intentionally not part
> of the language spec.  It is still being developed and might radically
> change in the future.  There will probably be minor changes in the next
> release as a result of experiments designed to find combinations of codes
> that dependably run faster on all major platforms.  However, the current
> byte code is described in the Library Ref as part of the doc for the dis
> (assembly) module.

This is the answer I was looking for... :-)  Thanks, Terry.