Combining capabilities: Rework the "see its own fields" wording of viewpoint adaptation.

Explanation below:

While it is true that access to receivers and fields will follow this, in that this is just a normal variable, I feel this outlook could be confusing when understood with receiver recovery, and changing of capabilities.

A reader might conclude or speculate that a variable with type iso, can only see its own contents with those viewpoints, but the notion of an object accessing itself is most closely aligned with calling a function (or behavior). Since this will almost certainly be fun ref and fun box, the reader may become confused by reading it as though it would apply to those functions on iso variables.

I'm not implying that it would be sensible to conclude that, but that a reader may get confused that that would seem to be implied.

ponylang / pony-tutorial

Combining capabilities: Rework the "see its own fields" wording of viewpoint adaptation. #443