misnomers

Hi all,

There are a couple of wrong terms in the source code:

* NESTED_IBLOCK/ITAGBODY_frame_info, nest_fun, nest_env:
  I'll rename "nested" to "captured".
  Because what it does is to move values from the stack
  (where they will disappear when the stack frame is unwound)
  to other locations (where they cannot disappear, other
  than being GCed).

* How to call the result of capturing a stack frame?
  It's a simple-vector consisting of binding cells.
  The previous term "closure" is wrong (see [1]).
  I'm hesitating between
    - "a capture" - because of the verb "capture" above,
      but still a misnomer [2],
    - "a prison" - because it's a container for *cell*s,
      and contains *capture*d values.

Opinions? Objections?

Bruno

[1] https://en.wikipedia.org/wiki/Closure_(computer_programming)
[2] http://wordnetweb.princeton.edu/perl/webwn?s=capture&sub=Search+WordNet&o2=&o0=1&o8=1&o1=1&o7=&o5=&o9=&o6=&o3=&o4=&h=


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