RE: Why doesn't nconc change my variable?

[Drew Adams]

> Later, you might relax that second guideline: part of the point
> of using list-modification operations is to _share_ list
> structure (have different variables point, directly or
> indirectly) to the same cons cell.

Sorry, those parens were misplaced.  Should be this:

  Later, you might relax that second guideline: part of the
  point of using list-modification operations is to _share_
  list structure (have different variables point, directly
  or indirectly, to the same cons cell).