bug#23430: 25.0.93; iter-defun does not support special form save-current-buffer

[Dmitry Gutov]

On 05/07/2016 02:25 AM, Michael Heerdegen wrote:

> FWIW it's not crystal clear to me what the semantics of a supported
> `with-current-buffer' would be.  In particular: would `iter-yield' "jump
> out" of the `with-current-buffer' and restore the previous buffer, and
> would a restart of the generator change the current buffer again?

I think so, yeah. In the "rewritten" version of code, 
with-current-buffer would surround the function's body, so each time the 
function is called, with-current-buffer would be applied.

The value of point may or may not be saved and restored (this question 
also seems problematic, admittedly).