GNU bug report logs - #32064
26; doc string of `eval-last-sexp'

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From: Noam Postavsky <npostavs <at> gmail.com>
To: Drew Adams <drew.adams <at> oracle.com>
Cc: 32064 <at> debbugs.gnu.org
Subject: bug#32064: 26; doc string of `eval-last-sexp'
Date: Thu, 05 Jul 2018 20:23:08 -0400

Drew Adams <drew.adams <at> oracle.com> writes:

> This is all a confusing mess, I'm afraid.  And the code (e.g. of
> `eval-last-sexp' and its helper `elisp--eval-last-sexp') is not very
> clear either.

I agree.  I think the solution is to simplify the interface somewhat.
As it stands, we're trying to cram a lot of functionality into the
prefix argument, and the encoding is too difficult to remember (both in
terms of implementing & documenting, as well as for using).

Instead, we should have something like this:

No prefix: echo with default formatting (like now)
C-u: insert result into buffer, no alternate integer formatting (like now)
C-u C-u: query user for detailed formatting options individually

And that's it, no clever handling of 0 vs negative number vs `-', etc

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