bug#18764: 24.4; electric-indent in *scratch* signals an error

[Noam Postavsky]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Noam Postavsky <npostavs@gmail.com>
>> Cc: 18764@debbugs.gnu.org
>> Date: Thu, 14 Jun 2018 22:34:35 -0400
>> 
>> Not sure exactly what to do about this though.  Maybe parse-partial-sexp
>> should (optionally?) signal an error when the curlevel stack overflows?
>
> Why do we produce an error instead of just inserting the character?

I don't quite follow; the newline character has already been inserted as
far as I can tell.  Then we signal an error while trying to indent.