bug#41988: 28.0.50; Edebug unconditionally instruments definitions with &define specs

[Philipp]

> Am 10.04.2021 um 19:29 schrieb Eli Zaretskii <eliz@gnu.org>:
> 
>> From: Philipp <p.stephani2@gmail.com>
>> Date: Sat, 10 Apr 2021 17:07:48 +0200
>> Cc: 41988@debbugs.gnu.org
>> 
>> diff --git a/etc/NEWS b/etc/NEWS
>> index a0f05d8cf1..9ae3740482 100644
>> --- a/etc/NEWS
>> +++ b/etc/NEWS
>> @@ -2524,6 +2524,9 @@ back in Emacs 23.1.  The affected functions are: 
>> 'make-obsolete',
>> 
>> ** The 'values' variable is now obsolete.
>> 
>> +** The '&define' keyword in an Edebug specification now disables
>> +backtracking.
> 
> Please add here a pointer to the ELisp manual where this is described,
> as the text otherwise is too terse to speak for itself.
> 
> Also, the heading line should be a single complete sentence, and the
> NEWS entry should be marked "+++", since the manual is being updated
> by the same changeset.

Done in commit 1d474ad69d19d01b047012734530fb4c5eb82144.