bug#56171: Request for marking DEF entry when using completing-read

[carlmarcos--- via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>]

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Jun 24, 2022, 16:14 by drew.adams@oracle.com:

>> > It is a different thing than that.  I customarily using the `up' and
>> > `down' key to move through the collection of entries.  Could there be
>> > some form of indicator (e.g. highlight, underline, some other means)
>> > that will tell me that is was selected as the default by the package
>> > designer?  Currently I see no distinction, with all entries in
>> > collection as just an entry like any other.
>>
>> Again, what's the use case?  Why do you want the default to be singled
>> out in some way?
>>
>
> I'm curious too.  I don't say it couldn't be useful,
> but I wonder what the aim is.
>
Wouldn't one normally associate a default with some sensible setting worth looking
into most times?  Perhaps this could be a user setting.  


> BTW, note that the default value (or even any of a
> list of default values) provided need not be among
> the candidates for completion, if completion is lax
> (REQUIRE-MATCH = nil).  E.g.:
>
> (completing-read "q: " '("a" "b" "c" "d")
>  nil nil nil nil "e")
>


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