bug#51173: 28.0.60; gnus-article-describe-key doesn't work

[Juri Linkov]

>>>> OTOH we should probably try and change the `key` arg to use the new
>>>> key-list format expected by `describe-key` (i.e. a list of (SEQ
>>>> . RAW-SEQ) pairs).
>>>
>>> `gnus-article-describe-key` just passes down the value
>>> that `read-key-sequence` returns.
>>
>> I know.  This is the old calling convention of `describe-key`; we
>> should move to the new one.
>
> Is seems everything is covered by this patch:

So this is pushed now.