Re: [PATCH v2] Allow applying filters to summary consecutively

[Robert Pluim]

>>>>> On Tue, 11 Oct 2022 09:16:52 +0200, Andrea Monaco 
>>>>> <andrea.monaco@autistici.org> said:

    Andrea> rmail-summary-by-recipients and rmail-summary-by-topic already use 
the
    Andrea> prefix argument for every non-nil value, so I don't know how to 
proceed.
    Andrea> I applied all other changes.

The way this normally works in eg `list-packages' or gnus summary
buffers is that filtering automatically stacks: filter by x, filter by
y applies to previous results, etc, and then thereʼs a command to pop
the filtering stack.

Regards

Robert
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