On 02/07/2021 19:37, Eli Zaretskii wrote:
From: Maxim Nikulin
Date: Fri, 2 Jul 2021 19:21:55 +0700
Cc: Lars Ingebrigtsen
And with other handlers, this could be an
incompatible behavior change if the handler behaves differently when
its standard handles are connected to a pipe rather than a terminal
device.
Example of such handler, please.
Why do you need one?
Because of I can not imagine such case for mailcap handler in Emacs yet
and, accordingly to you, "this could be an incompatible behavior change".