> From: Maxim Nikulin <maniku...@gmail.com> > Date: Fri, 2 Jul 2021 23:24:23 +0700 > > 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".
You don't need to imagine it, you just need to trust me that I know what I'm talking about: it would be an incompatible change. Is it possible to detect that the handler is one of those that are affected by this issue? If so, let's do that; it cannot be worse than what you suggested, or worse than the current situation.