bug#32986: 27.0.50; unexpected delay in while-no-input + accept-process-output

[Eli Zaretskii]

> From: João Távora <joaotavora@gmail.com>
> Date: Tue, 9 Oct 2018 09:47:58 +0100
> Cc: 32986@debbugs.gnu.org
> 
> A final question: process input is also considered during the sit-for, 
> meaning a filter can throw to an
> enclosing tag and end it prematurely and immediately, right?

You mean, if the only input is from a subprocess?  No, I don't think
so.  Do you have evidence to the contrary?