bug#40573: 27.0.90; flymake-mode broken in scratch buffer

[Eli Zaretskii]

> From: João Távora <joaotavora@gmail.com>
> Date: Fri, 17 Apr 2020 11:07:15 +0100
> Cc: Stefan Monnier <monnier@iro.umontreal.ca>, Juri Linkov <juri@linkov.net>, 
> 40573@debbugs.gnu.org, 
>       Dmitry Gutov <dgutov@yandex.ru>
> 
> 1. do we have a starting idea of which of those are mode-generated
> and which of those are user-generated? And which can be either?

Grepping our own sources for "~/" might be a good starting point.

> 2. do we need to decide on this, admittedly nice-to-have behaviour,
> before introducing the new major mode?

We don't need to, but it would be nice if that was supported from the
get-go (assuming it's needed).

> Shouldn't we just take a "best-effort" approach here?

I think you will find that opinions differ on what is "best effort" in
this context.  Which is completely fine, we don't need to agree on
such issues.