Re: [Emacs-diffs] emacs-26 ec02c73: Update process filter example (Bug#35044)

[Noam Postavsky]

On Sat, 4 May 2019 at 09:22, Stefan Monnier <address@hidden> wrote:
>
> > If it's undesirable, then we should stop doing it in the default filter.
>
> I don't think it's worth changing long-standing behavior, no.
> But showing it as an example that people may then follow is
> another issue.
>
> > But since we are currently doing it in the default filter,
> > what kind of problems is that leading to (I'm not aware of any)?
>
> The problem is that it's blunt because it applies equally to all
> markers/overlays.  It's almost always the case that it's much better to
> use `insert` and rely on your markers's insertion-type to control
> the behavior.

I just don't see how we can say it's almost always much better to use
`insert', and then use `insert-before-markers' by default.
"Do as we say, not as we do".