Re: Windows emacs-25.1 i686 vs x86_64?

[Eli Zaretskii]

> Date: Mon, 7 Nov 2016 15:22:28 -0500
> From: "Perry E. Metzger" <address@hidden>
> Cc: address@hidden
> 
> I think deliberately breaking it seems like it would be antisocial,
> but going through substantial trouble (that is, say, holding back
> some sort of improved functionality) to make sure it keeps working
> also seems unreasonable.

We never do the latter.  If some functionality cannot work on old
Windows systems, there's a runtime test which disables the feature on
those systems, with some suitable return value or error message.

This has been the Emacs practice for years.