Re: RCS: (vc-next-action 1) only New Backend

[Eli Zaretskii]

> Cc: address@hidden, address@hidden, address@hidden
> From: Dmitry Gutov <address@hidden>
> Date: Sat, 19 Sep 2015 22:44:59 +0300
> 
> On 09/19/2015 08:49 PM, Eli Zaretskii wrote:
> 
> > I think an optional argument that any back-end is free to ignore has a
> > very low (though non-zero) cost.
> 
> Either way, it's inappropriate, considering that so few backends support 
> this. The only reason to have it is to try to preserve the feature that 
> some users rely on.

I don't see how it could be "inappropriate".  Different back-ends have
different features, and you cannot always have unified APIs without
losing some features, unless you accept the notion of optional
arguments that some back-ends will ignore.