Re: Standardizing more key bindings?

[Nikolay Kudryavtsev]

Keybinding protocol would be a set of functions we expect a package 
implementing it to implement. Then package developers write protocol 
implementations and keybinding packages(and users) write protocol bindings.

So one decent example I have is minibuffer completion. Lets say I'm 
using ErgoEmacs and it expects previous element to work on F11 and next 
element on F12. But there are multiple minibuffer completion packages, 
like Ivy, Icicles, Helm and ErgoEmacs developers have to currently try 
to provide concrete bindings for whatever they choose to support.

Lets say there's a minibuffer-completion protocol:

(def-kb-protocol minibuffer-completion '(next-element))

Then keybinding system developers just have to provide bindings for that 
protocol:

(kb-protocol-bind minibuffer-completion '((F12 next-element)))

And minibuffer completion packages just have to provide implementation:

(kb-protocol-impl minibuffer-completion '((next-element ivy-next-line)))

Ideally if we provide a robust set of such protocols we can accomplish 
uniformity of common actions between different modes, but also the 
ability to do quick keybinding for the same action across a range of 
modes as long as they implement the protocol itself.

Then we just have to make sure that the bundled modes comply with the 
set of protocols we ship.

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Best Regards,
Nikolay Kudryavtsev