Re: Odd unused yank-handler arguments

[Stefan Monnier]

> 2. However, why not give the reason for the change?

Reduce complexity.

> Perhaps the reason is that those functions should never have had such
> an arg.  Or perhaps it is that they no longer need it.  Or that no
> existing code using them uses the arg.  Or...

IIUC the yank-handler code evolved a bit before finding its meaning, and
those args are left overs from this process: they seemed like a good
idea at the time, but in the end all we really care about and need is
the `yank-handler' property.

> Removing an arg is like adding an arg. What's the reason?

Maintenance.


        Stefan