>>> If I start working on this (again), I would likely change most of
>>> your code into something else, and it would take some time, because
>>> it's a difficult problem.  Would you agree with this?
>>
>> First say what you would want to change it to, and why.
> I explained it above.

Make icomplete-scroll a defcustom if you must.  Also fine with making
the x/y indicator a formattable thing.  Didn't understand what you want
to do with hooks.  Don't understand why this entails changing "most of
my code", but I'll wait for the patches.

João