bug#17446: 24.4.50; What is the situation around `called-interactively-p'?

[Stefan Monnier]

> I still don't understand how this would be able to call interactively
> something like:

> (count-words-region 234 567 nil)

The code I showed takes an interactive function with some args, rips the
function apart to rebuild a new one whose interactive spec just returns
those args.
If the function is a symbol, then recurse on (symbol-function fun).


        Stefan