bug#48781: adaptive-wrap.el (elpa): Enable lexical binding

[Stefan Monnier]

>> To the extent that the code doesn't take advantage of lexical scoping,
>> it doesn't matter because it will still work just as well as before on
>> Emacs<24.
> Sure; I was just concerned that somebody might take that as a sign to
> add non-compatible code to lexical-bound files (like closures and other
> nice stuff) in indeed backwards compatibility beyond Emacs 24 was an
> issue (which it doesn't really seem to be).

AFAIK the desired compatibility for adaptive-wrap is not clearly known.
It hasn't been a problem so far, and if/when it turns into a problem it
should be easy to address ;-)


        Stefan