Re: Lexical binding: why?

[Stefan Monnier <monnier@iro.umontreal.ca>]

> Just in passing, the Elisp manual doesn't seem to be as helpful as it
> might be, here.  It doesn't positively recommend using lexical binding
> in new programs, for example.

Thanks for the heads up.

> Just in passing2, it seems to be difficult to enable lexical binding
> conditionally.  The best that I can come up with is something like:
>
> -*- eval: (setq lexical-binding (> emacs-major-version 25)) -*-

Hmm... why do you need that?  Is that because of a performance problem
in Emacs-24's lexical-binding support (likely the one that affects
condition-case and friends)?


        Stefan