Subject: bug#20640: 24.5; lexical-binding should work like a normal file-local variable

From: Glenn Morris <[email-masked]>
Date: Tue, 26 May 2015 16:53:08 -0400

Stefan Monnier wrote:

>> A few years ago, we said (IIUC) it was desirable:
>> http://debbugs.gnu.org/10605
>
> Well, *you* said, but *we* didn't, IIUC.

Hah, true enough, although IMO you were a least a little more ambiguous in

>> http://lists.gnu.org/archive/html/emacs-devel/2012-01/msg00543.html

Anyway:

> For me, as long as we intend to allow running .el files without
> byte-compiling them, I think allowing lexical-binding to be specified at
> the end of the file would be a design mistake.

Even if the code were to check for "coding:" (which we already have to
scan the end of the file for) and "lexical-binding:" in the same pass?