Re: Two problems with directory-local variables

[Phil Sainty]

On 2018-09-17 20:08, Marcin Borkowski wrote:
> but this entry in .dir-locals.el does not work:
> ((nil . ((eval '(message "hello")))))

That is because the syntax is incorrect.  You want:

((nil . ((eval . (message "hello")))))

or equivalently, without dotted pair syntax in the eval:

((nil . ((eval message "hello"))))

Note that your version was equivalent to evaluating:

('(message "hello"))


> When I type this in .dir-locals.el:
> ((nil . ((eval (lambda () (message "hello"))))))
> it works as expected.

Indeed, as that's evaluating this form:

((lambda () (message "hello")))

Although I wouldn't recommend that over the former
syntax.


-Phil