Re: Macro expansion containing ‘interactive’

[Lars Ingebrigtsen]

Stefan Monnier via Users list for the GNU Emacs text editor
<help-gnu-emacs@gnu.org> writes:

>> In an attempt to create a compatibility wrapper for the new optional mode
>> list parameter of ‘interactive’ I am facing difficulties. The definition
>> looks like this:
>
> `interactive` is not a special form.  Just like docstrings, it's a part
> of the syntax of `lambda`, so you need to define a `foo-lambda` if you
> want it to work reliably.

Yup.  When doing code that needs to be backwards-compatible here, it's
better to use a declare form instead:

(defun foo ()
  (declare (modes dired-mode))
  (interactive)
  ...)

-- 
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   bloggy blog: http://lars.ingebrigtsen.no