Re: Old-style backquotes in cc-vars.el

[Davis Herring]

> (defmacro defcustom-c-stylevar (name val doc &rest args)
>   "Defines a style variable."
>   (let* ((val (eval val))
>          (type (eval (list 'identity (plist-get args :type))))
>          (head (car type))
>          (tail (cdr type))
>          (newt (append (unless (plist-get tail :tag)
>                          '(:tag "Override style settings"))
>                        (unless (plist-get tail :value)
>                          `(:value ,val))
>                        tail)))

Are we sure that it's okay to do all these evaluations at macro expansion
time -- that is, do any of them depend on runtime things?  And what is
(eval (list 'identity foo))) supposed to do differently than (eval foo)?

Davis

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