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bug#13800: 24.3.50; About an example in "(elisp) Writing Emacs Primitive
From: |
Eli Zaretskii |
Subject: |
bug#13800: 24.3.50; About an example in "(elisp) Writing Emacs Primitives" |
Date: |
Sun, 24 Feb 2013 17:05:09 +0200 |
> Date: Sun, 24 Feb 2013 14:55:48 +0800
> From: Xue Fuqiao <xfq.free@gmail.com>
>
>
> In (info "(elisp) Writing Emacs Primitives"):
>
> INTERACTIVE
> This is an interactive specification, a string such as might be
> used as the argument of `interactive' in a Lisp function. In the
> case of `or', it is 0 (a null pointer), indicating that `or'
> cannot be called interactively. A value of `""' indicates a
> function that should receive no arguments when called
> interactively. If the value begins with a `(', the string is
> evaluated as a Lisp form. For examples of the last two forms, see
> `widen' and `narrow-to-region' in `editfns.c'.
>
> In the last sentence, neither the INTERACTIVE of the example primitive
> `widen' nor `narrow-to-region' begins with a `('. I think
> `narrow-to-region' should be replaced by primitives like `insert-char'
> instead.
And then, a few years later, someone else will say that the same
happened with insert-char, yes?
I'd rather suggest to remove any references to the sources, as that is
a source of constant maintenance pains and inaccuracies in the docs.
Instead, I suggest to add to the manual an example of such a DEFUN
declaration.