[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: How check when symbol is introduced in Emacs?
|
From: |
Eli Zaretskii |
|
Subject: |
Re: How check when symbol is introduced in Emacs? |
|
Date: |
Wed, 19 Jan 2011 10:19:27 -0500 |
> From: Oleksandr Gavenko <gavenko@bifit.com.ua>
> Date: Wed, 19 Jan 2011 12:23:59 +0200
>
> Usually I get Error with previous Emacs version when symbol is undefined.
>
> To workaround I use code like:
>
> (when (or (>= emacs-major-version 23)
> (and (= emacs-major-version 22) (>=
> emacs-minor-version 2)))
> (setq 'symb val)
> )
>
> But I must know low limit of version to get better code.
Why not use `boundp'?