From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
To: Chunyang Xu <mail@xuchunyang.me>
Cc: emacs-orgmode@gnu.org
Subject: Re: Bug: Empty result when Emacs Lisp code block evals to nil [9.0.5 (release_9.0.5-401-g86ff11 @ /Users/xcy/src/org-mode/lisp/)]
Date: Wed, 05 Apr 2017 10:12:52 +0200 [thread overview]
Message-ID: <87shlnz30b.fsf@nicolasgoaziou.fr> (raw)
In-Reply-To: <m2zig0dv5w.fsf@xuchunyang.me> (Chunyang Xu's message of "Sat, 01 Apr 2017 23:06:35 +0800")
Chunyang Xu <mail@xuchunyang.me> writes:
> I notice that if the result is nil during executing emacs-lisp code
> block, org simply displays a empty #+RESULT block. For example,
>
> #+BEGIN_SRC emacs-lisp
> t
> #+END_SRC
>
>
> #+RESULTS: : t
>
> #+BEGIN_SRC emacs-lisp
> nil
> #+END_SRC
>
> #+RESULTS:
>
>
> I don't see why 'nil' is special than other values like 't'.
It is special because it is also how code evaluation specifies that
there is no produced output.
You may want to use :results scalar, e.g.,
#+BEGIN_SRC emacs-lisp :results scalar
nil
#+END_SRC
#+RESULTS:
: nil
Regards,
--
Nicolas Goaziou
prev parent reply other threads:[~2017-04-05 8:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-01 15:06 Bug: Empty result when Emacs Lisp code block evals to nil [9.0.5 (release_9.0.5-401-g86ff11 @ /Users/xcy/src/org-mode/lisp/)] Chunyang Xu
2017-04-05 8:12 ` Nicolas Goaziou [this message]
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