Re: Possible Calc support for Org-Babel?

From: "Sébastien Vauban" <wxhgmqzgwmuf-geNee64TY+gS+FvcfC7Uqw@public.gmane.org>
To: emacs-orgmode-mXXj517/zsQ@public.gmane.org
Subject: Re: Possible Calc support for Org-Babel?
Date: Thu, 04 Nov 2010 17:02:45 +0100	[thread overview]
Message-ID: <80hbfx5b6i.fsf@mundaneum.com> (raw)
In-Reply-To: 87wrotgl33.fsf@gmail.com

Eric,

"Eric Schulte" wrote:
> Sébastien Vauban <wxhgmqzgwmuf-geNee64TY+gS+FvcfC7Uqw@public.gmane.org> writes:
>
>> There must be something stupid in my config, but even a simple one like the
>> following does not work for me:
>>
>> #+begin_src calc
>> 1
>> 2
>> '+
>> #+end_src
>>
>> Error is:
>>
>> #+begin_src emacs-lisp
>> executing Calc code block...
>> calc-push-list: Symbol's value as variable is void: calc-command-flags
>> #+end_src
>>
>> Though, I confirm you that I have loaded both =calc= and =ob-calc=... Any idea?
>
> That variable is defined in my version of calc.el (distributed with the
> latest version of Emacs from git).  Is that variable not defined in your
> calc.el file?  Maybe the solution is to upgrade your calc.

I have "GNU Emacs 23.1.50.1 (i386-mingw-nt5.1.2600) of 2009-10-14 on
LENNART-69DE564 (patched)" (known as EmacsW32, latest version that Lennart put
online).

Library is file "c:/Program Files/Emacs/emacs/lisp/calc/calc.elc", and I see
(on line 1544 of the =.el= file):

#+begin_src emacs-lisp
(defvar calc-command-flags)
#+end_src

ELC seems well compiled from that EL, as times report:

--8<---------------cut here---------------start------------->8---
  -rw-rw-rw-  1 Fabrice Aucun 138805 2009-10-14 02:45 calc.el
  -rw-rw-rw-  1 Fabrice Aucun 103841 2009-10-14 02:46 calc.elc
--8<---------------cut here---------------end--------------->8---

Setting it myself to nil -- I have no idea why I must do this! -- :

#+begin_src emacs-lisp
(setq calc-command-flags nil)
#+end_src

has the effect that many examples now work.

Not all, though. For example,

#+begin_src calc
2*e
#+end_src

returns =nil=:

#+results:
: nil

Best regards,
  Seb

-- 
Sébastien Vauban

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