[O] [PATCH] Re: Publishing problem on Worg due to babel intro

[Thomas S. Dye]

Adds a line to the manual specifying this requirement.

Tom

>From 5ee660db5f5f4fbaac13ac3787c6e4bca3d2abeb Mon Sep 17 00:00:00 2001
From: Tom Dye <address@hidden>
Date: Fri, 19 Aug 2011 06:27:11 -1000
Subject: [PATCH] * doc/org.texi: :var requires default value when declared

---
 doc/org.texi |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/doc/org.texi b/doc/org.texi
index f7ac82e..f0a363b 100644
--- a/doc/org.texi
+++ b/doc/org.texi
@@ -12200,7 +12200,8 @@ these are addressed in the language-specific 
documentation.  However, the
 syntax used to specify arguments is the same across all languages.  The
 values passed to arguments can be literal values, values from org-mode tables
 and literal example blocks, the results of other code blocks, or Emacs Lisp
-code---see the ``Emacs Lisp evaluation of variables'' heading below.
+code---see the ``Emacs Lisp evaluation of variables'' heading below.  In
+every case, variables require a default value when they are declared.
 
 These values can be indexed in a manner similar to arrays---see the
 ``indexable variable values'' heading below.
-- 
1.7.1

Eric Schulte <address@hidden> writes:

> address@hidden (Thomas S. Dye) writes:
>
>> Christian Egli <address@hidden> writes:
>>
>>> Hi all
>>>
>>> I enhanced the taskjuggler tutorial on worg. However the fix is not
>>> published as there is a problem with the intro page for Babel[1] (see
>>> also the publishing report[2]). The page also fails if I try to publish
>>> it locally with the following error message:
>>>
>>> mapc: Wrong type argument: consp, nil
>>>
>>> I don't understand where the problem is with this page but I'd
>>> appreciate if any of the authors (Eric, Dan, Tom) or anyone else could
>>> look into it.
>>>
>>> Thanks
>>> Christian
>>>
>>> Footnotes: 
>>> [1]  http://orgmode.org/worg/org-contrib/babel/intro.html
>>> [2]  http://orgmode.org/worg/publishing.txt
>>
>> Yes, something is wrong here.
>>
>> Pressing C-c C-c on this line raises the error:
>>
>> #+call: square(x=6)
>>
>> If I change the square source block from: 
>>
>> #+srcname: square(x)
>> #+begin_src python
>>   return x*x
>> #+end_src
>>
>> to:
>>
>> #+srcname: square(x=1)
>> #+begin_src python
>>   return x*x
>> #+end_src
>>
>> then the error goes away, but it is raised later in the export,
>> presumably on another code block.
>>
>
> When writing a code block *all* variables require a default value.  I've
> added default values to all of the variables in this file and it now
> exports as expected.
>
> Cheers -- Eric
>
>>
>> hth,
>> Tom

-- 
Thomas S. Dye
http://www.tsdye.com