Adds a line to the manual specifying this requirement. Tom
>From 5ee660db5f5f4fbaac13ac3787c6e4bca3d2abeb Mon Sep 17 00:00:00 2001 From: Tom Dye <t...@tsdye.com> 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 <schulte.e...@gmail.com> writes: > t...@tsdye.com (Thomas S. Dye) writes: > >> Christian Egli <christian.e...@sbs.ch> 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
