From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Barton <lists@wilkesley.net>
Subject: Re: Latex "Missing number, treated as zero."
Date: Mon, 02 Dec 2013 11:35:13 +0000
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References: <529B77E3.3070400@wilkesley.net> <87siucxquf.fsf@strey.biz>
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On 01/12/13 20:23, Michael Strey wrote:
> Hi Ian,
>
> lists@wilkesley.net writes:
>
>> This is a Latex problem, but I am hoping someone here can trow some
>> light on it.
>
> No, it's not a LaTeX problem.
>
>> \documentclass{scrlttr2} \usepackage[english]{babel}  [NO-DEFAULT-PACKAGES]
>
> This line is no valid LaTeX code.  As you already mentioned, if you
> remove `[NO-DEFAULT-PACKAGES]', the pdflatex run works.
>
> Please check your Emacs variable org-latex-classes.
>
> Here is what I have in this variable for my letter class:
>
> ,----
> |  ("letter_private" "\\documentclass[fontsize=11pt,strey_privat]{scrlttr2}\n\\LoadLetterOption{DIN}\n[NO-DEFAULT-PACKAGES]\n[PACKAGES]\n[EXTRA]"
> |   ("\\section{%s}" . "\\section*{%s}")
> |   ("\\subsection{%s}" . "\\subsection*{%s}")
> |   ("\\subsubsection{%s}" . "\\subsubsection*{%s}"))
> `----
>

Hi Michael,

Thanks for the help. I did have org-latex-classes set correctly. I 
discovered the cause of the problem when I found that if I let org 
generate the pdf file it worked correctly. However, if I used pdflatex, 
or xelatex from the command line on the generated tex file, I still got 
the error.

Looking at how org produces the pdf file it uses the "nonstopmode" in 
the command line arguments to pdflatex. So when I used xelatex with this 
option:

xelatex -interaction=nonstopmode test.tex

The pdf file was generated correctly. I don't think this actually fixes 
the error, but the sledgehammer approach seems to work in this case:)

Ian.