On Feb 22, 2011 1:06pm, Eric Schulte <schulte.eric@gmail.com> wrote:
> Chris Malone chris.m.malone@gmail.com> writes:
>
>
>
> > Ok, this is still perplexing me, as I have a new version from git and I
>
> > still get the error.  The following is complete list (sorry for the long
>
> > email!) of what I have done:
>
> >
>
> > * Get a fresh copy of =org-mode= from git and byte-compile:
>
> >
>
> > #+begin_src: sh
>
> >   cd ~/install/org-mode
>
> >   mkdir new_git_clone
>
> >   cd new_git_clone
>
> >   git clone git://orgmode.org/org-mode.git
>
> >   cd org-mode; make &> make.out
>
> >   ln -s ~/install/org-mode/new_git_clone/org-mode ~/install/org-mode/current
>
> > #+end_src
>
> >
>
>
>
> if you are worried that you don't have the correct version of Org-mode
>
> installed you can check the output of the `org-version' function.  Mine
>
> reads
>
>
>
> "Org-mode version 7.4 (release_7.4.510.g1e35)"
>
>

RIght - I was worried that I had possibly changed a lisp file that could be causing the error, so I wanted a fresh copy.
>
> >
>
> > During the =make= process, I noticed quite a few warnings.  An example is
>
> > below (for a complete copy of =make.out=, see
>
> > http://astro.sunysb.edu/cmalone/nolink/make.out
>
> [...]
>
> > Are such warnings normal?
>
> >
>
>
>
> yes, these are normal compiler warnings which are generally cleaned up
>
> before releases but shouldn't have any negative impact on the behavior
>
> of Org-mode
>
>

Ok, good to know.

>
> >
>
> > * Make sure my =.emacs= file is pointing to the correct location
>
> > Here is a copy of the =org-mode=-relevant sections of my =.emacs= file:
>
> >
>
> [...]
>
> >
>
> > * Attempt an export of the =org-mode= file found here:
>
> > http://astro.sunysb.edu/cmalone/nolink/python_class_lstings.org
>
> >
>
>
>
> One thing to note here, is that for your emacs-lisp block to work on
>
> export, you need to change this
>
>
>
> #+begin_src emacs-lisp :exports both
>
>  (buffer-file-name)
>
> #+end_src
>
>
>
> to this
>
>
>
> #+begin_src emacs-lisp :var file-name=(buffer-file-name) :exports both
>
>  file-name
>
> #+end_src
>
>
>
> because only header arguments are guaranteed to be evaluated in the
>
> original org-mode buffer during export.
>
>

Again, thanks for pointing this out earlier. I hadn't changed it for the example, because the error was not associated with whether or not the actual =emacs-lisp= code returned anything meaningful.


>
> That said I was able to export your example file (without the change
>
> above) to html.  When exporting to latex I ran into an issue, the
>
> problem here is that the LaTeX exporter *requires* at least one
>
> headline.  It explicitly export the pre-first-headline and
>
> post-first-headline portions of the Org-mode buffer separately.  When
>
> there is no headline, and the buffer contains code blocks, then they are
>
> exported *twice*, which causes the error you mentioned, because after
>
> the first pass of the code-block export, the results in the file are not
>
> valid for another pass of the exporter.
>
>
>
> If you place a "* " before the "Let's start this..." line, then the
>
> errors should disappear.
>
>
>
> Hope this helps.
>
>
>
> Best -- Eric
>
That fixed it! Sorry for the trouble for something that seems so minor! Thanks again.

Chris