On Thu, Jul 8, 2010 at 8:40 PM, Eric Schulte wrote: > Hi Rainer, > Hi Eric > > I am aware of this problem, and although I don't know any a good > solution, I do have a good workaround (example attached [1]). > That workaround looks really good - thanks. Much better then putting :session at the beginning of each source block. > > The problem is that org-latex removes all of the #+ lines from the > beginning of any Org-mode file which has headlines as part of the export > process. This means that by the time it's Babel's turn to run code > blocks, the #+BABEL line has been removed, and the session is not set. > If there are no headlines, then this problem does not arise. > OK - that explains. > > I sent in a patch last week, [2] but it's application would have broken > other features of the latex export, I've yet to work out a good solution > to this. > > There is a decent work-around. Whenever there are no headlines, then > the #+BABEL: line works fine on LaTeX export, when there are headlines, > then header arguments can be placed as properties in the headlines to > the same effect. > Would it be possible to issue a warning if a #+BABEL line is stripped by LaTeX? If I think back, this stripping cost me quite some time to figure out why things are working differently when exporting to LaTeX then html. > > Cheers -- Eric > Cheers, Rainer > > Rainer M Krug writes: > > > Hi > > > > I have the attached org file. > > > > It seems that when exporting to a pdf, the :session argument is ignored, > as > > I get a > > Org-Babel Error Output buffer with: > > Error: object 'x' not found > > Execution halted > > > > and an Org-Babel Error buffer with the same text, and the resulting pdf > does > > only show the code.. > > > > HTML export, works as expected. > > > > If I put :session *R_test* behind #+begin_src (R2.org) it works. > > > > Cheers, > > > > Rainer > > Footnotes: > [1] > > > [2] http://thread.gmane.org/gmane.emacs.orgmode/27081 > > > -- NEW GERMAN FAX NUMBER!!! Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany) Centre of Excellence for Invasion Biology Natural Sciences Building Office Suite 2039 Stellenbosch University Main Campus, Merriman Avenue Stellenbosch South Africa Cell: +27 - (0)83 9479 042 Fax: +27 - (0)86 516 2782 Fax: +49 - (0)321 2125 2244 email: Rainer@krugs.de Skype: RMkrug Google: R.M.Krug@gmail.com