I updated to the latest development version of org-mode, and everything is fine now.  Thanks.
--
Truong


On Fri, Oct 7, 2011 at 2:24 PM, Eric Schulte <schulte.eric@gmail.com> wrote:
Hi Truong,

I just exported your example below to LaTeX w/o any problem.  Could you
try updating to the latest version of Org-mode and let me know if the
problem persists?

Thanks -- Eric

Truong Nghiem <truong.nghiem@gmail.com> writes:

> Remember to cover the basics, that is, what you expected to happen and
> what in fact did happen.  You don't know how to make a good report?  See
>
>      http://orgmode.org/manual/Feedback.html#Feedback
>
> Your bug report will be posted to the Org-mode mailing list.
> ------------------------------------------------------------------------
>
> I created the following simple org file, with a code block in it:
> ==== BEGIN ====
> This is a test.
>
> #+BEGIN_SRC latex :exports none
> \newcommand{\test}{Test}
> #+END_SRC
> ==== END ====
>
> Then exported it to LaTeX and had an error (backtrace attached).  The
> error always happened regardless of the value of :exports.
>
> Emacs  : GNU Emacs 23.3.50.1 (i386-apple-darwin9.8.0, NS
> apple-appkit-949.54)
>  of 2011-07-29 on braeburn.aquamacs.org - Aquamacs Distribution 2.3a
> Package: Org-mode version 7.7
>
> current state:
> ==============
> (setq
>  org-export-latex-after-initial-vars-hook '(org-beamer-after-initial-vars)
>  org-speed-command-hook '(org-speed-command-default-hook
>               org-babel-speed-command-hook)
>  org-blocker-hook '(org-block-todo-from-children-or-siblings-or-parent)
>  org-babel-load-languages '((R) (ditaa . t) (dot . t) (emacs-lisp . t)
>                 (gnuplot . t) (haskell) (latex . t) (matlab . t)
>                 (ocaml) (python . t) (ruby) (screen) (sh . t) (sql)
>                 (sqlite))
>  org-completion-use-ido t
>  org-metaup-hook '(org-babel-load-in-session-maybe)
>  org-babel-tangle-lang-exts '(("python" . "py") ("latex" . "tex")
>                   ("emacs-lisp" . "el"))
>  org-export-blocks-postblock-hook '(org-exp-res/src-name-cleanup)
>  org-export-latex-format-toc-function 'org-export-latex-format-toc-default
>  org-support-shift-select t
>  org-export-preprocess-hook '((lambda nil
>                    (org-set-local (quote org-complex-heading-regexp)
>                 "^\\(\\*+\\)[
>  ]+\\(?:\\(TODO\\|NEXT\\|STARTED\\|DONE\\|WAITING\\|CANCELLED\\|DEFERRED\\|PROJECT\\|FINISHED\\)\\>\\)?\\(?:[
>     ]*\\(\\[#.\\]\\)\\)?[     ]*\\(.*?\\)\\(?:[
>  ]+\\(:[[:alnum:]_@#%:]+:\\)\\)?[     ]*$")
>                    )
>                   )
>  org-tab-first-hook '(org-hide-block-toggle-maybe
> org-src-native-tab-command-maybe
>               org-babel-hide-result-toggle-maybe)
>  org-src-mode-hook '(org-src-babel-configure-edit-buffer
>              org-src-mode-configure-edit-buffer)
>  org-confirm-shell-link-function 'yes-or-no-p
>  org-export-first-hook '(org-beamer-initialize-open-trackers)
>  org-babel-pre-tangle-hook '(save-buffer)
>  org-cycle-hook '(org-cycle-hide-archived-subtrees org-cycle-hide-drawers
>           org-cycle-show-empty-lines
>           org-optimize-window-after-visibility-change)
>  org-export-preprocess-before-normalizing-links-hook
> '(org-remove-file-link-modifiers)
>  org-mode-hook '((lambda nil
>           (org-add-hook (quote change-major-mode-hook)
>            (quote org-babel-show-result-all) (quote append) (quote local))
>           )
>          (lambda nil
>           (org-add-hook (quote change-major-mode-hook)
>            (quote org-show-block-all) (quote append) (quote local))
>           )
>          #[nil "\300\301\302\303\304$\207"
>            [org-add-hook change-major-mode-hook org-show-block-all append
>             local]
>            5]
>          #[nil "\300\301\302\303\304$\207"
>            [org-add-hook change-major-mode-hook org-babel-show-result-all
>             append local]
>            5]
>          org-babel-result-hide-spec org-babel-hide-all-hashes
>          (lambda nil (auto-fill-mode 1)))
>  org-ctrl-c-ctrl-c-hook '(org-babel-hash-at-point
> org-babel-execute-safely-maybe)
>  org-confirm-elisp-link-function 'yes-or-no-p
>  org-refile-use-outline-path 'file
>  org-export-interblocks '((lob org-babel-exp-lob-one-liners)
>               (src org-babel-exp-inline-src-blocks))
>  org-enforce-todo-dependencies t
>  org-agenda-skip-deadline-if-done t
>  org-refile-allow-creating-parent-nodes 'confirm
>  org-insert-mode-line-in-empty-file t
>  org-occur-hook '(org-first-headline-recenter)
>  org-export-preprocess-before-selecting-backend-code-hook
> '(org-beamer-select-beamer-code)
>  org-agenda-todo-ignore-deadlines t
>  org-export-latex-final-hook '(org-beamer-amend-header org-beamer-fix-toc
>                    org-beamer-auto-fragile-frames
>                    org-beamer-place-default-actions-for-lists)
>  org-metadown-hook '(org-babel-pop-to-session-maybe)
>  org-export-blocks '((src org-babel-exp-src-block nil)
>              (comment org-export-blocks-format-comment t)
>              (ditaa org-export-blocks-format-ditaa nil)
>              (dot org-export-blocks-format-dot nil))
>  )
>

--
Eric Schulte
http://cs.unm.edu/~eschulte/