Hi Chuck,

It looks fine to me. I see:

Name: fig:foo
Lang: python
Properties:
:header-args :eval never-export
:header-args:python nil
Header Arguments:
:cache no
:eval never-export
:exports results
:hlines no
:noweb yes
:results file replace
:session discharge_ts
:tangle no


  -k.


On Tue, Jun 12, 2018 at 5:51 PM Berry, Charles <ccberry@ucsd.edu> wrote:

>
>
> > On Jun 12, 2018, at 7:01 AM, Ken Mankoff <mankoff@gmail.com> wrote:
> >
> > I'm trying to export a file to LaTeX. It takes about one minute. The
> > file is 12000 lines long and has 200 code blocks. I have set:
> >
> > #+PROPERTY: header-args :eval never-export
> >
>
> That is the right idiom.  Of course, you have to refresh the local setup
> after typing that (C-c C-c with point in the PROPERTY line) or it will have
> no effect until you save and re-open the file.
>
> It is good to check that you have refreshed and that there are no typos or
> hidden chars in the line, so go to a src block and type
>
> C-c C-v C-i
>
> and verify that you see something like this
>
> ,----
> | Lang: R
> | Properties:
> |       :header-args    :eval never-export
> |       :header-args:R  nil
> | Header Arguments:
> |       :cache          no
> |       :eval           never-export
> |       :exports        code
> |       :hlines         no
> |       :noweb          no
> |       :results        replace
> |       :session        none
> |       :tangle         no
> `----
>
> You should see both the :header-args line as you typed it and the :eval
> line showing never-export.
>
> > which means, I think, no babel blocks should evaluate.
> >
> > (setq org-export-use-babel t) seems to be the culprit.
>
> Leave it set to `t'.
>
> Chuck
>
>
>
>