Hi, All,

While I try the "per-file basis in a source code block" mode,
It tells me:
No definition for class `per-file-class' in `org-export-latex-classes'

I command
$ emacs -D -nw --no-splash --batch --kill --file tt1.org --funcall
org-export-as-latex
And it tells me:
Loading 00debian-vars...
Loading /etc/emacs/site-start.d/50asymptote.el (source)...
Loading /etc/emacs/site-start.d/50dictionaries-common.el (source)...
Loading debian-ispell...
Loading /var/cache/dictionaries-common/emacsen-ispell-default.el (source)...
Loading /var/cache/dictionaries-common/emacsen-ispell-dicts.el (source)...
Loading /etc/emacs/site-start.d/50emacs-goodies-el.el (source)...
Loading /etc/emacs/site-start.d/50geiser.el (source)...
Loading /etc/emacs/site-start.d/50latex-cjk-common.el (source)...
Loading cjk-enc...
Loading /etc/emacs/site-start.d/50latex-cjk-thai.el (source)...
Loading /etc/emacs/site-start.d/50org-mode.el (source)...
Loading /etc/emacs/site-start.d/50python-docutils.el (source)...
Loading /etc/emacs/site-start.d/50thailatex.el (source)...
OVERVIEW
Exporting to LaTeX...
No definition for class `per-file-class' in `org-export-latex-classes'

And no positive response whill I try to move the source block at begin.
And it is true that this can be right done once I define the
`per-file-class' in .emacs.

Regards,
Wolfkin