Re: [BUG] beamer export

[Leo Butler]

On Mon, Feb 19 2024, Ihor Radchenko <yantar92@posteo.net> wrote:

> Leo Butler <Leo.Butler@umanitoba.ca> writes:
>
>>> What about not adding BEAMER_FRAME, but instead adding org-lint checker
>>> that will detect when frame text contains the problematic \end{orgframe}?
>>
>> Ok, thanks for your feedback. I have modified the patch along the lines
>> you suggested. It is attached.
>
> Thanks!
> It looks like you left over some parts from the previous patch version.
>
>> (org-beamer--format-frame): Introduce the new property, :BEAMER_FRAME.
>
> ... like this.
>
>> (org-beamer--frame-environments): New variable and function.  The
>> variable holds a list of names of frame environments found while
>> formatting frames.  The function generates the LaTeX code to define
>> each new frame environment.
>> (org-beamer-template): Add a call to `org-beamer--frame-environments'
>> to insert the environment definitions into the beamer document.
>
> And since we only have a single alternative environment in this version
> of the patch, `org-beamer--frame-environments' does not appear to be
> necessary.
>
>> +(defcustom org-beamer-frame-environment "orgframe"
>> +  "Name of the beamer frame environment."
>> +  :group 'org-export-beamer
>> +  :type '(string :tag "Beamer frame"))
>
> It would be nice to provide a mode detailed explanation about the
> purpose of this custom option.
>
>> +(defun org-lint-beamer-frame (ast)
>> +  "Check for occurrences of begin or end frame."
>> +  (org-with-point-at ast
>> +    (goto-char (point-min))
>> +    (let (result)
>> +      (while (re-search-forward
>> +              (concat "\\\\\\(begin\\|end\\){" org-beamer-frame-environment 
>> "}") nil t)
>> +        (push (list (match-beginning 0) "Beamer frame name may cause error 
>> when exporting.") result))
>> +      result)))
>
> ... and to link this org-lint warning to the
> `org-beamer-frame-environment' docstring.

Thanks for your comments.

I think the attached patch addresses each of your points. It's not clear
to me what you mean by "link(ing) this org-lint warning to the
`org-beamer-frame-environment' docstring", but I have expanded the
warning include mention of this variable.

Leo

0001-lisp-ox-beamer.el-customize-the-beamer-frame-environ.patch
Description: 0001-lisp-ox-beamer.el-customize-the-beamer-frame-environ.patch