Sébastien Vauban <wxhgmqzgwmuf-genee64ty+gs+fvcfc7...@public.gmane.org>
writes:

> Hi Neilen,
>
> Neilen Marais wrote:
>> Is it possible to caption a #+begin_src or #+begin_example block? Doing
>>
>> #+CAPTION: dipole_analytical_balanis.mac
>> #+begin_example
>> ....
>> #+end_example
>>
>> doesn't seem to do the trick. I would find this useful to include
>> suggested filenames when quoting source on a web page.
>
> Would such block be better for you?
>
> #+srcname: dipole_analytical_balanis.mac
> #+begin_src mac
> ....
> #+end_src
>
> The source name should be exported in HTML. If not, this is a feature.[1]
>

A cursory look suggests that

org-export-format-source-code-or-example takes caption as an arg. This
is used only if htmlize or org-export-latex-listings is configured by
the user - Both of these are not part of factory settings and wouldn't
work out of the box. (Seems like the situation could be improved)

ASCII export always exports a caption without fail.

So if I export

* Source Block
** Emacs Lisp Block

--8<---------------cut here---------------start------------->8---
#+CAPTION: HelloWorldCaption
#+srcname: HelloWorldSrcName
#+begin_src emacs-lisp
  (defun helloworld () 
    ""
    (message "hello world"))
#+end_src  
--8<---------------cut here---------------end--------------->8---

I get something like 

--8<---------------cut here---------------start------------->8---
1 Source Block 
---------------

1.1 Emacs Lisp Block 
=====================


  (defun helloworld () 
    ""
    (message "hello world"))
--8<---------------cut here---------------end--------------->8---

meaning that captions are not possibly passed into
org-export-format-source-code-or-example.

A cursory look at org-export-attach-captions-and-attributes where
('org-caption text property is added) suggests that captions are not
getting associated with the src blocks.

In summary, there seems to be a clear intent to attach a caption to
example or source blocks but somehow things are turning out otherwise.

Jambunathan K.

> Best regards,
>   Seb
>
> Footnotes:
>
> [1] I know for sure it does when the block has "grounded" parameters (ie, with
> a given value).

-- 


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