Re: `:export' attribute?: Re: Experimental public branch for inline special blocks

[Max Nikulin <manikulin@gmail.com>]

On 13/03/2024 00:41, Juan Manuel Macías wrote:
> Max Nikulin writes:
> 
>> It is not clear for me how to achieve the following. Add a link
>>
>> [[https://youtube.com/...][Org mode in action demo (video)]]
>>
>> for all backends (EPUB, LaTeX, ODT, text, etc.) besides HTML because
>> there is an #+export_html block with player embedded using an iframe.
> 
> Sorry, I don't quite understand this. Could you please elaborate?

--- 8< ---
&_[:exports -html]{Watch [[https://youtube.com/...][Org mode in action 
demo]] video.}

#+begin_export html
<iframe src="https://youtube.com/embed/..."
  title="Org mode in action demo"
  width="..." height="..."></iframe>
#+end_export
--- >8 ---

should be exported to HTML without the sentence with the link
--- 8< ---
<iframe src="https://youtube.com/embed/..."
  title="Org mode in action demo"
  width="..." height="..."></iframe>
--- >8 ---

however only the sentence with the link is exported to LaTeX or any 
other format
--- 8< ---
Watch \href{https://youtube.com/...}{Org mode in action demo} video.
--- >8 ---

>> Instead of "noexport" and "rest" that may be confused with backend
>> names I would consider "+" and "*" without any name. I would consider
>> some characters like "-", "_", "!", "~" to express "do not export to
>> this and derived backends" and "do not export for specified backend
>> only".
> 
> how about the following:
> - "--" :: do not export
> - "**" :: export only the content
> - "==" :: rest (full)
> - "=*" :: rest (only the content)
> - "!backend-name+ :: export this backend (full)
> - "!backend-name*" :: export this backend (only the content)
> - "!backend-name- :: do not export this backend

I do not see why operator should be duplicated for backends that are not 
specified explicitly. Single "+" (default) or "-" should be enough. I 
have not got your idea with leading "!". From my point of view it is 
redundant.