Re: Bug: Extra blank line in subitem list when exported to markdown [8.3.1 (8.3.1-103-g366dc4-elpa @ /home/bitouze/.emacs.d/elpa/org-20150907/)]

["Denis Bitouzé" <dbitouze-39ZsbGIQGT5GWvitb5QawA@public.gmane.org>]

Le 16/09/15 à 14h51, Nicolas Goaziou <mail-Gpy5sJQTEQHwkn9pgDnJRVAUjnlXr6A1@public.gmane.org> a écrit :

> Denis Bitouzé <dbitouze-39ZsbGIQGT5GWvitb5QawA-XMD5yJDbdMReXY1tMh2IBg@public.gmane.org> writes:
>
>> Well, please, don't trust me too quickly :) I must admit I'm very far
>> from a mardown expert: I'm only a very occasional user.
>
> I never use markdown myself. Between the two of us, you are de facto
> the expert.

;)

>> In fact, my suggestion was wrong: AFAICS, the last example doesn't give
>> the expected HTML result neither and the less bad solution for nested
>> lists in markdown seems to be:
>>
>> #+NAME: test.md
>> #+begin_src markdown
>> -   Foo 1
>>
>> -   Foo 2:
>>
>>     -   Foo 21
>>     -   Foo 22
>>
>>     End of Foo 2 item.
>> #+end_src
>>
>> which is interpreted as (rather ugly):
>>
>> #+begin_src html
>> <ul>
>>   <li>
>>     <p>Foo 1:</p>
>>   </li>
>>   <li>
>>     <p>Foo 2:</p>
>>     <ul>
>>       <li>Foo 21</li>
>>       <li>Foo 22</li>
>>     </ul>
>>     <p>End of Foo 2 item.</p>
>>   </li>
>> </ul>
>> #+end_src
>
> This is problematic. There is a rule in "ox-md" that contradicts what
> you are suggesting. From org-md-separate-elements's docstring:
>
>   2. In an item, remove any blank line before the very first
>      paragraph and the next sub-list.
>
> As a consequence, we try hard to produce
>
>   -   Foo 2:
>       -   Foo 21
>       -   Foo 22
>
> instead of
>
>   -   Foo 2:
>
>       -   Foo 21
>       -   Foo 22
>
> which was the case in early versions of Markdown exporter. I guess we
> should produce the latter only when the sub-list is followed by another
> block element, e.g., "End of Foo 2 item".
>
> WDYT?

Indeed but maybe my usecase is too specific for consuming time on it...

>>> Also, what about other block types, e.g., which one is valid:
>>>
>>>   - Foo 1
>>>   - Foo 2:
>>>     - Foo 21
>>>     - Foo 22
>>>
>>>     #+begin_example
>>>     Some example
>>>     #+end_example
>>>
>>> or
>>>
>>>   - Foo 1
>>>   - Foo 2:
>>>     - Foo 21
>>>     - Foo 22
>>>     #+begin_example
>>>     Some example
>>>     #+end_example
>>
>> I'm not sure to understand what you have in mind: are these last two
>> examples at org mode level?
>
> I'm trying to generalize the rule. Your previous suggestion applied to
> paragraphs. I wondered if it was the same with other block types, e.g.,
> example blocks.

Indeed, this a problem as the Markdown export will put "Some example" on
a separate line as well.

Maybe other more experienced Markdown users could help.

Regards,
-- 
Denis