Ok, thanks.

El domingo, 7 de abril de 2019, 7:49:36 (UTC+2), BP escribió:
>
> You can use any attributes on headings, including classes:
>
> ````markdown
> ## The heading  {.class}
> ````
>
> The problem with headings inside divs is that pandoc sometimes ignores 
> them, i.e. in the auto-generated table of contents and apparently also when 
> identifying slides, probably because slides themselves need to be top level 
> divs.
>
>
> Den lör 6 apr. 2019 20:36pbeltran <pab...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org <javascript:>> skrev:
>
>> Thanks. Using your script, what I can't do is to include a heading inside 
>> the fenced div, can't I? The reason is that I need solution to be presented 
>> in a different slide. I had just found a kind of solution, using heading 
>> identifiers (although when compiling to beamer it spits a warning (as 
>> several sections share the same identifier):
>>
>> local looking_at_section = false
>> local lvl = 0
>> local remove = {}  -- delete line if 'remove' array not needed
>>
>> function Block (elem)
>>   if elem.t == "Header" then
>>     -- if elem.classes:includes('remove',1) then
>>
>>     if elem.identifier == 'answer' then
>>       looking_at_section = true
>>       lvl = elem.
>> level
>>     else
>>
>>       looking_at_section = looking_at_section and elem.level >
>> lvl
>>     end
>>   end
>>   if looking_at_section then
>>     remove[#remove + 1] = elem  -- delete line if 'remove' array not 
>> needed
>>     return {}
>>   end
>> end
>>
>>
>>
>>
>>
>> El sábado, 6 de abril de 2019, 20:17:02 (UTC+2), BP escribió:
>>>
>>> I use a div with a class and a filter which removes divs with that class 
>>> like this:
>>>
>>> ````markdown
>>> :::answer
>>> **Answer:** 42.
>>> :::
>>> ````
>>>
>>> ````lua
>>> function Div (elem)
>>>   if elem.classes:includes('answer') then
>>>     return {} -- delete it
>>>   else
>>>     return elem
>>>   end
>>> end
>>> ````
>>>
>>> HTH,
>>>
>>> /bpj
>>>
>>> Den lör 6 apr. 2019 18:44pbeltran <pab...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> skrev:
>>>
>>>> My purpose is to generate two versions from the same markdown file. 
>>>> Think in a worksheet or a set of reveal slides with and without solutions.
>>>>
>>>> If I use gpp, like suggested here,  
>>>> <https://randomdeterminism.wordpress.com/2012/06/01/how-i-stopped-worring-and-started-using-markdown-like-tex/>the 
>>>> math expressions in my .md (mathjax) get messed, since \ are escaped.
>>>>
>>>> Is there a way out of the box? For instance, by using custom 
>>>> fenced_divs and them telling pandoc to remove that specific div? I've taken 
>>>> a look at custom filters but I don't know haskell...
>>>>
>>>> Thanks
>>>>
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