Use a filter to add a class to it. If you want it highlighted it should be
the identifier for that language's syntax, otherwise something which pandoc
will not recognise as a syntax identifier. It is assumed that if you don't
have any attributes you do not need/want a fenced codeblock. I would agree
that that assumption may be wrong.

You could also turn the code block into a raw Markdown block and insert the
delimiters yourself.


Den fre 17 dec. 2021 16:28Sébastien Boisgérault <
sebastien.boisgerault-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> skrev:

> Have you considered the answer provided here? (custom Lua filter) :
>
>
> https://stackoverflow.com/questions/66945893/use-fenced-code-blocks-in-pandoc-markdown-output
>
>
> Le jeudi 16 décembre 2021 à 17:31:24 UTC+1, starsare...@gmail.com a
> écrit :
>
>> I try to use this, but not work, style not changed
>> pandoc -f markdown -t markdown -o string.h.md.out string.h.md
>>
>> the following is a code block, how can I convert it to ``` style
>>
>>     #include <stdio.h>
>>     #include <string.h>
>>     #include <stdlib.h>
>>     int main (int argc, char const *argc[]){
>>         char s[] = "hello";
>>         char *p = strchr (s, 'l');
>>         char c =*p;
>>         *p ='\d';
>>         char *t = (char*)malloc(strlen(p)+1);
>>         strcpy(t,p);
>>         printf("%s\n",t);
>>         free(t);
>>
>>         return 0;
>>     }
>>
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