Oh, sorry. You need to use \renewcommand not \newcommand.
"jmuc...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org" <jmuc...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:
> It seems not:
>
> ```
> pandoc reported the following error:
>
> Error producing PDF.
> ! LaTeX Error: Command \caption already defined.
> Or name \end... illegal, see p.192 of the manual.
>
> See the LaTeX manual or LaTeX Companion for explanation.
> Type H <return> for immediate help.
> ...
>
> l.100 \newcommand{\caption}[1]{}
> ```
>
>
> On Wednesday, 20 January 2021 at 19:00:06 UTC-5 John MacFarlane wrote:
>
>>
>> Will it work to add
>>
>> \newcommand{\caption}[1]{}
>>
>> to your header-includes?
>>
>>
>
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