Re: Pandoc-crossref adds latex `codelisting` env (not found on CTAN) for code block

[jiewuza <jiewuza-9Onoh4P/yGk@public.gmane.org>]

I see. I use a customized template.

There is `usepackage{listings}` in it. But pandoc-crossref does not
insert:
```
\@ifundefined{c@chapter}{\newfloat{codelisting}{h}{lop}}{\newfloat{codelisting}{h}{lop}[chapter]}
\floatname{codelisting}{Listing}
\newcommand*\listoflistings{\listof{codelisting}{List of Listings}}
```

I will add it in my template.
Thanks.

John MacFarlane <jgm-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org> writes:

> pandoc-crossref should be inserting something like
> this:
>
> \@ifundefined{c@chapter}{\newfloat{codelisting}{h}{lop}}{\newfloat{codelisting}{h}{lop}[chapter]}
> \floatname{codelisting}{Listing}
> \newcommand*\listoflistings{\listof{codelisting}{List of Listings}}
>
>
> which definse codelisting.  This requires that you
> have \usepackage{listings} in your preamble.
> Normally it would be included in the default template
> when you use --listings and have code, but I think the normal
> mechanism for this being defeated because the code is
> replaced by raw latex by pandoc-crossref.  (At least
> that's my speculation, you'd have to confirm this with
> pandoc-crossref's maintainer.)
>
> Anyway, I found that if I generated a file with
>
>     -o my.tex -s --listings --filter pandoc-citeproc
>
> and then manually added `\usepackage{listings}` to the
> preamble, it would compile using pdflatex.
>
> So you should be able to get this to work by using
> this in your document's metadata:
>
> header-includes:
> - `\usepackage{listings}`{=latex}
>
> pandoc-crossref should probably be adding this
> itself.
>
> jiewuza <jiewuza-9Onoh4P/yGk@public.gmane.org> writes:
>
>> Here is the code block in my md file:
>> ```{#lst:captionAttr .haskell caption="Listing caption"}
>> main :: IO ()
>> main = putStrLn "Hello World!"
>> ```
>>
>> With `pandoc test.md -o test.tex --listings`, the output is:
>> ```
>> \begin{lstlisting}[language=Haskell, caption={Listing caption}, label=lst:captionAttr]
>> main :: IO ()
>> main = putStrLn "Hello World!"
>> \end{lstlisting}
>> ```
>>
>> With `pandoc test.md -o test.tex --listings --filter pandoc-crossref`,
>> the output is:
>> ```
>> \begin{codelisting}
>> \caption{Listing caption}
>>
>> \begin{lstlisting}[language=Haskell, caption={Listing caption}, label=lst:captionAttr]
>> main :: IO ()
>> main = putStrLn "Hello World!"
>> \end{lstlisting}
>>
>> \end{codelisting}
>> ```
>>
>> But I cannot find the `codelisting` on CTAN.
>>
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