Error producing PDF.
! LaTeX Error: Environment RTL undefined.

See the LaTeX manual or LaTeX Companion for explanation.
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...

l.193 \begin{RTL}

On Sunday, 24 April 2022 at 18:47:08 UTC+12 Albert Krewinkel wrote:

CommonMark with extensions (`commonmark_x`) has the *attribute*
extension, which allows to add the attributes before the block like so:

Lyndon Drake <isen...@gmail.com> writes:

```
{dir=rtl}
> This is a blockquote paragraph.
```

Pandoc currently doesn't support attributes on blockquote elements, so
the above is currently just a shorthand for a wrapping div:

```
::: {dir=rtl}
> This is a blockquote paragraph.
:::
```

The latter also works with "normal" pandoc Markdown.

--
Albert Krewinkel
GPG: 8eed e3e2 e8c5 6f18 81fe e836 388d c0b2 1f63 1124