The [existing docs for custom AST nodes](https://quarto.org/docs/prerelease/1.3/ast.html) need fleshing out.

Probably more changes coming that will need docs that live in the same space.
cwickham
2023-03-23T08:24:26Z
cwickham
documentation
v1.4
open
More detailed docs on building filters
https://github.com/quarto-dev/quarto-cli/issues/4926