This ports the functionality of the Literate Markdown Tangler written in Go by Dave MacFarlane to a Pandoc Lua filter. However, the syntax differs from the Go lmt to comply with Pandoc's markdown.

quarto add stefanocoretta/lmt

This will install the extension under the _extensions subdirectory. If you're using version control, you will want to check in this directory.

Here is the source code for a minimal example: example.qmd.