Create slides

[sualeh]

Show how to create slides from Markdown, possibly using Marp.

[ar]

Agreed that slides from Markdown belong in this toolchain eventually, but I don't think via Marp: it's a parallel stack (its own npm tooling and its own Markdown dialect for slides) that would reuse nothing from memo's m4 → pandoc → LaTeX pipeline, so memo would end up wrapping two unrelated systems.

The memo-shaped way to do it is pandoc's native beamer output: a --slides flag that switches the output to -t beamer with a matching template and skips the glossary/nomenclature machinery. That inherits everything memo already does—m4 preprocessing (DATE, REVISION, …), the Lua filters from the filters directory, citations, and the existing install base—and slides stay in the same source dialect as the memos themselves.

It's a small addition, but there's no pressing use case right now, so parking it: keeping this open as the tracking issue for a --slides (beamer) flag rather than Marp. PRs welcome if someone gets there first.

[sualeh]

@ar I will have to check out beamer. Thanks for the pointer.