Daniel BarlowTIL of the #emacs polymode package, which..."

TIL of the #emacs polymode package, which (with poly-markdown) comes with out-of-the-box support for switching the major mode inside a markdown fenced code block

Markdown Code Block: Including Code In .md Files - Markdown Land

Learn three ways to insert a Markdown code block in your document, including...

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in reply to Daniel Barlow

@dan you can in fact do this exact thing using Org mode's Org-Babel source blocks. Org-babel also lets you execute the code blocks and pipe their output directly into the document. No third party modules needed either, this ships with vanilla emacs.

https://orgmode.org/manual/Working-with-Source-Code.html

in reply to splatt9990

@splatt9990@fosstodon.org good tip, thanks. I've always been put off this because it's #+VERY_SHOUTY, but maybe there are ways around that