Prose Markup Language is a markup pseudolanguage that's used in LLM prompt engineering to generate long-form content. It's loosely based on XML and looks a bit like HTML.
Start a new chat in ChatGPT using the GPT-4 model. Paste the text from pml.txt into the chat and wait for the reponse.
Then paste your PML markup into the chat and wait for the article to be generated.
Examples can be found in the examples/ folder.