Formatting newlines gh api posting markdown

[eighty4]

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I've been trying to use gh api to create releases with markdown release notes in the body. Part of the content comes from a shell command getting notes from CHANGELOG.md and the rest is markdown formatting around that shell variable.

I've tried every combo of technique mentioned on the markdown docs. The newlines from ls -l / get rendered as newlines properly but anything I explicitly write from \n to \\\\\n doesn't seem to work.

Does anyone know the secret to this?

          NOTES=$(ls -l /)
          NOTES=$(echo "## Release notes\\\\\n$NOTES\\\\\\n### asdfasdf\\\\\nasdgasdgasdgasdg")
          gh api \
            --method POST \
            -H "Accept: application/vnd.github+json" \
            -H "X-GitHub-Api-Version: 2022-11-28" \
            /repos/eighty4/vite-plugin-html-inline-sources/releases \
            -f tag_name="v0.0.16" \
            -f "body=$NOTES"

[YOLOv81]

When posting markdown via the GitHub API, ensure proper newline formatting by using double spaces at the end of lines or a blank line between paragraphs. This preserves the intended structure.

[eighty4]

CHANGELOG=$(cat l3_cli/CHANGELOG.md | awk -v p="## $VERSION" -F":" '$0 ~ p{f=1;next} /## /{f=0} f')
NOTES="[Published to crates.io](https://crates.io/crates/l3_cli)  \r\n\r\n# Release notes  \r\n\r\n$CHANGELOG"

from this workflow using -F body="$NOTES" in the request with gh api gave this result: