Fourth
Fourth This post uses JSON in the front matter section.

Third
Third Now I know that in the front matter section --- means YAML format and +++ means TOML format. JSON is also an option {..}.
Second
Second Post Added manually. Used --- instead of +++ in front matter. Does that matter? Yes. I see it does. assemble: [1;36m"/home/bill/Desktop/hugo-demo/content/posts/second.md:1:1"[0m: failed to unmarshal YAML: yaml: unmarshal errors: line 1: cannot unmarshal !!str `title =...` into map[string]interface {} /home/bill/Desktop/hugo-demo/content/posts/second.md:1:1: title = 'Second' date = 2023-12-04T11:06:50-05:00 draft = false hugo v0.120.4-f11bca5fec2ebb3a02727fb2a5cfb08da96fd9df+extended linux/amd64 BuildDate=2023-11-08T11:18:07Z VendorInfo=snap:0.120.4 Change to +++. Things must have changed since the demo YT video was made. At that time --- was used around front matter....
First
First Post Numero Uno Hi there.