First post on this blog.
Katex
Inline: $ Hello \enspace World! $
Outline:
$$ Hello \enspace World! $$
Mermaid
flowchart TD
A@{ shape: stadium, label: "Start" }
A --> B@{ shape: lean-r, label: "print \"Hello World!\"" }
B --> C@{ shape: stadium, label: "Exit" }