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Comment by tompagenet2 | Hacker News Reader

This is lovely. Really simple - this is a good thing.

I think I'm showing my ignorance as I didn't get why code blocks are surrounded by four back ticks (I thought Markdown used just one), but that's just me asking and certainly not complaining.

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I wrote about the supported syntax here: https://collectednotes.com/blog/a-tour-of-the-markdown-synta...

I think one backtick is pre and three (with optional language is code with syntax highlighting)

Markdown supports inline code with a single backtick on each side, and multiline code blocks with triple backticks above and below. Alternatively, a multiline code block can be indented four spaces.

Let me see if I can illustrate. On HN, backticks are meaningless, and code blocks require two space indents, so this should render as you would write the Markdown source:

  Here would be `inline code` delimited with single backticks.
  It translates to <code>inline code</code>.

  Here would be a multiline code block.
  It typically translates to <pre><code>Code is here.</code></pre>:

  ```
  Code is here.
  ```

A multiline code block can also have a language name when it uses triple backticks, as in your example:

  ```swift
  Swift code is here.
  ```

Note that there are many flavors of Markdown! I'm describing the one you appear to be using, which is similar to what's used on Stack Overflow and other Stack Exchange sites.

Thanks very much. I'd not appreciated the flexibility of what is possible in terms of code display. Thanks for explaining and letting me understand a bit more!

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