HowTo: Use Fenced Code Blocks or Highlight Code

Jeff Atwood Mentions:
I would not recommend using fenced code blocks for things that “are not code.” Try indenting the lines by 4 spaces, or select the text and use the preformatted toolbar button, to insert 4 spaces before each line and indicate a preformatted block instead.

https://meta.discourse.org/t/confused-about-highlighting-in-code-blocks/8708

HostCheetah Mentions:
We do recommend using: insert 4 spaces before each line and indicate a preformatted block instead.


Liquid Layer Networks
http://www.liquidlayer.net

https://meta.discourse.org/t/support-for-bbcode-code-blocks-with-syntax-highlighting/31891

Jeff Atwood Mentions:
BBCode code blocks work

This is a code block using BBCode
Composed as

This is a code block using BBCode BBCode code blocks work

This is a code block using BBCode
Composed as

This is a code block using BBCode

HostCheetah Mentions:
Above is by enclosing snippet using [ code ] and [ /code]
(no spaces, inside the brackets) spaces are used here to show the syntax.