Markdown admonitions are unofficial extra's to the spec to render basic info/warning/note alert boxes. There were already 2 syntaxes for these:

Supported in python-markdown, Mkdocs, marked js extension: 3 exclamation marks followed by a type, and indenting its contents by 4 spaces:
!!! note

Supported by Docusaurus & extended by Nuxt.js as "MDC" or "markdown components": 3 or more colons followed by a type, and with an end delimiter:
:::note
:::

So why the fuck did Github have to go for this retarded syntax mixing blockquotes with half the syntax of an image link instead of following in the footsteps of others?

> [!NOTE]
>