No markdown processing if list item starts with html tag

[reliak]

Have you read the Contributing Guidelines on issues?

• [X] I have read the Contributing Guidelines on issues.

Prerequisites

• [X] I'm using the latest version of Docusaurus.
• [X] I have tried the npm run clear or yarn clear command.
• [X] I have tried rm -rf node_modules yarn.lock package-lock.json and re-installing packages.
• [X] I have tried creating a repro with https://new.docusaurus.io.
• [ ] I have read the console error message carefully (if applicable).

Description

When a markdown list item starts with an html tag, the rest of the list item text is not processed by markdown.

Reproducible demo

No response

Steps to reproduce

Make a list:

Some list

- <kbd>G</kbd>: **G** key
- x<kbd>G</kbd>: **G** key

Expected behavior

Markdown processing should be triggered for all of the above list items.

Actual behavior

Markdown processing is only triggered for the second list item (which does not start with an html tag).

Your environment

No response

Self-service

• [ ] I'd be willing to fix this bug myself.

[slorber]

Fixed by MDX 2 (upcoming Docusaurus v3): https://github.com/facebook/docusaurus/pull/8288

Try this in:

• mdx v1 playground: https://mdx-git-renovate-babel-monorepo-mdx.vercel.app/playground/ (not working)
• mdx v2 playground: https://mdxjs.com/playground/ (now works)