--- id: version-0.11.0-issues title: Common Issues original_id: issues --- - Be sure to include `` at the top of your HTML file, as otherwise your browser will render in "[quirks mode](https://developer.mozilla.org/en-US/docs/Web/HTML/Quirks_Mode_and_Standards_Mode)" which can cause KaTeX to sometimes render incorrectly. This header is needed even inside `