# Page Not Found

The URL `_next/static/chunks/main-app-e124e2c0d7fe35ae.js` does not exist.

You might be looking for one of these pages:
- [Message Styles](https://developer.thunderbird.net/thunderbird-development/codebase-overview/chat/message-styles.md)
- [Using Mercurial Queues](https://developer.thunderbird.net/thunderbird-development/fixing-a-bug/using-mercurial-queues.md)
- [Keyboard shortcuts](https://developer.thunderbird.net/thunderbird-development/codebase-overview/chat/keyboard-shortcuts.md)
- [Convert wrapped WebExtensions to modern WebExtensions](https://developer.thunderbird.net/add-ons/updating/historical-overview/wrapped-to-modern.md)
- [Contacts](https://developer.thunderbird.net/thunderbird-development/codebase-overview/chat/contacts.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://developer.thunderbird.net/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://developer.thunderbird.net/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/thunderbird-development/codebase-overview/chat/message-styles.md`)
- Use `Accept: text/markdown` header for content negotiation