# Page Not Found

The URL `user-reference/codeviewer` does not exist.

You might be looking for one of these pages:
- [Community Library](https://help.codegrade.com/use-built-in-content/community-library.md)
- [Advanced Features](https://help.codegrade.com/for-students/advanced-features.md)
- [Web Development](https://help.codegrade.com/automatic-grading-guides/web-development.md)
- [Code Structure Tests with Semgrep](https://help.codegrade.com/automatic-grading-guides/code-structure-tests-with-semgrep.md)
- [Other features](https://help.codegrade.com/setup-assignment/other-features.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/use-built-in-content/community-library.md`)
- Use `Accept: text/markdown` header for content negotiation