1. Introduction
3. User Guide
4. 1. Installation
5. 2. Getting Started
6. 3. Configuration
7. 4. CLI Usage
8. 5. mdBook Integration
9. 6. CI vs Preprocessor
10. 7. Troubleshooting
12. Reference
13. 8. Rules Reference
14. 9. Standard Rules
15. 1. 9.1. Heading Rules
    2. 1. 9.1.1. MD001 - Heading Increment
       2. 9.1.2. MD002 - First Heading H1
       3. 9.1.3. MD003 - Heading Style
       4. 9.1.4. MD018 - No Space After Hash
       5. 9.1.5. MD019 - Multiple Spaces After Hash
       6. 9.1.6. MD020 - No Space in Closed Headings
       7. 9.1.7. MD021 - Multiple Spaces in Closed Headings
       8. 9.1.8. MD022 - Blanks Around Headings
       9. 9.1.9. MD023 - Headings Start at Beginning
       10. 9.1.10. MD024 - No Duplicate Headings
       11. 9.1.11. MD025 - Single Top-Level Heading
       12. 9.1.12. MD026 - No Trailing Punctuation
       13. 9.1.13. MD041 - First Line Top-Level Heading
    3. 9.2. List Rules
    4. 1. 9.2.1. MD004 - Unordered List Style
       2. 9.2.2. MD005 - List Item Indentation
       3. 9.2.3. MD006 - List Start Left
       4. 9.2.4. MD007 - Unordered List Indentation
       5. 9.2.5. MD029 - Ordered List Prefix
       6. 9.2.6. MD030 - Spaces After List Markers
       7. 9.2.7. MD032 - Blanks Around Lists
    5. 9.3. Whitespace Rules
    6. 1. 9.3.1. MD009 - No Trailing Spaces
       2. 9.3.2. MD010 - Hard Tabs
       3. 9.3.3. MD012 - Multiple Consecutive Blank Lines
       4. 9.3.4. MD027 - Multiple Spaces After Blockquote
       5. 9.3.5. MD028 - No Blanks in Blockquote
       6. 9.3.6. MD047 - Files End with Newline
    7. 9.4. Link Rules
    8. 1. 9.4.1. MD011 - Reversed Link Syntax
       2. 9.4.2. MD034 - Bare URL Used
       3. 9.4.3. MD039 - Spaces Inside Link Text
       4. 9.4.4. MD042 - No Empty Links
       5. 9.4.5. MD051 - Link Fragments
       6. 9.4.6. MD052 - Reference Links and Images
       7. 9.4.7. MD053 - Reference Definitions
       8. 9.4.8. MD054 - Link and Image Style
       9. 9.4.9. MD059 - Descriptive Link Text
    9. 9.5. Code Rules
    10. 1. 9.5.1. MD014 - Dollar Signs in Commands
        2. 9.5.2. MD031 - Blanks Around Fences
        3. 9.5.3. MD038 - Spaces Inside Code Spans
        4. 9.5.4. MD040 - Fenced Code Blocks Language
        5. 9.5.5. MD046 - Code Block Style
        6. 9.5.6. MD048 - Code Fence Style
    11. 9.6. Style Rules
    12. 1. 9.6.1. MD013 - Line Length
        2. 9.6.2. MD035 - Horizontal Rule Style
        3. 9.6.3. MD043 - Required Heading Structure
        4. 9.6.4. MD044 - Proper Names Capitalization
    13. 9.7. Emphasis Rules
    14. 1. 9.7.1. MD036 - Emphasis Instead of Heading
        2. 9.7.2. MD037 - Spaces Inside Emphasis
        3. 9.7.3. MD049 - Emphasis Style
        4. 9.7.4. MD050 - Strong Style
    15. 9.8. Table Rules
    16. 1. 9.8.1. MD055 - Table Pipe Style
        2. 9.8.2. MD056 - Table Column Count
        3. 9.8.3. MD058 - Blanks Around Tables
    17. 9.9. Image Rules
    18. 1. 9.9.1. MD045 - Images Should Have Alt Text
    19. 9.10. HTML Rules
    20. 1. 9.10.1. MD033 - No Inline HTML
16. 10. mdBook Rules
17. 1. 10.1. MDBOOK001 - Code Block Language Tags
    2. 10.2. MDBOOK002 - Invalid Internal Link
    3. 10.3. MDBOOK003 - Invalid SUMMARY.md Structure
    4. 10.4. MDBOOK004 - No Duplicate Chapter Titles
    5. 10.5. MDBOOK005 - Orphaned Files
    6. 10.6. MDBOOK006 - Invalid Cross-Reference Links
    7. 10.7. MDBOOK007 - Invalid Include Directive
    8. 10.8. MDBOOK008 - Invalid Rustdoc Include
    9. 10.9. MDBOOK009 - Invalid Playground Configuration
    10. 10.10. MDBOOK010 - Invalid Preprocessor Configuration
    11. 10.11. MDBOOK011 - Invalid Template Syntax
    12. 10.12. MDBOOK012 - Invalid Include Line Ranges
    13. 10.13. MDBOOK025 - Multiple H1 in SUMMARY.md
18. 11. Configuration Reference
19. 12. Example Configuration
20. 13. API Documentation
21. 14. Tool Comparison
23. Development
24. 15. Library API
25. 16. Contributing
26. 17. Architecture
27. 18. Testing Strategy