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Comprehensive Markdown Test Document This document tests all major Markdown features including complex combinations. Use it to validate HTML conversion completeness. Table of Contents Text Formatting Lists Code Links & Images Tables Blockquotes Horizontal Rules Task Lists Footnotes Definition Lists Math Emojis & Mentions Special Characters Mermaid Diagrams Mixed HTML Edge Cases Text Formatting Bold, italic, strikethrough, inline code, nested combinations. Headers H1 able bank castle dog easy H1 able bank castle dog easy H2 able bank castle dog easy H2 able bank castle dog easy H3 able bank castle dog easy H3 able bank castle dog easy H4 able bank castle dog easy H4 able bank castle dog easy H5 able bank castle dog easy H5 able bank castle dog easy H6 able bank castle dog easy H6 able bank castle dog easy Lists Nested Mixed Lists First ordered item Nested unordered Sub-nested asterisk Sub-sub-nested plus Second ordered 1# Code block in list 2print("Hello World") Third ordered Continuation line Task List Completed task Pending task Subtask Code Fenced Code with Syntax Highlighting 1def fibonacci(n): 2 if n <= 1: 3 return n 4 else: 5 return fibonacci(n-1) + fibonacci(n-2) Diff Highlighting 1- deleted_line = True 2+ added_line = False Links & Images Variants Standard Link Title Link Reference Link ...