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Based on MarkdownPreview test.md. Markdown 1 2 3 4 5 6 7 8 # H1 ## H2 ### H3 #### H4 ##### H5 ###### H6 ### Duplicate Header ### Duplicate Header H1 H2 H3 H4 H5 H6 Duplicate Header Duplicate Header Paragraphs 1 2 3 4 This is a paragraph. I am still part of the paragraph. New paragraph. This is a paragraph. I am still part of the paragraph.