(registered 2015-10-26, last updated 2015-10-26) Identifier: GFM Name: GitHub Flavored Markdown Description: "Original" with the following differences: 1. Multiple underscores in words 2. URL (URI) autolinking 3. Strikethrough 4. Fenced code blocks 5. Syntax highlighting 6. Tables (- for rows; | for columns; : for alignment) 7. Only some HTML allowed; sanitization is integral to the format References: Contact Information: (corporate) GitHub, Inc.