In addition to supporting markdown basics as standardized by CommonMark, SilverBullet relies on the following extensions:

• Links
• Frontmatter and Attributes
• Fenced code blocks, and in addition, assigning new meanings to specific fenced code block languages:
  • Generically via Code Widgets
• Transclusions syntax
• Admonitions
• Hashtags
• Space Lua expressions
• Tables
• Task lists
• Highlight
• Automatic URL linking
• Subscript and superscript