Format › Blocks 🧱
Blocks
Every block kind the format defines: its exact syntax on disk, the attributes
it reads, and the fallback class it declares. One
block, one page. A block absent here does not exist.
All By fallback Name Tier Surfaces Fallback State Band directive page literal settled Bookmark native page native settled Bulleted list native page, sidebar, widget native settled Button native page native settled Callout rich page, sidebar, widget readable settled Code native page native settled Collection view directive page literal open Columns directive page, sidebar, widget literal settled Computation native sidebar, widget native draft Contents directive page literal settled Divider native page, sidebar, widget native settled Envelope envelope page code settled Equation rich page readable settled Heading native page, sidebar, widget native settled Image native page native settled Include native page native settled Link native page, sidebar, widget native settled Margin directive page literal settled Numbered list native page, sidebar, widget native settled Paragraph native page, sidebar, widget native settled Quote native page native settled Table native page native settled To-do native page, sidebar, widget native settled Toggle rich page native settled
All By fallback Name Tier Surfaces Fallback State native16 Bookmark native page native settled Bulleted list native page, sidebar, widget native settled Button native page native settled Code native page native settled Computation native sidebar, widget native draft Divider native page, sidebar, widget native settled Heading native page, sidebar, widget native settled Image native page native settled Include native page native settled Link native page, sidebar, widget native settled Numbered list native page, sidebar, widget native settled Paragraph native page, sidebar, widget native settled Quote native page native settled Table native page native settled To-do native page, sidebar, widget native settled Toggle rich page native settled readable2 Callout rich page, sidebar, widget readable settled Equation rich page readable settled literal5 Band directive page literal settled Collection view directive page literal open Columns directive page, sidebar, widget literal settled Contents directive page literal settled Margin directive page literal settled code1 Envelope envelope page code settled