Actual CMO Operations

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key: value title: see Custom titles display_metadata: set to false in order to stop the front matter from being rendered when viewing your page (see Rendering front matter. header_enum: see Header counting

above is https://github.com/gollum/gollum/wiki/5.0-release-notes#metadata-yaml-frontmatter

Rest of the document here

CMO type	Description
CLEAN	write back all dirty data Leave clean data behind
FLUSH	write back all dirty data leave invalid data behind
DISCARD	throw out all dirty data Invalidate all lines