List of syntax properties used by various Racket tools

syntax-property-list.md

• 'disappeared-use
• 'disappeared-binding
• 'sub-range-binders
• 'mouse-over-tooltips
• 'original-for-check-syntax
• hidden property used by syntax-original?
• 'paren-shape
• 'origin
• 'protected
• 'module-language (used by make-meta-reader)
• 'racket/contract:contract
• 'racket/contract:negative-position
• 'racket/contract:positive-position
• 'racket/contract:contract-on-boundary
• 'racket/contract:internal-contract
• 'provide/contract-original-contract
• 'not-free-identifier=? (used by rename transformers)