fix: bug in packaging-tests due to change to extractExamples

docs: Update changelog

docs: Update changelog

Merge branch 'any-code-point'

Update Interval types

Update contributors

Bump version to v16.4.0

chore: Replace git.io links with links to ohmjs.org

Fix issues with Node.isOptional() typings (#374)

Currently, Node.isOptional is a function returning a boolean, but the typings show it as a property, not a method. Changing it to a method would help many TypeScript users, and I'm running into issues using this function myself.

fix: grammars containing super-splice not working in editor (#370)