```rust use orgize::{Org, ast::AffiliatedKeyword}; let keyword = Org::parse("#+CAPTION: VALUE\nabc").first_node:: ().unwrap(); assert!(keyword.optional().is_none()); let keyword = Org::parse("#+CAPTION[OPTIONAL]: VALUE\nabc").first_node:: ().unwrap(); assert_eq!(keyword.optional().unwrap(), "OPTIONAL"); ```
(&self)
source not stored for this graph (policy: none)
nothing calls this directly
no test coverage detected