//! Run the structural math editor in a window:
//!
//! cargo run -p ratex-gpui --example editor
//!
//! Type to build a formula — `/` makes a fraction, `^`/`_` a super/subscript, `(` `)` a
//! delimiter pair, space exits the current structure, ←/→ move, Backspace deletes.
use *;
use MathEditor;