fix compile

Author: alamb

src/lib.rs

@@ -98,7 +98,7 @@
 //! must provide a `Span` when constructing one:
 //!
 //! Previously:
-//! ```rust
+//! ```text
 //! # use sqlparser::ast::Ident;
 //! Ident {
 //!     value: "name".into(),
@@ -108,12 +108,12 @@
 //! Now
 //! ```rust
 //! # use sqlparser::ast::Ident;
-//! # use sqlparser::ast::Span;
+//! # use sqlparser::tokenizer::Span;
 //! Ident {
 //!     value: "name".into(),
 //!     quote_style: None,
 //!     span: Span::empty(),
-//! }
+//! };
 //! ```
 //! #### Misc.
 //! - [`TokenWithLocation`] stores a full `Span`, rather than just a source location.