1.0.72

• Improve build script to be robust to proc_macro::Span unstable API changes

1.0.71

• Turn on deny(unsafe_op_in_unsafe_fn) lint

1.0.70

• Add #[track_caller] on Ident::new so that panics on invalid input are attributed to the caller (#423)

1.0.69

• Fix Span::source_text() bug causing panics or incorrect source text (#410)

1.0.68

• Fix panic in Span::source_text() when source contains multibyte characters (#408)

1.0.67

• Special handling for the (/*ERROR*/) placeholder that rustc uses for macros that fail to expand (#405)

1.0.66

• Raise required compiler from Rust 1.31 to 1.56

1.0.65

• Documentation improvements

1.0.64

• Fix parsing of bare \r in between tokens (#399)

1.0.63

• Parse c"…" c-string literals (tracking issue: rust-lang/rust#105723)