1.0.33

• Enable Group::span_open/span_close on Rust 1.55+ to reflect their stabilization in rustc (#305, rust-lang/rust#86136)

1.0.32

• Support negative int and float literals in FromStr (rust-lang/rust#87262, #301)

1.0.31

• Update Cargo metadata to new repository location

1.0.30

• Use proc_macro::is_available on Rust 1.57+ to support projects built with panic=abort or cg_clif (#300, thanks @bjorn3)

1.0.29

• Pick up stable implementation of proc_macro's impl FromStr for Literal (#287)

1.0.28

• Recognized Cargo's new CARGO_ENCODED_RUSTFLAGS environment variable (#294, rust-lang/cargo#9601)

1.0.27

• impl FromStr for Literal (#286, rust-lang/rust#84717)

1.0.26

• Add impl LexError { pub fn span(&self) -> Span } (#283)

1.0.25

• Documentation improvements (#278, #279)

1.0.24

• Implement Error and Display for proc_macro2::LexError, matching the libproc_macro impls which exists in Rust 1.44+ (#240)