proc-macro2

yanked

• Stricter parsing of whitespace in cooked string literals and between tokens (#392, #393)

• Eliminate uses of unstable proc_macro::Span::before/after (#391)

• Enable proc_macro support on wasm targets (#388)

• Make rustc version detection more robust by compiling against modernest stable features (#384)

• Disable nightly-only start()/end() implementation on Span while the upstream API is iterated on (#383, https://github.com/rust-lang/rust/pull/111571)

• Circumvent clippy::octal_escapes lint inside generated string and byte-string literals (#363, #380)
• Provide RefUnwindSafe impls for compilers older than 1.58 (#382)

• Set a meaningful Span for literals produced via the FromStr impl of Literal (#378)
• Implement Literal::subspan in non-macro contexts when "span-locations" feature is enabled (#379)

• Performance improvement to "span-locations" feature (#373)
• Fix unbounded memory usage when calling proc-macro2's parser from a fuzzer (#374)

• Add support for Rust 1.66's source_text() method (#350)

• Add Group::delim_span (#366)

• Implement rustc's limit on the number of # used for delimiting a raw string literal: 255 (#364)

• Implement Hash for proc_macro2::LineColumn (#362)

• Opt out of -Zrustdoc-scrape-examples on docs.rs for now

• Documentation improvements

• Fix integer overflow when nesting depth of nested comments exceeds 4 billion (#357)

• Make proc_macro2::TokenStream's FromStr impl consistent with proc_macro::TokenStream's on strings that begin with a byte order mark \u{feff} (#353)

• Fix panic on parsing disallowed raw identifiers such as r#self (#351)

• Expose span.before() and span.after() to access an empty Span located immediately before or after the input span (#348, upstream tracking issue: https://github.com/rust-lang/rust/issues/87552)

• Add keywords to crates.io metadata