Issues

• Carriage return in string continuation doesn't match rustc's behavior

  dtolnay/proc-macro2#540 · Filter by author ehuss opened on Aug 25, 2026

• feature procmacro2_semver_exempt does not exist: Span::eq() is documented but not available

  dtolnay/proc-macro2#538 · Filter by author MusicalNinjaDad opened on Jun 9, 2026
  2

• Edition 2024 reserved tokens are accepted

  dtolnay/proc-macro2#535 · Filter by author ehuss opened on Feb 23, 2026

• Edition 2021 reserved prefixed tokens are accepted

  dtolnay/proc-macro2#534 · Filter by author ehuss opened on Feb 23, 2026

• Reserved float literals are accepted

  dtolnay/proc-macro2#533 · Filter by author ehuss opened on Feb 23, 2026

• Invalid underscore suffix is accepted

  dtolnay/proc-macro2#532 · Filter by author ehuss opened on Feb 23, 2026

• Invalid characters accepted for byte and char literals

  dtolnay/proc-macro2#531 · Filter by author ehuss opened on Feb 23, 2026

• Regression for "<1.88.0-versioned nightlies" using Span::join()

  dtolnay/proc-macro2#522 · Filter by author danielhenrymantilla opened on Sep 30, 2025

• Return a result on Ident::new instead of panicking

  dtolnay/proc-macro2#521 · Filter by author LGFae opened on Sep 26, 2025

• Documentation update for span line/end/etc?

  dtolnay/proc-macro2#520 · Filter by author samitbasu opened on Sep 15, 2025

• TokenStream::from_str sees (/*ERROR*/) as a literal rather than an empty group

  dtolnay/proc-macro2#510 · Filter by author maxdexh opened on Aug 5, 2025

• Implement proc_macro::ToTokens under the nightly Cargo feature

  dtolnay/proc-macro2#507 · Filter by author tgross35 opened on Jul 23, 2025

• Invalid integer literals are accepted

  dtolnay/proc-macro2#506 · Filter by author kryptan opened on Jul 18, 2025

• Should the doc comment string literal be raw?

  dtolnay/proc-macro2#502 · Filter by author lmmx opened on Jun 5, 2025

• Fallback Ident is not normalized

  dtolnay/proc-macro2#500 · Filter by author kennytm opened on Apr 17, 2025

• Method not found in 'Span' after release.

  dtolnay/proc-macro2#499 · Filter by author adama789 opened on Apr 16, 2025
  3

• unsupported proc macro punctuation character '_' from v1.0.69 -> v1.0.89

  dtolnay/proc-macro2#475 · Filter by author Kreijstal opened on Oct 30, 2024
  5

• Changes to RUSTC_BOOTSTRAP causes unwanted recompilations

  dtolnay/proc-macro2#467 · Filter by author weiznich opened on Jul 16, 2024
  2

• Enhance documentation with examples.

  dtolnay/proc-macro2#416 · Filter by author jgardona opened on Nov 2, 2023

• Make proc_macro_span optional with nightly

  dtolnay/proc-macro2#415 · Filter by author andreeaflorescu opened on Oct 11, 2023
  4

• Consider recalibrating how bits are divided in Span

  dtolnay/proc-macro2#413 · Filter by author dtolnay opened on Oct 10, 2023
  3

• Span pointing to its own construction site like Location::caller

  dtolnay/proc-macro2#359 · Filter by author ia0 opened on Nov 15, 2022
  1

• Support for the special $crate identifier

  dtolnay/proc-macro2#344 · Filter by author x-hgg-x opened on Aug 7, 2022

• Consider using an RcVec type that collocates reference count with vector elements

  dtolnay/proc-macro2#336 · Filter by author dtolnay opened on Jul 25, 2022
  3

• Inconsistent "indexed-ness" for columns when using within and outside a proc-macro environment

  dtolnay/proc-macro2#326 · Filter by author samuelpilz opened on Apr 21, 2022
  3