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Clarify proc-macro token tree

S-waiting-on-authorStatus: The marked PR is awaiting some action (such as code changes) from the PR author.Status: The marked PR is awaiting some action (such as code changes) from the PR author.

Status: Open (in progress).

rust-lang/referencenumber 2021

#2021 In rust-lang/reference;

· ehuss opened on Sep 29, 2025

specify s390x target features

S-waiting-on-stabilizationWaiting for a stabilization PR to be merged in the main Rust repositoryWaiting for a stabilization PR to be merged in the main Rust repository

Status: Open (in progress).

rust-lang/referencenumber 1972

#1972 In rust-lang/reference;

· folkertdev opened on Aug 20, 2025

Define raw pointer transmute behavior

S-waiting-on-authorStatus: The marked PR is awaiting some action (such as code changes) from the PR author.Status: The marked PR is awaiting some action (such as code changes) from the PR author.

Status: Open (in progress).

rust-lang/referencenumber 1661

#1661 In rust-lang/reference;

· joshlf opened on Oct 23, 2024

Document async block types

A-asyncArea: async / awaitArea: async / await

Status: Open.

#1555 In rust-lang/reference;

· kpreid opened on Aug 2, 2024

Spec abi chapter

A-abiArea: ABIArea: ABI

S-waiting-on-reviewStatus: The marked PR is awaiting review from a maintainerStatus: The marked PR is awaiting review from a maintainer

Status: Open (in progress).

rust-lang/referencenumber 1545

#1545 In rust-lang/reference;

· chorman0773 opened on Jul 24, 2024

Assembly directives are not clear about which ones are target-specific

A-asmArea: inline assemblyArea: inline assembly

Status: Open.

#1526 In rust-lang/reference;

· ehuss opened on Jul 12, 2024

Document using liveness to infer auto traits for async blocks

S-waiting-on-authorStatus: The marked PR is awaiting some action (such as code changes) from the PR author.Status: The marked PR is awaiting some action (such as code changes) from the PR author.

T-langTeam: LangTeam: Lang

Status: Draft (not ready).

rust-lang/referencenumber 1088

#1088 In rust-lang/reference;

· eholk opened on Sep 7, 2021

You should document (or link documentation for) your list of supported ABIs

A-abiArea: ABIArea: ABI

Status: Open.

#975 In rust-lang/reference;

· mcclure opened on Mar 7, 2021

Add an example of using a function-like proc macro in expression position

A-proc-macroArea: proc-macrosArea: proc-macros

E-EasyWe believe this would not be difficult to actually fixWe believe this would not be difficult to actually fix

New ContentMissing features or aspects of language not currently documented.Missing features or aspects of language not currently documented.

Status: Open.

#858 In rust-lang/reference;

· camelid opened on Jul 28, 2020

Incorrect statement about unsized coercion in method lookup

A-method-callArea: method callArea: method call

Status: Open.

#819 In rust-lang/reference;

· jameseb7 opened on May 25, 2020

include description of bindings in the reference

S-blockedStatus: Marked as blocked on further work.Status: Marked as blocked on further work.

S-waiting-on-authorStatus: The marked PR is awaiting some action (such as code changes) from the PR author.Status: The marked PR is awaiting some action (such as code changes) from the PR author.

Status: Open (in progress).

rust-lang/referencenumber 654

#654 In rust-lang/reference;

· nikomatsakis opened on Aug 15, 2019

Character and string token definitions need updating.

A-lexerArea: Lexical specificationArea: Lexical specification

Status: Open.

#626 In rust-lang/reference;

· ehuss opened on Jun 26, 2019