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Split up diagnostics in uncommon_codepoints (potentially splitting up the lint as well)

A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lints

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

A-UnicodeArea: UnicodeArea: Unicode

C-cleanupCategory: PRs that clean code up or issues documenting cleanup.Category: PRs that clean code up or issues documenting cleanup.

E-help-wantedCall for participation: Help is requested to fix this issue.Call for participation: Help is requested to fix this issue.

E-mentorCall for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion.Call for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion.

L-uncommon_codepointsLint: uncommon_codepointsLint: uncommon_codepoints

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#120228 In rust-lang/rust;

· Manishearth opened on Jan 22, 2024

· Updated on Feb 16, 2025

Identifiers with combining characters do not work as captured identifiers in println! format strings

A-fmtArea: `core::fmt`Area: `core::fmt`

A-proc-macrosArea: Procedural macrosArea: Procedural macros

A-UnicodeArea: UnicodeArea: Unicode

C-bugCategory: This is a bug.Category: This is a bug.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#137063 In rust-lang/rust;

· interactive-toast opened on Feb 15, 2025

· Updated on Feb 15, 2025

Tracking Issue for ascii::Char (ACP 179)

A-UnicodeArea: UnicodeArea: Unicode

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#110998 In rust-lang/rust;

· scottmcm opened on Apr 29, 2023

· Updated on Feb 14, 2025

Escaping char in libcore adds 2k of static data for no_std cases

A-UnicodeArea: UnicodeArea: Unicode

C-feature-acceptedCategory: A feature request that has been accepted pending implementation.Category: A feature request that has been accepted pending implementation.

C-optimizationCategory: An issue highlighting optimization opportunities or PRs implementing suchCategory: An issue highlighting optimization opportunities or PRs implementing such

E-help-wantedCall for participation: Help is requested to fix this issue.Call for participation: Help is requested to fix this issue.

I-heavyIssue: Problems and improvements with respect to binary size of generated code.Issue: Problems and improvements with respect to binary size of generated code.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

WG-embeddedWorking group: Embedded systemsWorking group: Embedded systems

Status: Open.

#39492 In rust-lang/rust;

· aturon opened on Feb 3, 2017

· Updated on Feb 14, 2025

Variable named ∇x gives "unknown start of token" compiler error

A-UnicodeArea: UnicodeArea: Unicode

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

T-langRelevant to the language team, which will review and decide on the PR/issue.Relevant to the language team, which will review and decide on the PR/issue.

Status: Open.

#120142 In rust-lang/rust;

· Danvil opened on Jan 19, 2024

· Updated on Feb 8, 2025

Char should have method to detect format characters

A-UnicodeArea: UnicodeArea: Unicode

C-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#76528 In rust-lang/rust;

· JAicewizard opened on Sep 9, 2020

· Updated on Feb 8, 2025

Diagnostics: Consider computing the column number by counting Unicode (extended) grapheme clusters instead of Unicode scalar values

A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lints

A-UnicodeArea: UnicodeArea: Unicode

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

D-diagnostic-infraDiagnostics: Issues that affect all diagnostics, or relate to the diagnostic machinery itself.Diagnostics: Issues that affect all diagnostics, or relate to the diagnostic machinery itself.

P-lowLow priorityLow priority

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#61443 In rust-lang/rust;

· czipperz opened on Jun 1, 2019

· Updated on Jan 8, 2025

Warn on Fullwidth Exclamation Mark (U+FF01) in comment

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

A-UnicodeArea: UnicodeArea: Unicode

C-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue.Relevant to the rustdoc team, which will review and decide on the PR/issue.

Status: Open.

#134810 In rust-lang/rust;

· dtolnay opened on Dec 27, 2024

· Updated on Dec 31, 2024

Cannot use unicode identifiers in --extern flags

A-cratesArea: Crates and their interactions (like crate loading)Area: Crates and their interactions (like crate loading)

A-metadataArea: Crate metadataArea: Crate metadata

A-UnicodeArea: UnicodeArea: Unicode

C-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#134250 In rust-lang/rust;

· Nemo157 opened on Dec 13, 2024

· Updated on Dec 14, 2024

The diagnostic emitter doesn't deal with non-ASCII characters correctly when eliding parts of overly long source lines

A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lints

A-UnicodeArea: UnicodeArea: Unicode

C-bugCategory: This is a bug.Category: This is a bug.

D-diagnostic-infraDiagnostics: Issues that affect all diagnostics, or relate to the diagnostic machinery itself.Diagnostics: Issues that affect all diagnostics, or relate to the diagnostic machinery itself.

P-lowLow priorityLow priority

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#132860 In rust-lang/rust;

· fmease opened on Nov 10, 2024

· Updated on Nov 10, 2024

export_name with unusual utf8 breaks new version script based linker

A-linkageArea: linking into static, shared libraries and binariesArea: linking into static, shared libraries and binaries

A-UnicodeArea: UnicodeArea: Unicode

C-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.

Status: Open.

#38238 In rust-lang/rust;

· m4b opened on Dec 8, 2016

· Updated on Sep 21, 2024

Fix: Consider U+01C3(ǃ) as a misleading punctuation, not as alphabetic

A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lints

A-UnicodeArea: UnicodeArea: Unicode

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

Status: Open.

#104574 In rust-lang/rust;

· Super-Pizza opened on Nov 18, 2022

· Updated on Sep 21, 2024