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Merge commit '81fe905ca83cffe84322f27ca43950b617861ff7' into rustfmt-sync
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‎.github/workflows/check_diff.yml

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rustup target add x86_64-unknown-linux-gnu
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- name: check diff
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run: bash ${GITHUB_WORKSPACE}/ci/check_diff.sh ${{ github.event.inputs.clone_url }} ${{ github.event.inputs.branch_name }} ${{ github.event.inputs.commit_hash }} ${{ github.event.inputs.rustfmt_configs }}
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run: bash ${GITHUB_WORKSPACE}/ci/check_diff.sh ${{ github.event.inputs.clone_url }} ${{ github.event.inputs.branch_name }} ${{ github.event.inputs.commit_hash || github.event.inputs.branch_name }} ${{ github.event.inputs.rustfmt_configs }}

‎CHANGELOG.md

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## [Unreleased]
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## [1.7.0] 2023-10-22
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### Fixed
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- Sometimes when `format_code_in_doc_comments=true` was set some line comments were converted to block comments [#5533](https://github.com/rust-lang/rustfmt/issues/5533)
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- rustfmt will no longer remove the braces in match arms when the block has a labeled [#5676](https://github.com/rust-lang/rustfmt/issues/5676)
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```rust
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fn main() {
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match true {
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true => 'a: {
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break 'a
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}
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_ => (),
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}
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}
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```
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- Calling methods on float literals ending in `.` will now be wrapped in parenthesis. e.g. `0. .to_string()` will be formatted as `(0.).to_string()` [#5791](https://github.com/rust-lang/rustfmt/issues/5791)
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- Prevent ICE when formatting empty `macro_rules!` branch [#5730](https://github.com/rust-lang/rustfmt/issues/5730)
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```rust
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macro_rules! statement {
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() => {;};
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}
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```
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- Prevent ICE when formatting `vec!{}` [#5735](https://github.com/rust-lang/rustfmt/issues/5735)
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- Prevent internal trailing whitespace error when formatting an empty `macro_rules!` defintion e.g. `macro_rules! foo {}` [#5882](https://github.com/rust-lang/rustfmt/issues/5882)
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- Formatting doc comment lines that start with `.` or `)` won't be treated as ordered markdown lists because `.` or `)` must be preceded by a number to start an ordered markdown list [#5835](https://github.com/rust-lang/rustfmt/pull/5835)
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- Add parenthesis around closures when they're used as method receives, don't have a block body, and end with `.` [#4808](https://github.com/rust-lang/rustfmt/issues/4808)
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```rust
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fn main() {
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|| (10.).method();
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(|| ..).method();
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(|| 1..).method();
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}
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```
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- Prevent removing `for<T>` when using the [`#![feature(non_lifetime_binders)]`](https://github.com/rust-lang/rust/issues/108185) [#5721](https://github.com/rust-lang/rustfmt/issues/5721)
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```rust
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#![feature(non_lifetime_binders)]
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#![allow(incomplete_features)]
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trait Other<U: ?Sized> {}
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trait Trait<U>
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where
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for<T> U: Other<T> {}
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```
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- Fix various issues with comments in imports [#5852](https://github.com/rust-lang/rustfmt/issues/5852) [#4708](https://github.com/rust-lang/rustfmt/issues/4708) [#3984](https://github.com/rust-lang/rustfmt/issues/3984)
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- When setting `version = Two` newlines between where clause bounds will be removed [#5655](https://github.com/rust-lang/rustfmt/issues/5655)
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```rust
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fn foo<T>(_: T)
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where
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T: std::fmt::Debug,
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T: std::fmt::Display,
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{
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}
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```
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- Improve formatting of `let-else` statements that have leading attributes When setting `version = Two` [#5901](https://github.com/rust-lang/rustfmt/issues/5901)
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- Prevent comment duplication in expressions wrapped in parenthesis. [#5871](https://github.com/rust-lang/rustfmt/issues/5871)
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- Adjust the span derivation used when rewriting const generics. The incorrect span derivation lead to invalid code after reformatting. [#5935](https://github.com/rust-lang/rustfmt/issues/5935)
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### Changed
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- rustfmt no longer removes explicit `Rust` ABIs. e.g `extern "Rust" fn im_a_rust_fn() {}` [#5701](https://github.com/rust-lang/rustfmt/issues/5701)
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- Setting `trailing_semicolon = false` will only remove trailing `;` on the last expression in a block [#5797](https://github.com/rust-lang/rustfmt/issues/5797)
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- Update the format of `cargo help fmt` to be more consistent with other standard commands [#5908](https://github.com/rust-lang/rustfmt/pull/5908)
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### Added
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- Users can now set `skip_macro_invocations` in `rustfmt.toml` [#5816](https://github.com/rust-lang/rustfmt/issues/5816)
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- Adds initial support for formatting `let-chains`. **`let-chains` are still a nightly feature and their formatting is subject to change** [#5910](https://github.com/rust-lang/rustfmt/pull/5910). Formatting was implemented following the rules outlined in [rust-lang/rust#110568](https://github.com/rust-lang/rust/pull/110568)
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### Misc
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- Support the experimental `dyn*` syntax, enabled by `#![feature(dyn_star)]` [#5542](https://github.com/rust-lang/rustfmt/issues/5542)
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- Replace `unicode_categories` dependency with `unicode-properties` [#5864](https://github.com/rust-lang/rustfmt/pull/5864)
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## [1.6.0] 2023-07-02
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- Support for formatting let-else statements [#5690]
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- New config option, `single_line_let_else_max_width`, that allows users to configure the maximum length of single line `let-else` statements. `let-else` statements that otherwise meet the requirements to be formatted on a single line will have their divergent`else` block formatted over multiple lines if they exceed this length [#5684]
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[#5690]: (https://github.com/rust-lang/rustfmt/pulls/5690)
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[#5690]: https://github.com/rust-lang/rustfmt/pull/5690
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[#5684]: https://github.com/rust-lang/rustfmt/issues/5684
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## [1.5.3] 2023-06-20
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- When formatting doc comments with `wrap_comments = true` rustfmt will no longer wrap markdown tables [#4210](https://github.com/rust-lang/rustfmt/issues/4210)
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- Properly handle wrapping comments that include a numbered list in markdown [#5416](https://github.com/rust-lang/rustfmt/issues/5416)
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- Properly handle markdown sublists that utilize a `+` [#4041](https://github.com/rust-lang/rustfmt/issues/4210)
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- Properly handle markdown sublists that utilize a `+` [#4041](https://github.com/rust-lang/rustfmt/issues/4041)
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- rustfmt will no longer use shorthand initialization when rewriting a tuple struct even when `use_field_init_shorthand = true` as this leads to code that could no longer compile.
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Take the following struct as an example `struct MyStruct(u64);`. rustfmt will no longer format `MyStruct { 0: 0 }` as `MyStruct { 0 }` [#5488](https://github.com/rust-lang/rustfmt/issues/5488)
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- rustfmt no longer panics when formatting an empty code block in a doc comment with `format_code_in_doc_comments = true` [#5234](https://github.com/rust-lang/rustfmt/issues/5234). For example:

‎CODE_OF_CONDUCT.md

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* Please be kind and courteous. There's no need to be mean or rude.
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* Respect that people have differences of opinion and that every design or implementation choice carries a trade-off and numerous costs. There is seldom a right answer.
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* Please keep unstructured critique to a minimum. If you have solid ideas you want to experiment with, make a fork and see how it works.
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* We will exclude you from interaction if you insult, demean or harass anyone. That is not welcome behavior. We interpret the term "harassment" as including the definition in the <a href="http://citizencodeofconduct.org/">Citizen Code of Conduct</a>; if you have any lack of clarity about what might be included in that concept, please read their definition. In particular, we don't tolerate behavior that excludes people in socially marginalized groups.
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* We will exclude you from interaction if you insult, demean or harass anyone. That is not welcome behavior. We interpret the term "harassment" as including the definition in the <a href="https://github.com/stumpsyn/policies/blob/master/citizen_code_of_conduct.md/">Citizen Code of Conduct</a>; if you have any lack of clarity about what might be included in that concept, please read their definition. In particular, we don't tolerate behavior that excludes people in socially marginalized groups.
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* Private harassment is also unacceptable. No matter who you are, if you feel you have been or are being harassed or made uncomfortable by a community member, please contact one of the channel ops or any of the [Rust moderation team][mod_team] immediately. Whether you're a regular contributor or a newcomer, we care about making this community a safe place for you and we've got your back.
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* Likewise any spamming, trolling, flaming, baiting or other attention-stealing behavior is not welcome.
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