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+# 1.2.1
+
+- Remove extraneous `#[inline]` attributes ([#194])
+
+[#194]: https://github.com/bitflags/bitflags/pull/194
+
+# 1.2.0
+
+- Fix typo: {Lower, Upper}Exp - {Lower, Upper}Hex ([#183])
+
+- Add support for "unknown" bits ([#188])
+
+[#183]: https://github.com/rust-lang-nursery/bitflags/pull/183
+[#188]: https://github.com/rust-lang-nursery/bitflags/pull/188
+
+# 1.1.0
+
+This is a re-release of `1.0.5`, which was yanked due to a bug in the RLS.
+
+# 1.0.5
+
+- Use compiletest_rs flags supported by stable toolchain ([#171])
+
+- Put the user provided attributes first ([#173])
+
+- Make bitflags methods `const` on newer compilers ([#175])
+
+[#171]: https://github.com/rust-lang-nursery/bitflags/pull/171
+[#173]: https://github.com/rust-lang-nursery/bitflags/pull/173
+[#175]: https://github.com/rust-lang-nursery/bitflags/pull/175
+
+# 1.0.4
+
+- Support Rust 2018 style macro imports ([#165])
+
+  ```rust
+  use bitflags::bitflags;
+  ```
+
+[#165]: https://github.com/rust-lang-nursery/bitflags/pull/165
+
+# 1.0.3
+
+- Improve zero value flag handling and documentation ([#157])
+
+[#157]: https://github.com/rust-lang-nursery/bitflags/pull/157
+
+# 1.0.2
+
+- 30% improvement in compile time of bitflags crate ([#156])
+
+- Documentation improvements ([#153])
+
+- Implementation cleanup ([#149])
+
+[#156]: https://github.com/rust-lang-nursery/bitflags/pull/156
+[#153]: https://github.com/rust-lang-nursery/bitflags/pull/153
+[#149]: https://github.com/rust-lang-nursery/bitflags/pull/149
+
+# 1.0.1
+- Add support for `pub(restricted)` specifier on the bitflags struct ([#135])
+- Optimize performance of `all()` when called from a separate crate ([#136])
+
+[#135]: https://github.com/rust-lang-nursery/bitflags/pull/135
+[#136]: https://github.com/rust-lang-nursery/bitflags/pull/136
+
+# 1.0.0
+- **[breaking change]** Macro now generates [associated constants](https://doc.rust-lang.org/reference/items.html#associated-constants) ([#24])
+
+- **[breaking change]** Minimum supported version is Rust **1.20**, due to usage of associated constants
+
+- After being broken in 0.9, the `#[deprecated]` attribute is now supported again ([#112])
+
+- Other improvements to unit tests and documentation ([#106] and [#115])
+
+[#24]: https://github.com/rust-lang-nursery/bitflags/pull/24
+[#106]: https://github.com/rust-lang-nursery/bitflags/pull/106
+[#112]: https://github.com/rust-lang-nursery/bitflags/pull/112
+[#115]: https://github.com/rust-lang-nursery/bitflags/pull/115
+
+## How to update your code to use associated constants
+Assuming the following structure definition:
+```rust
+bitflags! {
+  struct Something: u8 {
+     const FOO = 0b01,
+     const BAR = 0b10
+  }
+}
+```
+In 0.9 and older you could do:
+```rust
+let x = FOO.bits | BAR.bits;
+```
+Now you must use:
+```rust
+let x = Something::FOO.bits | Something::BAR.bits;
+```
+
+# 0.9.1
+- Fix the implementation of `Formatting` traits when other formatting traits were present in scope ([#105])
+
+[#105]: https://github.com/rust-lang-nursery/bitflags/pull/105
+
+# 0.9.0
+- **[breaking change]** Use struct keyword instead of flags to define bitflag types ([#84])
+
+- **[breaking change]** Terminate const items with semicolons instead of commas ([#87])
+
+- Implement the `Hex`, `Octal`, and `Binary` formatting traits ([#86])
+
+- Printing an empty flag value with the `Debug` trait now prints "(empty)" instead of nothing ([#85])
+
+- The `bitflags!` macro can now be used inside of a fn body, to define a type local to that function ([#74])
+
+[#74]: https://github.com/rust-lang-nursery/bitflags/pull/74
+[#84]: https://github.com/rust-lang-nursery/bitflags/pull/84
+[#85]: https://github.com/rust-lang-nursery/bitflags/pull/85
+[#86]: https://github.com/rust-lang-nursery/bitflags/pull/86
+[#87]: https://github.com/rust-lang-nursery/bitflags/pull/87
+
+# 0.8.2
+- Update feature flag used when building bitflags as a dependency of the Rust toolchain
+
+# 0.8.1
+- Allow bitflags to be used as a dependency of the Rust toolchain
+
+# 0.8.0
+- Add support for the experimental `i128` and `u128` integer types ([#57])
+- Add set method: `flags.set(SOME_FLAG, true)` or `flags.set(SOME_FLAG, false)` ([#55])
+  This may break code that defines its own set method
+
+[#55]: https://github.com/rust-lang-nursery/bitflags/pull/55
+[#57]: https://github.com/rust-lang-nursery/bitflags/pull/57
+
+# 0.7.1
+*(yanked)*
+
+# 0.7.0
+- Implement the Extend trait ([#49])
+- Allow definitions inside the `bitflags!` macro to refer to items imported from other modules ([#51])
+
+[#49]: https://github.com/rust-lang-nursery/bitflags/pull/49
+[#51]: https://github.com/rust-lang-nursery/bitflags/pull/51
+
+# 0.6.0
+- The `no_std` feature was removed as it is now the default
+- The `assignment_operators` feature was remove as it is now enabled by default
+- Some clippy suggestions have been applied