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Update rustfmt installation command

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David Tolnay 2018-04-30 01:28:17 -07:00
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commit 041b701b09
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@ -15,7 +15,8 @@ This command optionally uses
[`rustfmt`](https://github.com/rust-lang-nursery/rustfmt)
to format the expanded output. The resulting code is typically much more
readable than what you get from the compiler. If `rustfmt` is not available, the
expanded code is not formatted. Install `rustfmt` with `cargo install rustfmt`.
expanded code is not formatted. Install `rustfmt` with `rustup component add
rustfmt-preview`.
This command optionally uses [`Pygments`](http://pygments.org/) to colorize the
expanded output. If `Pygments` is not available, the expanded code is not