fixes per feedback

Author: steveklabnik

_posts/2016-04-14-Rust-1.8.md

@@ -59,19 +59,18 @@ The second feature is very small, and comes from [RFC 218]. Before Rust 1.8, a
 
 ```rust
 struct Foo; // works
-struct Bar { }; // error
+struct Bar { } // error
 ```
 
 [RFC 218]: https://github.com/rust-lang/rfcs/blob/master/text/0218-empty-struct-with-braces.md
 
-The second form is no longer an error, and is equivalent to the first. This was
+The second form is no longer an error. This was
 originally disallowed for consistency with other empty declarations, as well as
 a parsing ambiguity. However, that ambiguity is non-existent in post-1.0 Rust,
 and macro authors saw additional complexity due to needing a special-case. Also,
 users who do active development would sometimes switch between empty and
 non-empty versions of a struct, and the extra work and diffs involved was less
-than ideal. Allowing both forms is slightly less consistent, but the ergonomics
-of these two cases was deemed worth it.
+than ideal.
 
 On the Windows front, 32-bit MSVC builds [now implement unwinding]. This moves
 `i686-pc-windows-msvc` to a Tier 1 platform.
@@ -85,7 +84,7 @@ and based on Cargo. It is not yet the default, and there is much more work to
 do. We will talk about this in release notes more once it’s completely done,
 for now, please read the GitHub issue for more details.
 
-[initial support landed]: https://github.com/rust-lang/rust/pull/30448
+[initial support landed]: https://github.com/rust-lang/rust/pull/31123
 
 #### Library stabilizations
 
@@ -110,18 +109,24 @@ See the [detailed release notes][notes] for more.
 
 #### Cargo features
 
-There were a few small updates to Cargo:
+There were a few updates to Cargo:
 
 * [`cargo init`](https://github.com/rust-lang/cargo/pull/2081) can be used to
   start a Cargo project in your current working directory, rather than making a
   new subdirectory like `cargo new`.
-* `Cargo.toml` now has [keys for `-v` and `--color`](https://github.com/rust-lang/cargo/pull/2397)
+* [`cargo metadata`](https://github.com/rust-lang/cargo/pull/2196) is another
+  new subcommand for fetching metadata about a project.
+* `.cargo/config` now has [keys for `-v` and
+  `--color`](https://github.com/rust-lang/cargo/pull/2397)
+* Cargo’s ability to have target-specific dependencies [was
+  enhanced](https://github.com/rust-lang/cargo/pull/2328).
 
-See the release notes for the full list of changes.
 
-### Contributors to 1.7
+See the [detailed release notes][notes] for more.
+
+### Contributors to 1.8
 
-We had 126 individuals contribute to 1.7. Thank you so much!
+We had 126 individuals contribute to 1.8. Thank you so much!
 
 * Aaron Turon
 * Abhishek Chanda