Escape the [escape]: syntax

Author: dns2utf8

_posts/2017-07-20-Rust-1.19.md

@@ -151,7 +151,9 @@ Other new features:
 - [`Vec` now implements `From<&mut [T]>`][41530]
 - [`Box<[u8]>` now implements `From<Box<str>>`][41258]
 - [`SplitWhitespace` now implements `Clone`][41659]
-- [`[u8]::reverse` is now 5x faster and `[u16]::reverse` is now 1.5x faster][41764]
+- [
+     `[u8]::reverse` is now 5x faster and 
+     `[u16]::reverse` is now 1.5x faster][41764]
 
 [41449]: https://github.com/rust-lang/rust/pull/41449
 [41530]: https://github.com/rust-lang/rust/pull/41530