update original

Author: funkill

rustbook-en/book.toml

@@ -10,6 +10,9 @@ additional-css = ["ferris.css", "theme/2018-edition.css", "theme/semantic-notes.
 additional-js = ["ferris.js"]
 git-repository-url = "https://github.com/rust-lang/book"
 
+[output.html.search]
+use-boolean-and = true
+
 [output.html.redirect]
 "ch17-00-oop.html" = "ch18-00-oop.html"
 "ch17-01-what-is-oo.html" = "ch18-01-what-is-oo.html"

rustbook-en/src/ch07-02-defining-modules-to-control-scope-and-privacy.md

@@ -144,7 +144,7 @@ to find the definitions relevant to them. Programmers adding new functionality
 to this code would know where to place the code to keep the program organized.
 
 Earlier, we mentioned that _src/main.rs_ and _src/lib.rs_ are called _crate
-roots__. The reason for their name is that the contents of either of these two
+roots_. The reason for their name is that the contents of either of these two
 files form a module named `crate` at the root of the crate’s module structure,
 known as the _module tree_.