Indicate None is code-like in doc comment.

frewsxcv · frewsxcv · commit da4d7f59ad5b · 2016-04-02T20:20:52.000-04:00
diff --git a/src/libstd/env.rs b/src/libstd/env.rs
@@ -181,7 +181,7 @@ fn _var(key: &OsStr) -> Result<String, VarError> {
 }
 
 /// Fetches the environment variable `key` from the current process, returning
-/// None if the variable isn't set.
+/// `None` if the variable isn't set.
 ///
 /// # Examples
 ///

Original file line number	Diff line number	Diff line change
`@@ -181,7 +181,7 @@ fn _var(key: &OsStr) -> Result<String, VarError> {`
`181`	`181`	`}`
`182`	`182`
`183`	`183`	/// Fetches the environment variable `key` from the current process, returning
`184`		`-/// None if the variable isn't set.`
	`184`	+/// `None` if the variable isn't set.
`185`	`185`	`///`
`186`	`186`	`/// # Examples`
`187`	`187`	`///`