docs: update fragment for Result impls

Author: notriddle

library/core/src/result.rs

@@ -458,7 +458,7 @@
 //! [`Result`] of a collection of each contained value of the original
 //! [`Result`] values, or [`Err`] if any of the elements was [`Err`].
 //!
-//! [impl-FromIterator]: Result#impl-FromIterator%3CResult%3CA%2C%20E%3E%3E-for-Result%3CV%2C%20E%3E
+//! [impl-FromIterator]: Result#impl-FromIterator%3CResult%3CA,+E%3E%3E-for-Result%3CV,+E%3E
 //!
 //! ```
 //! let v = [Ok(2), Ok(4), Err("err!"), Ok(8)];
@@ -474,8 +474,8 @@
 //! to provide the [`product`][Iterator::product] and
 //! [`sum`][Iterator::sum] methods.
 //!
-//! [impl-Product]: Result#impl-Product%3CResult%3CU%2C%20E%3E%3E-for-Result%3CT%2C%20E%3E
-//! [impl-Sum]: Result#impl-Sum%3CResult%3CU%2C%20E%3E%3E-for-Result%3CT%2C%20E%3E
+//! [impl-Product]: Result#impl-Product%3CResult%3CU,+E%3E%3E-for-Result%3CT,+E%3E
+//! [impl-Sum]: Result#impl-Sum%3CResult%3CU,+E%3E%3E-for-Result%3CT,+E%3E
 //!
 //! ```
 //! let v = [Err("error!"), Ok(1), Ok(2), Ok(3), Err("foo")];