Rustdoc highlights return tuples incorrectly

[steveklabnik]

http://doc.rust-lang.org/std/string/struct.String.html#method.split_at

The ( shouldn't be blue.

[ollie27]

Was this not fixed in #31121? Now both the parentheses are blue https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.split_at.

[steveklabnik]

Ah! I should have double checked, yes.