Fix some broken doc links (#413)

src/clock.rs

@@ -6,7 +6,7 @@
 //! tests or performing caching operations to reduce the number of syscalls.
 //!
 //! Note that, because the source of time is configurable, it is possible to
-//! observe non-monotonic behavior when calling [`now`] from different
+//! observe non-monotonic behavior when calling [`now`][n] from different
 //! executors.
 //!
 //! [n]: fn.now.html

tokio-reactor/src/poll_evented.rs

@@ -84,6 +84,10 @@ use std::sync::atomic::Ordering::Relaxed;
 /// [`mio::Evented`]: https://docs.rs/mio/0.6/mio/trait.Evented.html
 /// [`Registration`]: struct.Registration.html
 /// [`TcpListener`]: ../net/struct.TcpListener.html
+/// [`clear_read_ready`]: #method.clear_read_ready
+/// [`clear_write_ready`]: #method.clear_write_ready
+/// [`poll_read_ready`]: #method.poll_read_ready
+/// [`poll_write_ready`]: #method.poll_write_ready
 pub struct PollEvented<E: Evented> {
     io: Option<E>,
     inner: Inner,

tokio-timer/src/clock/clock.rs

@@ -26,7 +26,7 @@ thread_local!(static CLOCK: Cell<Option<*const Clock>> = Cell::new(None));
 /// execution context. By default, this is `Instant::now()`.
 ///
 /// Note that, because the source of time is configurable, it is possible to
-/// observe non-monotonic behavior when calling [`now`] from different
+/// observe non-monotonic behavior when calling `now` from different
 /// executors.
 ///
 /// See [module](index.html) level documentation for more details.

tokio-timer/src/clock/mod.rs

@@ -7,7 +7,7 @@
 //! The [`now`][n] function returns the current `Instant`. By default, it delegates
 //! to [`Instant::now`][std].
 //!
-//! The source of time used by [`now`] can be configured by implementing the
+//! The source of time used by [`now`][n] can be configured by implementing the
 //! [`Now`] trait and passing an instance to [`with_default`].
 //!
 //! [n]: fn.now.html