auto merge of #14357 : huonw/rust/spelling, r=pnkfelix

The span on a inner doc-comment would point to the next token, e.g. the span for the `a` line points to the `b` line, and the span of `b` points to the `fn`.

```rust
//! a
//! b

fn bar() {}
```

2 files changed, 3 insertions, 3 deletions

diff --git a/src/libgraphviz/lib.rs b/src/libgraphviz/lib.rs
index 4d86ab530f2..ad9c4f986ec 100644
--- a/src/libgraphviz/lib.rs
+++ b/src/libgraphviz/lib.rs
@@ -395,7 +395,7 @@ pub trait Labeller<'a,N,E> {
     fn graph_id(&'a self) -> Id<'a>;
 
     /// Maps `n` to a unique identifier with respect to `self`. The
-    /// implementor is responsible for ensuring that the returned name
+    /// implementer is responsible for ensuring that the returned name
     /// is a valid DOT identifier.
     fn node_id(&'a self, n: &N) -> Id<'a>;
 
@@ -457,7 +457,7 @@ pub type Edges<'a,E> = MaybeOwnedVector<'a,E>;
 /// that is bound by the self lifetime `'a`.
 ///
 /// The `nodes` and `edges` method each return instantiations of
-/// `MaybeOwnedVector` to leave implementors the freedom to create
+/// `MaybeOwnedVector` to leave implementers the freedom to create
 /// entirely new vectors or to pass back slices into internally owned
 /// vectors.
 pub trait GraphWalk<'a, N, E> {
diff --git a/src/libgraphviz/maybe_owned_vec.rs b/src/libgraphviz/maybe_owned_vec.rs
index 817f6348361..3015b6f12cc 100644
--- a/src/libgraphviz/maybe_owned_vec.rs
+++ b/src/libgraphviz/maybe_owned_vec.rs
@@ -31,7 +31,7 @@ use std::slice;
 /// Some clients will have a pre-allocated vector ready to hand off in
 /// a slice; others will want to create the set on the fly and hand
 /// off ownership, via either `Growable` or `FixedLen` depending on
-/// which kind of vector they have constucted.  (The `FixedLen`
+/// which kind of vector they have constructed.  (The `FixedLen`
 /// variant is provided for interoperability with `std::slice` methods
 /// that return `~[T]`.)
 pub enum MaybeOwnedVector<'a,T> {