Trim trailing whitespace and ensure files end with a newline.

Author: ehuss

src/attributes/codegen.md

@@ -157,9 +157,9 @@ otherwise undefined behavior results.
 
 ### Behavior
 
-Applying the attribute to a function `f` allows code within `f` to get a hint of the [`Location`] of 
-the "topmost" tracked call that led to `f`'s invocation. At the point of observation, an 
-implementation behaves as if it walks up the stack from `f`'s frame to find the nearest frame of an 
+Applying the attribute to a function `f` allows code within `f` to get a hint of the [`Location`] of
+the "topmost" tracked call that led to `f`'s invocation. At the point of observation, an
+implementation behaves as if it walks up the stack from `f`'s frame to find the nearest frame of an
 *unattributed* function `outer`, and it returns the [`Location`] of the tracked call in `outer`.
 
 ```rust
@@ -190,7 +190,7 @@ fn calls_f() {
 ```
 
 When `f` is called by another attributed function `g` which is in turn called by `calls_g`, code in
-both `f` and `g` observes `g`'s callsite within `calls_g`: 
+both `f` and `g` observes `g`'s callsite within `calls_g`:
 
 ```rust
 # #[track_caller]

src/destructors.md

@@ -166,7 +166,7 @@ smallest scope that contains the expression and is for one of the following:
 * The second operand of a [lazy boolean expression].
 
 > **Notes**:
-> 
+>
 > Temporaries that are created in the final expression of a function
 > body are dropped *after* any named variables bound in the function body, as
 > there is no smaller enclosing temporary scope.

src/expressions/closure-expr.md

@@ -12,10 +12,10 @@
 > _ClosureParam_ :\
 > &nbsp;&nbsp; [_OuterAttribute_]<sup>\*</sup> [_Pattern_]&nbsp;( `:` [_Type_] )<sup>?</sup>
 
-A _closure expression_, also know as a lambda expression or a lambda, defines a 
-closure and denotes it as a value, in a single expression. A closure expression 
-is a pipe-symbol-delimited (`|`) list of irrefutable [patterns] followed by an 
-expression. Type annotations may optionally be added for the type of the 
+A _closure expression_, also know as a lambda expression or a lambda, defines a
+closure and denotes it as a value, in a single expression. A closure expression
+is a pipe-symbol-delimited (`|`) list of irrefutable [patterns] followed by an
+expression. Type annotations may optionally be added for the type of the
 parameters or for the return type. If there is a return type, the expression
 used for the body of the closure must be a normal [block]. A closure expression
 also may begin with the `move` keyword before the initial `|`.

src/glossary.md

@@ -75,17 +75,17 @@ function* or a *free const*. Contrast to an [associated item].
 
 ### Fundamental traits
 
-A fundamental trait is one where adding an impl of it for an existing type is a breaking change. 
+A fundamental trait is one where adding an impl of it for an existing type is a breaking change.
 The `Fn` traits and `Sized` are fundamental.
 
 ### Fundamental type constructors
 
-A fundamental type constructor is a type where implementing a [blanket implementation](#blanket-implementation) over it 
-is a breaking change. `&`, `&mut`, `Box`, and `Pin`  are fundamental. 
+A fundamental type constructor is a type where implementing a [blanket implementation](#blanket-implementation) over it
+is a breaking change. `&`, `&mut`, `Box`, and `Pin`  are fundamental.
 
-Any time a type `T` is considered [local](#local-type), `&T`, `&mut T`, `Box<T>`, and `Pin<T>` 
-are also considered local. Fundamental type constructors cannot [cover](#uncovered-type) other types. 
-Any time the term "covered type" is used, 
+Any time a type `T` is considered [local](#local-type), `&T`, `&mut T`, `Box<T>`, and `Pin<T>`
+are also considered local. Fundamental type constructors cannot [cover](#uncovered-type) other types.
+Any time the term "covered type" is used,
 the `T` in `&T`, `&mut T`, `Box<T>`, and `Pin<T>` is not considered covered.
 
 ### Inhabited
@@ -120,7 +120,7 @@ or not independent of applied type arguments. Given `trait Foo<T, U>`,
 
 A `struct`, `enum`, or `union` which was defined in the current crate.
 This is not affected by applied type arguments. `struct Foo` is considered local, but
-`Vec<Foo>` is not. `LocalType<ForeignType>` is local. Type aliases do not 
+`Vec<Foo>` is not. `LocalType<ForeignType>` is local. Type aliases do not
 affect locality.
 
 ### Nominal types

src/items/implementations.md

@@ -174,7 +174,7 @@ least one of the following is true:
 
 Only the appearance of *uncovered* type parameters is restricted.
 Note that for the purposes of coherence, [fundamental types] are
-special. The `T` in `Box<T>` is not considered covered, and `Box<LocalType>` 
+special. The `T` in `Box<T>` is not considered covered, and `Box<LocalType>`
 is considered local.
 
 

src/type-coercions.md

@@ -1,7 +1,7 @@
 # Type coercions
 
 **Type coercions** are implicit operations that change the type of a value.
-They happen automatically at specific locations and are highly restricted in 
+They happen automatically at specific locations and are highly restricted in
 what types actually coerce.
 
 Any conversions allowed by coercion can also be explicitly performed by the
@@ -55,7 +55,7 @@ sites are:
       Foo { x: &mut 42 };
   }
   ```
- 
+
 * Function results—either the final line of a block if it is not
   semicolon-terminated or any expression in a `return` statement
 

src/types/function-pointer.md

@@ -60,4 +60,4 @@ restrictions as [regular function parameters].
 [extern function]: ../items/functions.md#extern-function-qualifier
 [function items]: function-item.md
 [unsafe function]: ../unsafe-functions.md
-[regular function parameters]: ../items/functions.md#attributes-on-function-parameters
+[regular function parameters]: ../items/functions.md#attributes-on-function-parameters