Strip trailing whitespace

7 files changed, 63 insertions, 63 deletions

diff --git a/src/doc/grammar.md b/src/doc/grammar.md
index 68ca1cb7217..1ea3c7d7bd9 100644
--- a/src/doc/grammar.md
+++ b/src/doc/grammar.md
@@ -290,7 +290,7 @@ transcriber : '(' transcriber * ')' | '[' transcriber * ']'
 
 # Items and attributes
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ## Items
 
@@ -301,7 +301,7 @@ item : mod_item | fn_item | type_item | struct_item | enum_item
 
 ### Type Parameters
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Modules
 
@@ -338,35 +338,35 @@ path_item : ident | "mod" ;
 
 ### Functions
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 #### Generic functions
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 #### Unsafety
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ##### Unsafe functions
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ##### Unsafe blocks
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 #### Diverging functions
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Type definitions
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Structures
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Constant items
 
@@ -382,15 +382,15 @@ static_item : "static" ident ':' type '=' expr ';' ;
 
 #### Mutable statics
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Traits
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Implementations
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### External blocks
 
@@ -401,11 +401,11 @@ extern_block : [ foreign_fn ] * ;
 
 ## Visibility and Privacy
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Re-exporting and Visibility
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ## Attributes
 
@@ -420,11 +420,11 @@ meta_seq : meta_item [ ',' meta_seq ] ? ;
 
 ## Statements
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Declaration statements
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 A _declaration statement_ is one that introduces one or more *names* into the
 enclosing statement block. The declared names may denote new slots or new
@@ -432,7 +432,7 @@ items.
 
 #### Item declarations
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 An _item declaration statement_ has a syntactic form identical to an
 [item](#items) declaration within a module. Declaring an item — a
@@ -450,35 +450,35 @@ init : [ '=' ] expr ;
 
 ### Expression statements
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ## Expressions
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 #### Lvalues, rvalues and temporaries
 
-**FIXME:** grammar?  
+**FIXME:** grammar?
 
 #### Moved and copied types
 
-**FIXME:** Do we want to capture this in the grammar as different productions? 
+**FIXME:** Do we want to capture this in the grammar as different productions?
 
 ### Literal expressions
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Path expressions
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Tuple expressions
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Unit expressions
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Structure expressions
 
@@ -527,7 +527,7 @@ idx_expr : expr '[' expr ']' ;
 
 ### Unary operator expressions
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Binary operator expressions
 
@@ -537,31 +537,31 @@ binop_expr : expr binop expr ;
 
 #### Arithmetic operators
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 #### Bitwise operators
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 #### Lazy boolean operators
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 #### Comparison operators
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 #### Type cast expressions
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 #### Assignment expressions
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 #### Compound assignment expressions
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 #### Operator precedence
 
@@ -680,49 +680,49 @@ return_expr : "return" expr ? ;
 
 # Type system
 
-**FIXME:** is this entire chapter relevant here? Or should it all have been covered by some production already? 
+**FIXME:** is this entire chapter relevant here? Or should it all have been covered by some production already?
 
 ## Types
 
 ### Primitive types
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 #### Machine types
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 #### Machine-dependent integer types
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Textual types
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Tuple types
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Array, and Slice types
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Structure types
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Enumerated types
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Pointer types
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Function types
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Closure types
 
@@ -739,15 +739,15 @@ bound := path | lifetime
 
 ### Object types
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Type parameters
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ### Self types
 
-**FIXME:** grammar? 
+**FIXME:** grammar?
 
 ## Type kinds
 
@@ -755,7 +755,7 @@ bound := path | lifetime
 
 # Memory and concurrency models
 
-**FIXME:** is this entire chapter relevant here? Or should it all have been covered by some production already? 
+**FIXME:** is this entire chapter relevant here? Or should it all have been covered by some production already?
 
 ## Memory model
 
diff --git a/src/doc/trpl/arrays-vectors-and-slices.md b/src/doc/trpl/arrays-vectors-and-slices.md
index f1b5ecf4ff0..5d0f314e8c6 100644
--- a/src/doc/trpl/arrays-vectors-and-slices.md
+++ b/src/doc/trpl/arrays-vectors-and-slices.md
@@ -49,7 +49,7 @@ languages.
 
 A *vector* is a dynamic or "growable" array, implemented as the standard
 library type [`Vec<T>`](../std/vec/) (we'll talk about what the `<T>` means
-later). Vectors always allocate their data on the heap. Vectors are to slices 
+later). Vectors always allocate their data on the heap. Vectors are to slices
 what `String` is to `&str`. You can create them with the `vec!` macro:
 
 ```{rust}
diff --git a/src/doc/trpl/crates-and-modules.md b/src/doc/trpl/crates-and-modules.md
index 8eaad5067f0..f6f6046b9b4 100644
--- a/src/doc/trpl/crates-and-modules.md
+++ b/src/doc/trpl/crates-and-modules.md
@@ -551,9 +551,9 @@ module, we now have a `phrases::japanese::hello()` function and a
 `phrases::japanese::farewells::goodbye()`. Our internal organization doesn't
 define our external interface.
 
-Here we have a `pub use` for each function we want to bring into the 
+Here we have a `pub use` for each function we want to bring into the
 `japanese` scope. We could alternatively use the wildcard syntax to include
-everything from `greetings` into the current scope: `pub use self::greetings::*`. 
+everything from `greetings` into the current scope: `pub use self::greetings::*`.
 
 What about the `self`? Well, by default, `use` declarations are absolute paths,
 starting from your crate root. `self` makes that path relative to your current
diff --git a/src/doc/trpl/documentation.md b/src/doc/trpl/documentation.md
index 02ab5ec7d6b..8e5b3b6a7f0 100644
--- a/src/doc/trpl/documentation.md
+++ b/src/doc/trpl/documentation.md
@@ -306,23 +306,23 @@ println!("{}", x + y);
 Here's the same explanation, in raw text:
 
 > First, we set `x` to five:
-> 
+>
 > ```text
 > let x = 5;
 > # let y = 6;
 > # println!("{}", x + y);
 > ```
-> 
+>
 > Next, we set `y` to six:
-> 
+>
 > ```text
 > # let x = 5;
 > let y = 6;
 > # println!("{}", x + y);
 > ```
-> 
+>
 > Finally, we print the sum of `x` and `y`:
-> 
+>
 > ```text
 > # let x = 5;
 > # let y = 6;
diff --git a/src/doc/trpl/method-syntax.md b/src/doc/trpl/method-syntax.md
index 59be8c6704f..0ca42c3b12d 100644
--- a/src/doc/trpl/method-syntax.md
+++ b/src/doc/trpl/method-syntax.md
@@ -61,15 +61,15 @@ struct Circle {
 
 impl Circle {
     fn reference(&self) {
-       println!("taking self by reference!"); 
+       println!("taking self by reference!");
     }
 
     fn mutable_reference(&mut self) {
-       println!("taking self by mutable reference!"); 
+       println!("taking self by mutable reference!");
     }
 
     fn takes_ownership(self) {
-       println!("taking ownership of self!"); 
+       println!("taking ownership of self!");
     }
 }
 ```
diff --git a/src/doc/trpl/static-and-dynamic-dispatch.md b/src/doc/trpl/static-and-dynamic-dispatch.md
index 504ed63934c..a7794814156 100644
--- a/src/doc/trpl/static-and-dynamic-dispatch.md
+++ b/src/doc/trpl/static-and-dynamic-dispatch.md
@@ -95,7 +95,7 @@ However, the common case is that it is more efficient to use static dispatch,
 and one can always have a thin statically-dispatched wrapper function that does
 a dynamic dispatch, but not vice versa, meaning static calls are more flexible.
 The standard library tries to be statically dispatched where possible for this
-reason. 
+reason.
 
 ## Dynamic dispatch
 
diff --git a/src/doc/trpl/testing.md b/src/doc/trpl/testing.md
index 54c74fdd3e2..537e100d7d8 100644
--- a/src/doc/trpl/testing.md
+++ b/src/doc/trpl/testing.md
@@ -1,7 +1,7 @@
 % Testing
 
 > Program testing can be a very effective way to show the presence of bugs, but
-> it is hopelessly inadequate for showing their absence. 
+> it is hopelessly inadequate for showing their absence.
 >
 > Edsger W. Dijkstra, "The Humble Programmer" (1972)
 
@@ -308,7 +308,7 @@ extern crate adder;
 #[test]
 fn it_works() {
     assert_eq!(4, adder::add_two(2));
-}   
+}
 ```
 
 This looks similar to our previous tests, but slightly different. We now have