Auto merge of #28316 - Manishearth:rollup, r=Manishearth

- Successful merges: #28281, #28283, #28289, #28294, #28295, #28305
- Failed merges: 

5 files changed, 10 insertions, 108 deletions

diff --git a/COPYRIGHT b/COPYRIGHT
index d4ad98e6e87..0eac7ac9de2 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -22,104 +22,6 @@ The Rust Project includes packages written by third parties.
 The following third party packages are included, and carry
 their own copyright notices and license terms:
 
-* Two header files that are part of the Valgrind
-  package. These files are found at src/rt/valgrind/valgrind.h and
-  src/rt/valgrind/memcheck.h, within this distribution. These files
-  are redistributed under the following terms, as noted in
-  them:
-
-  for src/rt/valgrind/valgrind.h:
-
-    This file is part of Valgrind, a dynamic binary
-    instrumentation framework.
-
-    Copyright (C) 2000-2010 Julian Seward.  All rights
-    reserved.
-
-    Redistribution and use in source and binary forms, with
-    or without modification, are permitted provided that the
-    following conditions are met:
-
-    1. Redistributions of source code must retain the above
-       copyright notice, this list of conditions and the
-       following disclaimer.
-
-    2. The origin of this software must not be
-       misrepresented; you must not claim that you wrote the
-       original software.  If you use this software in a
-       product, an acknowledgment in the product
-       documentation would be appreciated but is not
-       required.
-
-    3. Altered source versions must be plainly marked as
-       such, and must not be misrepresented as being the
-       original software.
-
-    4. The name of the author may not be used to endorse or
-       promote products derived from this software without
-       specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
-    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
-    AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
-    NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
-    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
-    USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
-    USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
-    OF SUCH DAMAGE.
-
-  for src/rt/valgrind/memcheck.h:
-
-    This file is part of MemCheck, a heavyweight Valgrind
-    tool for detecting memory errors.
-
-    Copyright (C) 2000-2010 Julian Seward.  All rights
-    reserved.
-
-    Redistribution and use in source and binary forms, with
-    or without modification, are permitted provided that the
-    following conditions are met:
-
-    1. Redistributions of source code must retain the above
-       copyright notice, this list of conditions and the
-       following disclaimer.
-
-    2. The origin of this software must not be
-       misrepresented; you must not claim that you wrote the
-       original software.  If you use this software in a
-       product, an acknowledgment in the product
-       documentation would be appreciated but is not
-       required.
-
-    3. Altered source versions must be plainly marked as
-       such, and must not be misrepresented as being the
-       original software.
-
-    4. The name of the author may not be used to endorse or
-       promote products derived from this software without
-       specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
-    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
-    AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
-    NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
-    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
-    USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
-    USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
-    OF SUCH DAMAGE.
-
 * The src/rt/miniz.c file, carrying an implementation of
   RFC1950/RFC1951 DEFLATE, by Rich Geldreich
   <richgel99@gmail.com>. All uses of this file are
diff --git a/src/doc/trpl/macros.md b/src/doc/trpl/macros.md
index c13b13b5a07..d74cd6d0d35 100644
--- a/src/doc/trpl/macros.md
+++ b/src/doc/trpl/macros.md
@@ -313,7 +313,7 @@ fn main() {
 }
 ```
 
-This works because Rust has a [hygienic macro system][https://en.wikipedia.org/wiki/Hygienic_macro]. Each macro expansion
+This works because Rust has a [hygienic macro system]. Each macro expansion
 happens in a distinct ‘syntax context’, and each variable is tagged with the
 syntax context where it was introduced. It’s as though the variable `state`
 inside `main` is painted a different "color" from the variable `state` inside
diff --git a/src/doc/trpl/mutability.md b/src/doc/trpl/mutability.md
index ef569a09e21..2c4316e651a 100644
--- a/src/doc/trpl/mutability.md
+++ b/src/doc/trpl/mutability.md
@@ -62,7 +62,7 @@ fn foo(mut x: i32) {
 # Interior vs. Exterior Mutability
 
 However, when we say something is ‘immutable’ in Rust, that doesn’t mean that
-it’s not able to be changed: We mean something has ‘exterior mutability’. Consider,
+it’s not able to be changed: we mean something has ‘exterior mutability’. Consider,
 for example, [`Arc<T>`][arc]:
 
 ```rust
@@ -85,8 +85,8 @@ philosophy, memory safety, and the mechanism by which Rust guarantees it, the
 > You may have one or the other of these two kinds of borrows, but not both at
 > the same time:
 > 
-> * one or more references (`&T`) to a resource.
-> * exactly one mutable reference (`&mut T`)
+> * one or more references (`&T`) to a resource,
+> * exactly one mutable reference (`&mut T`).
 
 [ownership]: ownership.html
 [borrowing]: references-and-borrowing.html#borrowing
diff --git a/src/doc/trpl/references-and-borrowing.md b/src/doc/trpl/references-and-borrowing.md
index a7a77539f79..50297b266d9 100644
--- a/src/doc/trpl/references-and-borrowing.md
+++ b/src/doc/trpl/references-and-borrowing.md
@@ -159,8 +159,8 @@ First, any borrow must last for a scope no greater than that of the owner.
 Second, you may have one or the other of these two kinds of borrows, but not
 both at the same time:
 
-* one or more references (`&T`) to a resource.
-* exactly one mutable reference (`&mut T`)
+* one or more references (`&T`) to a resource,
+* exactly one mutable reference (`&mut T`).
 
 
 You may notice that this is very similar, though not exactly the same as,
@@ -298,8 +298,8 @@ We can’t modify `v` because it’s borrowed by the loop.
 
 ### use after free
 
-References must live as long as the resource they refer to. Rust will check the
-scopes of your references to ensure that this is true.
+References must not live longer than the resource they refer to. Rust will
+check the scopes of your references to ensure that this is true.
 
 If Rust didn’t check this property, we could accidentally use a reference
 which was invalid. For example:
diff --git a/src/libstd/macros.rs b/src/libstd/macros.rs
index e4866982176..a0c3f013f2b 100644
--- a/src/libstd/macros.rs
+++ b/src/libstd/macros.rs
@@ -412,9 +412,9 @@ pub mod builtin {
     #[macro_export]
     macro_rules! include_str { ($file:expr) => ({ /* compiler built-in */ }) }
 
-    /// Includes a file as a byte slice.
+    /// Includes a file as a reference to a byte array.
     ///
-    /// This macro will yield an expression of type `&'static [u8]` which is
+    /// This macro will yield an expression of type `&'static [u8; N]` which is
     /// the contents of the filename specified. The file is located relative to
     /// the current file (similarly to how modules are found),
     ///