From e3d0d0f5edfc9507c9bb08f169aabeca1cbbb3f3 Mon Sep 17 00:00:00 2001
From: steveklabnik <steve@steveklabnik.com>
Date: Tue, 18 Sep 2018 16:52:47 -0400
Subject: [PATCH] Update The Book to latest

Let's check out https://github.com/rust-lang/book/pull/1505 on nightly
---
 src/doc/book | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/doc/book b/src/doc/book
index cff0930664b..fa91738b663 160000
--- a/src/doc/book
+++ b/src/doc/book
@@ -1 +1 @@
-Subproject commit cff0930664b688f1dd22aefb3d16944eb4cdbfd5
+Subproject commit fa91738b66367b6f70b078251868a071f1991ace