Update books

ehuss · ehuss · commit 7e7dfa8cd73c · 2019-06-04T14:41:36.000-07:00
diff --git a/src/doc/book b/src/doc/book
@@ -1 +1 @@
-Subproject commit 29fe982990e43b9367be0ff47abc82fb2123fd03
+Subproject commit 62a8c6f25fbd981c80a046f3b04be9684749af3b
diff --git a/src/doc/embedded-book b/src/doc/embedded-book
@@ -1 +1 @@
-Subproject commit 9858872bd1b7dbba5ec27dc30d34eba00acd7ef9
+Subproject commit f0c75b75f9c18537b78f5d17c1015247e9a49c86
diff --git a/src/doc/reference b/src/doc/reference
@@ -1 +1 @@
-Subproject commit 862b669c395822bb0938781d74f860e5762ad4fb
+Subproject commit f8ae436d936f6f4891d3c1bbb1af5865eb8aeadb
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
@@ -1 +1 @@
-Subproject commit 811c697b232c611ed754d279ed20643a0c4096f6
+Subproject commit 18566f4dedc3ef5bf61f5f85685d5966db99cc11
diff --git a/src/doc/rustc-guide b/src/doc/rustc-guide
@@ -1 +1 @@
-Subproject commit 3cb727b62b953d59b4360d39aa68b6dc8f157655
+Subproject commit 3ac9cfc9c9ab2e366feebf18718112737f572352
