Rollup merge of rust-lang#50427 - steveklabnik:update-books, r=oli-obk

kennytm · web-flow · commit 795bd46b817e · 2018-05-05T01:37:01.000+08:00
update books for the next release
diff --git a/src/doc/book b/src/doc/book
@@ -1 +1 @@
-Subproject commit 6237a75790cd2e0ca22961b55f64a83319e73464
+Subproject commit f51127530d46b9acbf4747c859da185e771cfcf3
diff --git a/src/doc/nomicon b/src/doc/nomicon
@@ -1 +1 @@
-Subproject commit 3c56329d1bd9038e5341f1962bcd8d043312a712
+Subproject commit 748a5e6742db4a21c4c630a58087f818828e8a0a
diff --git a/src/doc/reference b/src/doc/reference
@@ -1 +1 @@
-Subproject commit 76296346e97c3702974d3398fdb94af9e10111a2
+Subproject commit 134f419ee62714590b04712fe6072253bc2a7822
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
@@ -1 +1 @@
-Subproject commit d5ec87eabe5733cc2348c7dada89fc67c086f391
+Subproject commit 5c78dfff0faf6399b3dbb00d6caf72d9a15f10d0
