Update books

ehuss · ehuss · commit 9ba8d6e2347f · 2020-11-30T17:25:23.000-08:00
diff --git a/src/doc/book b/src/doc/book
@@ -1 +1 @@
-Subproject commit 13e1c05420bca86ecc79e4ba5b6d02de9bd53c62
+Subproject commit a190438d77d28041f24da4f6592e287fab073a61
diff --git a/src/doc/embedded-book b/src/doc/embedded-book
@@ -1 +1 @@
-Subproject commit ca8169e69b479f615855d0eece7e318138fcfc00
+Subproject commit ba34b8a968f9531d38c4dc4411d5568b7c076bfe
diff --git a/src/doc/nomicon b/src/doc/nomicon
@@ -1 +1 @@
-Subproject commit 23c49f1d5ce4720bc5b7e3a920f47eccc8da6b63
+Subproject commit d8383b65f7948c2ca19191b3b4bd709b403aaf45
diff --git a/src/doc/reference b/src/doc/reference
@@ -1 +1 @@
-Subproject commit a7de763c213292f5b44bf10acb87ffa38724814d
+Subproject commit a8afdca5d0715b2257b6f8b9a032fd4dd7dae855
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
@@ -1 +1 @@
-Subproject commit 1886fda6981b723e4de637074455558f8bc1e83c
+Subproject commit 236c734a2cb323541b3394f98682cb981b9ec086
