Update books

ehuss · ehuss · commit 84e0d9db6cc3 · 2022-01-18T19:23:45.000-08:00
diff --git a/src/doc/book b/src/doc/book
@@ -1 +1 @@
-Subproject commit d3740fb7aad0ea4a80ae20f64dee3a8cfc0c5c3c
+Subproject commit f17df27fc14696912c48b8b7a7a8fa49e648088d
diff --git a/src/doc/nomicon b/src/doc/nomicon
@@ -1 +1 @@
-Subproject commit c05c452b36358821bf4122f9c418674edd1d713d
+Subproject commit 66d097d3d80e8f88c288c6879c7c2b909ecf8ad4
diff --git a/src/doc/reference b/src/doc/reference
@@ -1 +1 @@
-Subproject commit f8ba2f12df60ee19b96de24ae5b73af3de8a446b
+Subproject commit 4dee6eb63d728ffb9e7a2ed443e9ada9275c69d2
diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide
@@ -1 +1 @@
-Subproject commit 875464457c4104686faf667f47848aa7b0f0a744
+Subproject commit 78dd6a4684cf8d6b72275fab6d0429ea40b66338
