Update books

ehuss · ehuss · commit 180ac802728c · 2021-03-29T13:53:10.000-07:00
diff --git a/src/doc/book b/src/doc/book
@@ -1 +1 @@
-Subproject commit fc2f690fc16592abbead2360cfc0a42f5df78052
+Subproject commit b54090a99ec7c4b46a5203a9c927fdbc311bb1f5
diff --git a/src/doc/embedded-book b/src/doc/embedded-book
@@ -1 +1 @@
-Subproject commit f61685755fad7d3b88b4645adfbf461d500563a2
+Subproject commit d3f2ace94d51610cf3e3c265705bb8416d37f8e4
diff --git a/src/doc/reference b/src/doc/reference
@@ -1 +1 @@
-Subproject commit d10a0af8dca25d9d548ca6a369fd66ad06acb3c9
+Subproject commit fd97729e2d82f8b08d68a31c9bfdf0c37a7fd542
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
@@ -1 +1 @@
-Subproject commit eead22c6c030fa4f3a167d1798658c341199e2ae
+Subproject commit 29d91f591c90dd18fdca6d23f1a9caf9c139d0d7
diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide
@@ -1 +1 @@
-Subproject commit 67ebd4b55dba44edfc351621cef6e5e758169c55
+Subproject commit 0687daac28939c476df51778f5a1d1aff1a3fddf
