Update books

ehuss · ehuss · commit 06090290e21d · 2019-03-08T12:25:36.000-08:00
diff --git a/src/doc/book b/src/doc/book
@@ -1 +1 @@
-Subproject commit fab9419503f0e34c1a06f9350a6705d0ce741dc6
+Subproject commit 9cffbeabec3bcec42d09432bfe7705125c848889
diff --git a/src/doc/edition-guide b/src/doc/edition-guide
@@ -1 +1 @@
-Subproject commit 5f3cc2a5618700efcde3bc00799744f21fa9ad2e
+Subproject commit aa0022c875907886cae8f3ef8e9ebf6e2a5e728d
diff --git a/src/doc/embedded-book b/src/doc/embedded-book
@@ -1 +1 @@
-Subproject commit bd2778f304989ee52be8201504d6ec621dd60ca9
+Subproject commit 9e656ead82bfe869493dec82653a52e27fa6a05c
diff --git a/src/doc/nomicon b/src/doc/nomicon
@@ -1 +1 @@
-Subproject commit b7eb4a087207af2405c0669fa577f8545b894c66
+Subproject commit f1ff93b66844493a7b03101c7df66ac958c62418
diff --git a/src/doc/reference b/src/doc/reference
@@ -1 +1 @@
-Subproject commit 1c775a1dc5e29bc44b36604b510d6196d98077fa
+Subproject commit 41493ffce5d0e17d54eaf5ec9a995054e2b9aece
