Update cargo, books

[rust.git] / src / doc / reference

diff --git a/src/doc/reference b/src/doc/reference
index da6ea9b03f74cae0a292f40315723d7a3a973637..0e5ed7a4bec065f0cc18c35d1c904639e095314d 160000 (submodule)
--- a/src/doc/reference
+++ b/src/doc/reference
@@ -1 +1 @@
-Subproject commit da6ea9b03f74cae0a292f40315723d7a3a973637
+Subproject commit 0e5ed7a4bec065f0cc18c35d1c904639e095314d