From ecdc9426f28d13638c96f81e1e75370bb70a42ae Mon Sep 17 00:00:00 2001
From: Automated Commit <automated@calamity.org.uk>
Date: Fri, 3 Nov 2017 20:45:07 +0000
Subject: [PATCH] Update boostbook from master

---
 tools/boostbook | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/boostbook b/tools/boostbook
index 413f3e016d..2f9b23ea4d 160000
--- a/tools/boostbook
+++ b/tools/boostbook
@@ -1 +1 @@
-Subproject commit 413f3e016d1ae9fecdda6bfb48734ea05d5615a6
+Subproject commit 2f9b23ea4de479518781b59b4f57cd480e4308c0