[LyX/2.3.x] Title commands are fragile in memoir

[Juergen Spitzmueller]

commit 9e9f4b3288e5433f7dec64a8d3d083db3070ce58
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Sat Dec 23 13:26:35 2017 +0100

    Title commands are fragile in memoir
    
    (cherry picked from commit 7b4d2279298b5ececf643610b80d8f7c9bd3c63c)
---
 lib/layouts/memoir.layout |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/lib/layouts/memoir.layout b/lib/layouts/memoir.layout
index 63bca26..d6de192 100644
--- a/lib/layouts/memoir.layout
+++ b/lib/layouts/memoir.layout
@@ -250,6 +250,15 @@ End
 
 
 Input stdtitle.inc
+
+Style Title
+       NeedProtect          true
+End
+
+Style Author
+       NeedProtect          true
+End
+
 Input stdstruct.inc