[LyX/master] Do not confuse global commands with ERT macros

[Enrico Forestieri]

commit 6a3ced3cfb14c851053ddada9abaa9c3cd4f659d
Author: Enrico Forestieri <for...@lyx.org>
Date:   Sun Sep 25 02:00:55 2016 +0200

    Do not confuse global commands with ERT macros
---
 src/Cursor.cpp |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/src/Cursor.cpp b/src/Cursor.cpp
index bdd6986..2658d45 100644
--- a/src/Cursor.cpp
+++ b/src/Cursor.cpp
@@ -1479,7 +1479,8 @@ bool Cursor::macroModeClose()
        bool keep_mathmode = it != words.end() && (it->second.inset == "font"
                                                || it->second.inset == "oldfont"
                                                || it->second.inset == "mbox");
-       bool ert_macro = !user_macro && it == words.end();
+       bool ert_macro = !user_macro && it == words.end()
+                                    && !atom.nucleus()->asInsetMath();
 
        if (in && in->currentMode() == Inset::TEXT_MODE
            && atom.nucleus()->currentMode() == Inset::MATH_MODE