Make undo action no-ops when the buffer is read-only

[lyx.git] / src / mathed / InsetMathBig.cpp

diff --git a/src/mathed/InsetMathBig.cpp b/src/mathed/InsetMathBig.cpp
index 180af9b8da2116dbe7e4337b80f255585041249f..0ddb6c8fe85b54fd5ae933d22ff5761b6f941b43 100644 (file)
--- a/src/mathed/InsetMathBig.cpp
+++ b/src/mathed/InsetMathBig.cpp
@@ -137,7 +137,7 @@ void InsetMathBig::normalize(NormalStream & os) const
 
 void InsetMathBig::mathmlize(MathMLStream & ms) const
 {
-       ms << MTagInline("mo", "fence='true' stretchy='true' symmetric='true'>")
+       ms << MTagInline("mo", "fence='true' stretchy='true' symmetric='true'")
           << convertDelimToXMLEscape(delim_, ms.xmlMode())
           << ETagInline("mo");
 }