Fix part of bug #8521.

diff --git a/src/mathed/InsetMathDelim.cpp b/src/mathed/InsetMathDelim.cpp
index 809e8a0c13ef53160ee0ac28cbd0c51466af680b..6a2be5e118e3cad48a26b8a5f995a9aa15c46d1b 100644 (file)
--- a/src/mathed/InsetMathDelim.cpp
+++ b/src/mathed/InsetMathDelim.cpp
@@ -182,11 +182,15 @@ void InsetMathDelim::mathematica(MathematicaStream & os) const
 void InsetMathDelim::mathmlize(MathStream & os) const
 {
        os << "<mo form='prefix' fence='true' stretchy='true' symmetric='true'>"
+          << "<mrow>"
           << convertDelimToXMLEscape(left_)
+          << "</mrow>"
           << "</mo>\n"
           << cell(0)
           << "\n<mo form='postfix' fence='true' stretchy='true' symmetric='true'>"
+          << "<mrow>"
           << convertDelimToXMLEscape(right_)
+          << "</mrow>"
           << "</mo>\n";
 }