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

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

diff --git a/src/mathed/InsetMathDelim.cpp b/src/mathed/InsetMathDelim.cpp
index 95a0883cceb81a8e8edbf8e92575f44e1a39c37a..cd4f8aade5f3d8c080df31f8791ce1e28448d7f6 100644 (file)
--- a/src/mathed/InsetMathDelim.cpp
+++ b/src/mathed/InsetMathDelim.cpp
@@ -181,16 +181,15 @@ void InsetMathDelim::mathematica(MathematicaStream & os) const
 
 void InsetMathDelim::mathmlize(MathMLStream & ms) const
 {
-       ms << "<" << from_ascii(ms.namespacedTag("mo")) << " form='prefix' fence='true' stretchy='true' symmetric='true'>"
+       ms << MTag("mrow")
+          << MTagInline("mo", "form='prefix' fence='true' stretchy='true' symmetric='true'")
           << convertDelimToXMLEscape(left_, ms.xmlMode())
-          << "</" << from_ascii(ms.namespacedTag("mo")) << ">"
-          << "\n"
+          << ETagInline("mo")
           << cell(0)
-          << "\n"
-          << "<" << from_ascii(ms.namespacedTag("mo")) << " form='postfix' fence='true' stretchy='true' symmetric='true'>"
+          << MTagInline("mo", "form='postfix' fence='true' stretchy='true' symmetric='true'")
           << convertDelimToXMLEscape(right_, ms.xmlMode())
-          << "</" << from_ascii(ms.namespacedTag("mo")) << ">"
-          << "\n";
+          << ETagInline("mo")
+          << ETag("mrow");
 }