Some math font changing commands only work in math mode, so let's

assure to switch to math mode if needed. This helps avoiding latex
errors (see http://thread.gmane.org/gmane.editors.lyx.general/69580)

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@38579 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/mathed/InsetMathNest.cpp b/src/mathed/InsetMathNest.cpp
index 21bfdfeea225ed913261ee1ab7834cc937a04f0d..8e04e2a5d99df83eae328ef58cb37afa162f8141 100644 (file)
--- a/src/mathed/InsetMathNest.cpp
+++ b/src/mathed/InsetMathNest.cpp
@@ -371,6 +371,7 @@ MathData InsetMathNest::glue() const
 
 void InsetMathNest::write(WriteStream & os) const
 {
+       MathEnsurer ensurer(os, currentMode() == MATH_MODE);
        ModeSpecifier specifier(os, currentMode(), lockedMode());
        docstring const latex_name = name();
        os << '\\' << latex_name;