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

[lyx.git] / src / mathed / InsetMathSideset.h

diff --git a/src/mathed/InsetMathSideset.h b/src/mathed/InsetMathSideset.h
index c32c1330323d25c727e2f619df06519c389b0923..f084d61c48078e85aa1b3081f8614386512aa284 100644 (file)
--- a/src/mathed/InsetMathSideset.h
+++ b/src/mathed/InsetMathSideset.h
@@ -50,7 +50,7 @@ public:
        size_type lastIdx() const override { return 0; }
 
        /// write LaTeX and Lyx code
-       void write(WriteStream & os) const override;
+       void write(TeXMathStream & os) const override;
        /// write normalized content
        void normalize(NormalStream &) const override;
        /// write content as MathML