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

[lyx.git] / src / Font.cpp

diff --git a/src/Font.cpp b/src/Font.cpp
index 26218eeeac280dde50a82bba5400b1f2f8cfd30e..3ba04eba4756f9a6f2fcdccce2cf766433181db2 100644 (file)
--- a/src/Font.cpp
+++ b/src/Font.cpp
@@ -631,7 +631,7 @@ int Font::latexWriteEndChanges(otexstream & os, BufferParams const & bparams,
                bool const using_begin_end =
                        runparams.use_polyglossia ||
                                !lyxrc.language_command_end.empty();
-               if (using_begin_end)
+               if (using_begin_end && !languageStackEmpty())
                        popLanguageName();
        }