DOCX textframe export: when in experimental mode, use DML instead of VML

Change-Id: Idf6a849b08fd76841d0dd5555e75b698e5d730cb
diff --git a/sw/source/filter/ww8/docxattributeoutput.cxx b/sw/source/filter/ww8/docxattributeoutput.cxx
index 90198f7..77d11e7 100644
--- a/sw/source/filter/ww8/docxattributeoutput.cxx
+++ b/sw/source/filter/ww8/docxattributeoutput.cxx
@@ -511,7 +511,22 @@
    {
        sw::Frame* pParentFrame = &aParentFrames[i];
        m_pSerializer->startElementNS( XML_w, XML_r, FSEND );
        WriteVMLTextFrame(pParentFrame);
        SvtMiscOptions aMiscOptions;
        if (aMiscOptions.IsExperimentalMode())
        {
            m_pSerializer->startElementNS(XML_mc, XML_AlternateContent, FSEND);
            m_pSerializer->startElementNS(XML_mc, XML_Choice,
                    XML_Requires, "wps",
                    FSEND);
            WriteDMLTextFrame(pParentFrame);
            m_pSerializer->endElementNS(XML_mc, XML_Choice);
            m_pSerializer->startElementNS(XML_mc, XML_Fallback, FSEND);
            WriteVMLTextFrame(pParentFrame);
            m_pSerializer->endElementNS(XML_mc, XML_Fallback);
            m_pSerializer->endElementNS(XML_mc, XML_AlternateContent);
        }
        else
            WriteVMLTextFrame(pParentFrame);
        m_pSerializer->endElementNS( XML_w, XML_r );
    }