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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p style='margin:0in;margin-bottom:.0001pt'><b><a href="https://onedrive.live.com/view.aspx/Public%20Documents/2016/DR-16-0023.docx?cid=c8ba0861dc5e4adc"><span style='font-weight:normal'>DR 16-0023 — SML: CT_FileSharing attribute userName </span></a></b><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>XML attributes are optional by default, so Charlie is incorrect that the schema indicates this attribute is required. By not specifying ‘use’ it is implicitly optional. That being said we agree with the proposed schema update to make it explicit that the attribute is optional.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>