buttonMarkup: Do not allow a value of null to end up the value of an attribute, because it gets stringified as "null"
buttonMarkup: Do not allow a value of null to end up the value of an attribute, because it gets stringified as "null"

arschmitz/uglymongrel-jquery-mobile,startxfr/jquery-mobile,startxfr/jquery-mobile,hinaloe/jqm-demo-ja,arschmitz/uglymongrel-jquery-mobile,arschmitz/jquery-mobile,arschmitz/uglymongrel-jquery-mobile,arschmitz/jquery-mobile,arschmitz/jquery-mobile,startxfr/jquery-mobile,hinaloe/jqm-demo-ja,hinaloe/jqm-demo-ja