rem:  var attachmentBox = document.getElementById("attachments-box"); if (attachmentBox.hidden) 
add: if (aFlavour.contentType != "text/x-moz-address") 
context:   onDragOver: function (aEvent, aFlavour, aDragSession)    {      // make sure the attachment box is visible during drag over      var attachmentBox = document.getElementById("attachments-box");      if (attachmentBox.hidden)      {        attachmentBox.hidden = false;        document.getElementById("attachmentbucket-sizer").hidden=false;      }    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/9973d63078001255c0ce70d327f9d8a59485537e/MsgComposeCommands.js/clean/mail/components/compose/content/MsgComposeCommands.js