Export issue in JSON format doesn't show attachment information

    "issues" : [ {
      "summary" : "ATLASSIAN TESTING",
      "reporter" : "racine",
      "assignee" : "ebner",
      "issueType" : "Bug",
      "status" : "Open",
      "priority" : "Major",
      "created" : 1371211786688,
      "updated" : 1371211786688,
      "labels" : [ ],
      "worklogs" : [ ],
      "voters" : [ ],
      "watchers" : [ "racine" ],
      "subtasks" : [ ],
      "attachments" : [ ],
      "history" : [ ],
      "comments" : [ ],
      "customFieldValues" : [ ]
    } ]
  } ],