)]}'
{
  "commit": "e6fc8ac02c6410df6731d89c8994bf972a42a5de",
  "tree": "21c62deab4f95c1158aafea0cb05cfcfd83b2c0a",
  "parents": [
    "cddd0ae6a88e9f35b2c45f4f0cea9042c53eb627"
  ],
  "author": {
    "name": "JJ Allaire",
    "email": "jj@rstudio.org",
    "time": "Sat Jan 30 17:12:13 2016 -0500"
  },
  "committer": {
    "name": "JJ Allaire",
    "email": "jj@rstudio.org",
    "time": "Sat Jan 30 17:12:13 2016 -0500"
  },
  "message": "Revert \"remove history option\"\n\nThis reverts commit cddd0ae6a88e9f35b2c45f4f0cea9042c53eb627.\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "d8ea2e67099e98b96dcb7a3efdab443ca1686350",
      "old_mode": 33188,
      "old_path": "R/revealjs_presentation.R",
      "new_id": "29628dfa3167477081a0c8127f64c7b8d91c3489",
      "new_mode": 33188,
      "new_path": "R/revealjs_presentation.R"
    }
  ]
}