{
  "Highlighter": {
    "Sample": [
      "MIME-Version: 1.0\r\n",
      "Content-Type: multipart/mixed; boundary=frontier\r\n",
      "\r\n",
      "This is a message with multiple parts in MIME format.\r\n",
      "--frontier\r\n",
      "Content-Type: text/plain\r\n",
      "\r\n",
      "This is the body of the message.\r\n",
      "--frontier\r\n",
      "Content-Type: application/octet-stream\r\n",
      "Content-Transfer-Encoding: base64\r\n",
      "\r\n",
      "PGh0bWw+CiAgPGhlYWQ+CiAgPC9oZWFkPgogIDxib2R5PgogICAgPHA+VGhpcyBpcyB0aGUg\r\n",
      "Ym9keSBvZiB0aGUgbWVzc2FnZS48L3A+CiAgPC9ib2R5Pgo8L2h0bWw+Cg==\r\n",
      "--frontier--"
    ],
    "MainRules": {
      "Attributes": {
        "Element": "Editor"
      },
      "SubRules": {
        "Range": [
          {
            "Type": "LineComment",
            "Attributes": {
              "Element": "Comment"
            },
            "Properties": {
              "CloseOnEndOfLine": true
            },
            "TokenRange": {
              "Open": "--"
            }
          },
          {
            "Type": "String",
            "Attributes": {
              "Element": "String"
            },
            "Properties": {
              "CloseOnEndOfLine": true
            },
            "TokenRange": {
              "Open": "=?",
              "Close": "?="
            }
          },
          {
            "Type": "ReservedWord",
            "Attributes": {
              "Element": "ReservedWord"
            },
            "Delimiters": " :",
            "Properties": {
              "CloseOnEndOfLine": true,
              "CloseOnTerm": true
            },
            "TokenRange": {
              "Open": "Content-"
            }
          }
        ],
        "KeyList": [
          {
            "Type": "ReservedWord",
            "Words": [
              "boundary",
              "MIME-Version",
              "Subject"
            ],
            "Attributes": {
              "Element": "ReservedWord"
            }
          },
          {
            "Type": "Symbol",
            "Words": [
              ":",
              ";",
              "<",
              ">",
              "=",
              "/",
              "*",
              ".",
              ",",
              "-",
              "+",
              "(",
              ")",
              "[",
              "]",
              "{",
              "}"
            ],
            "Attributes": {
              "Element": "Symbol"
            }
          }
        ],
        "Set": [
          {
            "Type": "Numbers",
            "Symbols": ".0123456789",
            "Attributes": {
              "Element": "Number"
            }
          }
        ]
      }
    }
  },
  "MatchingPair": {
    "Pairs": [
      {
        "OpenToken": "(",
        "CloseToken": ")"
      },
      {
        "OpenToken": "[",
        "CloseToken": "]"
      },
      {
        "OpenToken": "{",
        "CloseToken": "}"
      }
    ]
  }
}