### ----------------------------------------------------
### -- PDF::ISO_32000_2
### -- Licenses: Artistic-2.0
### -- Authors: David Warring
### -- File: resources/ISO_32000_2/Table_49-Entries_in_a_developer_extensions_dictionary.json
### ----------------------------------------------------
{
  "table": {
    "caption": "Table 49 — Entries in a developer extensions dictionary",
    "head": [
      "Key",
      "Type",
      "Value"
    ],
    "rows": [
      [
        "Type",
        "name",
        "(Optional; is a direct object if present) The type of PDF object that this dictionary describes; if present, is DeveloperExtensions."
      ],
      [
        "BaseVersion",
        "name",
        "(Required; is a direct object) The name of the PDF version to which this extension applies. The name is consistent with the syntax used for the Version entry of the catalog dictionary (see 7.7.2, \"Document catalog dictionary\")."
      ],
      [
        "ExtensionLevel",
        "integer",
        "(Required; is a direct object) An integer defined by the developer to denote the extension being used. If the developer introduces more than one extension to a given BaseVersion the extension level numbers assigned by that developer increases over time."
      ],
      [
        "URL",
        "string",
        "(Optional; PDF 2.0; is a direct object if present) A URL that refers to the documentation for this extension (see Annex E, \"Extending PDF\")."
      ],
      [
        "ExtensionRevision",
        "text string",
        "(Optional; PDF 2.0; is a direct object if present) An optional text string that provides additional revision information on the extension level being used.\nNOTE The ExtensionRevision key was introduced in this document (2020)."
      ]
    ]
  }
}


