### ----------------------------------------------------
### -- PDF::ISO_32000_2
### -- Licenses: Artistic-2.0
### -- Authors: David Warring
### -- File: resources/ISO_32000_2/misc/Table_225-Signature_flags.json
### ----------------------------------------------------
{
  "table": {
    "caption": "Table 225 — Signature flags",
    "head": [
      "Bit position",
      "Name",
      "Meaning"
    ],
    "rows": [
      [
        "1",
        "SignaturesExist",
        "If set, the document contains at least one signature field. This flag allows an interactive PDF processor to enable user interface items (such as menu items or push-buttons) related to signature processing without having to scan the entire document for the presence of signature fields."
      ],
      [
        "2",
        "AppendOnly",
        "If set, the document contains signatures that may be invalidated if the PDF file is saved (written) in a way that alters its previous contents, as opposed to an incremental update. Merely updating the PDF file by appending new information to the end of the previous version is safe (see H.7, \"Updating example\"). Interactive PDF processors may use this flag to inform a user requesting a full save that signatures will be invalidated and require explicit confirmation before continuing with the operation."
      ]
    ]
  }
}


