5.4.5.2Superseded documents This attribute specifies reference(s) to document(s) superseded by the current document. It consists of one or more entries. The value of each entry is either an ASN.1 object identifier or a string of characters from the document profile character set. This value is equal to the value of the document profile attribute "document reference" of the document referred to. 5.4.6 Local file references This attribute specifies where a copy (copies) of the document may be found. It consists of one or more entries, one for each location where a cope (copies) of the document may be found. Each entry consists of up to three optional parameters, namely - the file name; - the location of the document; - user comments. The file name is a string of characters that can be used to identify the document uniquely in a filing system. The second parameter specifies the location of the document in a filing system, for example the name of the filing system, the name of the directory and folder in which the document is contained. The third parameter is used to provide user-readable comments. The value of each parameter is a string of characters from the document profile character set. 5.4.7 Content attributes 5.4.7.1Document size This attribute represents the estimated size of the whole document, expressed as a number of 8-bit bytes, where the estimate must not be less than the actual size. The size includes that of the document profile and the document body (if present). The value of this attribute is an integer, which is not less than the number of 8-bit bytes in the document data stream. 5.4.7.2Number of pages This attribute specifies the number of pages in the specific layout structure (if any) of the document. The value of this attribute is an integer. 5.4.7.3Languages This attribute specifies the primary language(s) in which the content of the document is written. The value of this attribute consists of string(s) of characters from the document profile character set. 5.4.8 Security information These attributes provide security information only and are not intended to ensure security measures. 5.4.8.1Authorization This attribute identifies the person or organization approving or authorizing the document. The value of this attribute consists either of a personal name with the format specified in Annex A, or the name of an organization consisting of a string of characters from the document profile character set. 5.4.8.2Security classification This attribute specifies the security classification assigned by the document owner(s) relating to such aspects as its visibility, reproduction, storage, audit and destruction requirements. The value of this attribute consists of a string of characters from the document profile character set. 5.4.8.3Access rights This attribute specifies the access right(s) to the document relating to its privacy, as defined by the current owner(s) of the document. The value of this attribute consists of string(s) of characters from the document profile character set. ANNEX A (to Recommendation T.414) Format of personal names (Normative) The format of a personal name consists of a group of up to four parameters: a) surname; b) givenname; c) initials; d) title. The "surname" parameter is the family name of a person. This parameter is mandatory. The "givenname" parameter is the name by which a person is commonly known. This parameter is optional. The "initials" parameter consists of a sequence of the initial characters of any names other than "surname" and "givenname", in the order in which they are normally written. This parameter is optional. The "title" parameter is the title by which a person is normally addressed in documents. This parameter is optional. The format of each of the parameters is a string of characters from the document profile character set. Note - The format defined above is the same as that given in Recommendation X.411 (1984). ANNEX B (to Recommendation T.414) Minimum set of document profile attributes to be supported by document application profiles (Normative) The document profile attributes listed in Table B-1/T.414 shall be included in any document profile level defined as a part of a document application profile, subject to the conditions specified in the explanatory notes referred to in the second column of the Table.