CHAPTER 10
844
Document Interchange
TABLE 10.2 Entries in the document information dictionary
KEY
TYPE
VALUE
Title
Author
Subject
Keywords
Creator
text string
text string
text string
text string
text string
(Optional; PDF 1.1)
The document’s title.
(Optional)
The name of the person who created the document.
(Optional; PDF 1.1)
The subject of the document.
(Optional; PDF 1.1)
Keywords associated with the document.
(Optional)
If the document was converted to PDF from another format, the
name of the application (for example, Adobe FrameMaker
®
) that created the
original document from which it was converted.
(Optional)
If the document was converted to PDF from another format, the
name of the application (for example, Acrobat Distiller) that converted it to
PDF.
(Optional)
The date and time the document was created, in human-readable
form (see Section 3.8.3, “Dates”).
(Required if
PieceInfo
is present in the document catalog; otherwise optional;
PDF 1.1)
The date and time the document was most recently modified, in hu-
man-readable form (see Section 3.8.3, “Dates”).
(Optional; PDF 1.3)
A name object indicating whether the document has
been modified to include trapping information (see Section 10.10.5, “Trap-
True
Producer
text string
CreationDate
date
date
ModDate
Trapped
name
The document has been fully trapped; no further trapping is
needed. (This is the name
True
, not the boolean value
true
.)
The document has not yet been trapped; any desired
trapping must still be done. (This is the name
False
, not the
boolean value
false
.)
Either it is unknown whether the document has been
trapped or it has been partly but not yet fully trapped; some
additional trapping may still be needed.
False
Unknown
Default value:
Unknown
.
The value of this entry may be set automatically by the software creating the
document’s trapping information, or it may be known only to a human oper-
ator and entered manually.