Table 161 – Entries in a bead dictionary

Key

Type

Value

Type

name

(Optional) The type of PDF object that this dictionary describes; if present, shall be Bead for a bead dictionary.

T

dictionary

(Required for the first bead of a thread; optional for all others; shall be an indirect reference) The thread to which this bead belongs.

(PDF 1.1) This entry shall be permitted only for the first bead of a thread.

(PDF 1.2) It shall be permitted for any bead but required only for the first.

N

dictionary

(Required; shall be an indirect reference) The next bead in the thread. In the last bead, this entry shall refer to the first bead.

V

dictionary

(Required; shall be an indirect reference) The previous bead in the thread. In the first bead, this entry shall refer to the last bead.

P

dictionary

(Required; shall be an indirect reference) The page object representing the page on which this bead appears.

R

rectangle

(Required) A rectangle specifying the location of this bead on the page.