Table 88 – Additional Entries Specific to a PostScript XObject Dictionary

Key

Type

Value

Type

name

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

Subtype

name

(Required) The type of XObject that this dictionary describes; shall be PS for a PostScript XObject.

Alternatively, the value of this entry may be Form, with an additional Subtype2 entry whose value shall be PS.

Level1

stream

(Optional) A stream whose contents shall be used in place of the PostScript XObject’s stream when the target PostScript interpreter is known to support only LanguageLevel 1.