Represents the "Rename" entry of the fdf template dictionary object.

It is an optional entry defined as part of the PDF 1.0 specification.

It contains a bool representing a PDF boolean object.

The PDF specification states that this item assumes a value of true if no value has been provided.

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 249, page 464.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 252, page 562.

When true all field names on the spawned page are given unique identifiers appended to their existing names, preventing name collisions when the same template is spawned multiple times.