PDFDocumentGraphics2D#nextPage() creates a copy of the current page instead of an empty page

When creating a multi-page PDF with PDFDocumentGraphics2D, each page contains a copy of the previous page.

In the attached sample, the expected content is: "Page 1" on page 1, "Page 2" on page 2, "Page 3" on page 3

The actual content is: "Page 1" on page 1, "Page 1" and "Page 2" on page 2, "Page 1", "Page 2", "Page 3" on page 3