[pdftex] Dashed lines in \pdfannot

[James Quirk]

> While /BS defines the border width, /Border [5 4 2] also defines a
> border width but two first numbers are radii of arcs; in case of both
> /BS and /Border in the same \pdfannot, which of them overwrites
> another?

Page 572 of the PDF Reference (5th edition) states that a /BS entry
takes precedence over a /Border entry.  But the /BS entry can itself
be overridden by an /AP entry (see p. 590).

James