[cairo] Problem with png in pdf documents when using acroread

[Adrian Johnson]

Carl Worth wrote:
> But in spite of your original program not expressing your intent, the
> correct behavior of that program is still well-defined. And the two
> viewers should render the PDF file consistently. So, maybe the
> original result actually indicates a bug in xpdf since it displayed
> what you _expected_ instead of what your program actually _expressed_.

It is a bug in xpdf and poppler although in this case it seems to have
been fixed in xpdf 3.02 (but not for gradients).

See http://lists.freedesktop.org/archives/cairo/2007-March/010097.html
where I said that "Xpdf and Poppler do not appear to support text
patterns or stroke patterns."