Re: Fix for 687117, Error: /typecheck in --get-- when attempt to view pdf document V1.4

Igor V. Melichev wrote:

> I don't understand this patch.
> First, the change looks algorithmically equivalent. I'm unclear why does it
> fix something.
knownoget checks for null values and pretend the key doesn't exist.
As a side benefit knownoget resolves indirect references -- just
in case somebody uses them there.

> Second, pdf_sec.ps defines :
The control doesn't go there any more.

Regards,
Alex