PopplerDocument may be used by PopplerPage until all PopplerPage in PopplerDocument are destroyied. So it's better PopplerPage counts up PopplerDocument's reference count when new PopplerPage is created and counts down when PopplerPage is destroyed.
Created attachment 5718 [details] [review] PopplerPage manages PopplerDocument's reference count
Fixed in CVS and 0.5.4.
Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.