I've looked at the source and I see that in poppler's OutlineItem::OutlineItem, titleLen is set to 0 if the item's Title key is not a string. This is a problem since 0 is a valid length, but it's being used as an indication that the OutlineItem is not valid.
I'm not sure that there's an easy way to fix this, but it should definitely be forwarded upstream so that it can be fixed in a consistent way that will work in all the poppler-using programs. -- brian m. carlson / brian with sandals: Houston, Texas, US +1 832 623 2791 | http://www.crustytoothpaste.net/~bmc | My opinion only OpenPGP: RSA v4 4096b: 88AC E9B2 9196 305B A994 7552 F1BA 225C 0223 B187
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