[Poppler-bugs] [Bug 97092] New: Object generation numbers aren't updated (except in the xref table)
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Jul 27 06:31:29 UTC 2016
https://bugs.freedesktop.org/show_bug.cgi?id=97092
Bug ID: 97092
Summary: Object generation numbers aren't updated (except in
the xref table)
Product: poppler
Version: unspecified
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: general
Assignee: poppler-bugs at lists.freedesktop.org
Reporter: jakubkucharski97 at gmail.com
If you update an object, its generation number will only be incremented in the
cross-reference table, but e.g. not in the object header or, if it is the
"Info" dictionary, in the "Info" entry of the trailer dictionary.
To reproduce this bug, update an object (e.g. modify a single annotation in
evince) and use "tail" unix utility with the "-n" option big enough (e.g. 100)
to see the object header of the updated object. No matter how many times you
update the object, the generation number is still the same. The generation
number in the cross-reference table will be updated though.
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