#10429: qpdf-8.0.2
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Reporter: bdubbs@… | Owner: pierre.labastie
Type: enhancement | Status: assigned
Priority: normal | Milestone: 8.3
Component: BOOK | Version: SVN
Severity: normal | Resolution:
Keywords: |
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Comment (by pierre.labastie):
Now 8.0.2. Distributed on github as well as on sourceforge
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8.0.2: March 6, 2018
When a loop is detected while following cross reference streams or
tables, treat this as damage instead of silently ignoring the previous
table. This prevents loss of otherwise recoverable data in some damaged
files.
Properly handle pages with no contents.
8.0.1: March 4, 2018
Disregard data check errors when uncompressing /FlateDecode
streams. This is consistent with most other PDF readers and allows qpdf to
recover data from another class of malformed PDF files.
On the command line when specifying page ranges, support preceding
a page number by “r” to indicate that it should be counted from the end.
For example, the range r3-r1 would indicate the last three pages of a
document.
8.0.0: February 25, 2018
Packaging and Distribution Changes
QPDF is now distributed as an AppImage in addition to all the
other ways it is distributed. The AppImage can be found in the download
area with the other packages. Thanks to Kurt Pfeifle and Simon Peter for
their contributions.
Bug Fixes
QPDFObjectHandle::getUTF8Val now properly treats non-Unicode
strings as encoded with PDF Doc Encoding.
Improvements to handling of objects in PDF files that are not
of the expected type. In most cases, qpdf will be able to warn for such
cases rather than fail with an exception. Previous versions of qpdf would
sometimes fail with errors such as “operation for dictionary object
attempted on object of wrong type”. This situation should be mostly or
entirely eliminated now.
Enhancements to the qpdf Command-line Tool. All new options listed
here are documented in more detail in Chapter 3, Running QPDF.
The option --linearize-pass1=file has been added for debugging
qpdf's linearization code.
The option --coalesce-contents can be used to combine content
streams of a page whose contents are an array of streams into a single
stream.
API Enhancements. All new API calls are documented in their
respective classes' header files. There are no non-compatible changes to
the API.
Add function qpdf_check_pdf to the C API. This function does
basic checking that is a subset of what qpdf --check performs.
Major enhancements to the lexical layer of qpdf. For a
complete list of enhancements, please refer to the ChangeLog file. Most of
the changes result in improvements to qpdf's ability handle erroneous
files. It is also possible for programs to handle whitespace, comments,
and inline images as tokens.
New API for working with PDF content streams at a lexical
level. The new class QPDFObjectHandle::TokenFilter allows the developer to
provide token handlers. Token filters can be used with several different
methods in QPDFObjectHandle as well as with a lower-level interface. See
comments in QPDFObjectHandle.hh as well as the new examples examples/pdf-
filter-tokens.cc and examples/pdf-count-strings.cc for details.
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