- With the new update to 4.7.1, the old Bugzilla entries are also
  fixed:
  - bsc#1118088 (related to CVE-2018-19787)
  - bsc#1184177 (related to CVE-2021-28957)
- Update to 4.7.1 (officially released 2021-12-13)
  Features added
  - Chunked Unicode string parsing via parser.feed() now encodes the input
    data to the native UTF-8 encoding directly, instead of going through
    Py_UNICODE / wchar_t encoding first, which previously required duplicate
    recoding in most cases.
  Bugs fixed
  - The standard namespace prefixes were mishandled during "C14N2" 
serialisation
    on Python 3.
    See 
https://mail.python.org/archives/list/lxml@python.org/thread/
6ZFBHFOVHOS5GFDOAMPCT6HM5HZPWQ4Q/
  - lxml.objectify previously accepted non-XML numbers with underscores
    (like "1_000") as integers or float values in Python 3.6 and later.
    It now adheres to the number format of the XML spec again.
  - LP#1939031: Static wheels of lxml now contain the header files of zlib
    and libiconv (in addition to the already provided headers of
    libxml2/libxslt/libexslt).
- PDF documentation removed
- Added:
  * lxml-4.7.1.tar.gz
- Removed:
  * lxml-4.6.3.tar.gz
  * lxmldoc-4.5.2.pdf
  * python-lxml-test_etree.patch

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