Add release note.
Branch
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V4_4_STABLE
Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=b1db68d14a5d11e3d058b3f198bc4b39bb606632
Modified Files
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doc.ja/src/sgml/release-4.3.sgml | 150 +++++++++++++++++++++++++++++++
doc.ja/src/sgml/release-4.4.sgml | 173 ++++++++++++++++++++++++++++++++++++
doc/src/sgml/release-4.3.sgml | 159 +++++++++++++++++++++++++++++++++
doc/src/sgml/release-4.4.sgml | 185 +++++++++++++++++++++++++++++++++++++++
4 files changed, 667 insertions(+)