/usr/lib/jvm/java-7-openjdk-amd64/man/ is in openjdk-7-jre-headless 7u181-2.6.14-1~deb8u1.
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/usr/lib/jvm/java-7-openjdk-amd64/man/ja
/usr/lib/jvm/java-7-openjdk-amd64/man/ja_JP.UTF-8/
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