dom4j-javadoc from home:sp1rit:testing project
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Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:sp1rit:testing/openSUSE_Tumbleweed/home:sp1rit:testing.repo zypper refresh zypper install dom4j-javadoc