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  [javadoc] Debian build on Java 9+ detected: Adding the --ignore-source-errors option
  [javadoc] Javadoc execution
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  [javadoc] Standard Doclet version 11.0.1
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  [javadoc] /build/lucene-solr-mtjbrd/lucene-solr-3.6.2+dfsg/lucene/contrib/misc/src/java/overview.html:56: warning - invalid usage of tag >
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  [javadoc] Note: Custom tags that were not seen:  @lucene.internal
  [javadoc] 1 warning
