doc-base 0.10.9 (arm64 binary) in ubuntu focal

 This package contains utilities to manage documentation installed on
 a Debian system. It generates a database of document metadata, which
 other packages such as dwww, dhelp, doc-central, and rarian-compat
 can use to provide a catalog of available documentation.
 .
 For additional information see the Debian doc-base Manual included in
 this package.