libpsl-dev 0.21.0-1 (amd64 binary) in ubuntu focal

 Libpsl allows checking domains against the Public Suffix List.
 It can be used to avoid privacy-leaking 'super-cookies',
 'super domain' certificates, for domain highlighting purposes
 sorting domain lists by site and more.
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 Please see https://publicsuffix.org for more detailed information.
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 This package contains development header files and documentation for
 developers.