anchor.diff:    ### C ###
   
     c14 = throw "c14 is deprecated and archived by upstream"; # Added 2022-04-10
  -  caddy1 = throw "caddy 1.x has been removed from nixpkgs, as it's unmaintained: https://github.com/caddyserver/caddy/blob/master/.github/SECURITY.md#supported-versions"; # Added 2020-10-02
     caffe2 = throw "caffe2 has been removed: subsumed under the PyTorch project"; # Added 2022-04-25
  -  calibre-py2 = throw "calibre-py2 has been removed from nixpkgs, as calibre has upgraded to python 3. Please use calibre as replacement"; # Added 2021-01-13
  -  calibre-py3 = throw "calibre-py3 has been removed from nixpkgs, as calibre's default python version is now 3. Please use calibre as replacement"; # Added 2021-01-13
     callPackage_i686 = pkgsi686Linux.callPackage;
     cantarell_fonts = throw "'cantarell_fonts' has been renamed to/replaced by 'cantarell-fonts'"; # Converted to throw 2022-02-22
  -  cargo-tree = throw "cargo-tree has been removed, use the builtin `cargo tree` command instead"; # Added 2020-08-20
  -  casperjs = throw "casperjs has been removed, it was abandoned by upstream and broken";
  -  catfish = xfce.catfish; # Added 2019-12-22
  -  ccnet = throw "ccnet has been removed because seafile does not depend on it anymore"; # Added 2021-03-25
  +  catfish = throw "'catfish' has been renamed to/replaced by 'xfce.catfish'"; # Converted to throw 2022-09-24
     cde-gtk-theme = throw "cde-gtk-theme has been removed from nixpkgs as it shipped with python2 scripts that didn't work anymore"; # Added 2022-01-12
  -  cgmanager = throw "cgmanager was deprecated by lxc and therefore removed from nixpkgs"; # Added 2020-06-05
     checkbashism = throw "'checkbashism' has been renamed to/replaced by 'checkbashisms'"; # Converted to throw 2022-02-22
  -  chronos = throw "chronos has been removed from nixpkgs, as it was unmaintained"; # Added 2020-08-15
     chunkwm = throw "chunkwm has been removed: abandoned by upstream"; # Added 2022-01-07
     cifs_utils = throw "'cifs_utils' has been renamed to/replaced by 'cifs-utils'"; # Converted to throw 2022-02-22
     cipherscan = throw "cipherscan was removed from nixpkgs, as it was unmaintained"; # added 2021-12-11
  
positive.code:   pass-otp = throw "'pass-otp' has been renamed to/replaced by 'pass.withExtensions'"; # Converted to throw 2022-02-22
    pbis-open = throw "pbis-open has been removed, because it is no longer maintained upstream"; # added 2021-12-15
    pdf-redact-tools = throw "pdf-redact-tools has been removed from nixpkgs because the upstream has abandoned the project"; # Added 2022-01-01
    pdf2htmlEx = throw "pdf2htmlEx has been removed from nixpkgs, as it was unmaintained"; # Added 2020-11-03
    pdfmod = throw "pdfmod has been removed"; # Added 2022-01-15
    pdfread = throw "pdfread has been remove because it is unmaintained for years and the sources are no longer available"; # Added 2021-07-22
    peach = asouldocs; # Added 2022-08-28
    pentablet-driver = xp-pen-g430-driver; # Added 2022-06-23
    perlXMLParser = throw "'perlXMLParser' has been renamed to/replaced by 'perlPackages.XMLParser'"; # Converted to throw 2022-02-22
    perlArchiveCpio = throw "'perlArchiveCpio' has been renamed to/replaced by 'perlPackages.ArchiveCpio'"; # Converted to throw 2022-02-22
    pgadmin = pgadmin4;
    pgadmin3 = throw "pgadmin3 was removed for being unmaintained, use pgadmin4 instead."; # Added 2022-03-30
    pgp-tools = throw "'pgp-tools' has been renamed to/replaced by 'signing-party'"; # Converted to throw 2022-02-22
    pg_tmp = throw "'pg_tmp' has been renamed to/replaced by 'ephemeralpg'"; # Converted to throw 2022-02-22
  
negative.code:   buttersink = throw "buttersink has been removed: abandoned by upstream"; # Added 2022-04-05
  
    # bitwarden_rs renamed to vaultwarden with release 1.21.0 (2021-04-30)
    bitwarden_rs = throw "'bitwarden_rs' has been renamed to/replaced by 'vaultwarden'"; # Converted to throw 2022-09-24
    bitwarden_rs-mysql = throw "'bitwarden_rs-mysql' has been renamed to/replaced by 'vaultwarden-mysql'"; # Converted to throw 2022-09-24
    bitwarden_rs-postgresql = throw "'bitwarden_rs-postgresql' has been renamed to/replaced by 'vaultwarden-postgresql'"; # Converted to throw 2022-09-24
    bitwarden_rs-sqlite = throw "'bitwarden_rs-sqlite' has been renamed to/replaced by 'vaultwarden-sqlite'"; # Converted to throw 2022-09-24
    bitwarden_rs-vault = throw "'bitwarden_rs-vault' has been renamed to/replaced by 'vaultwarden-vault'"; # Converted to throw 2022-09-24
  
  
    blink = throw "blink has been removed from nixpkgs, it was unmaintained and required python2 at the time of removal"; # Added 2022-01-12
    bsod = throw "bsod has been removed: deleted by upstream"; # Added 2022-01-07
    buildPerlPackage = throw "'buildPerlPackage' has been renamed to/replaced by 'perlPackages.buildPerlPackage'"; # Converted to throw 2022-02-22
    buildkite-agent3 = throw "'buildkite-agent3' has been renamed to/replaced by 'buildkite-agent'"; # Converted to throw 2022-02-22
    bundler_HEAD = throw "'bundler_HEAD' has been renamed to/replaced by 'bundler'"; # Converted to throw 2022-02-22
  