anchor.diff:  
     makeFlags = [
       "PERL_PATH=${perlPackages.perl}/bin/perl"
  -    "PYTHON_PATH=${python}/bin/python"
  +    "PYTHON_PATH=${python3.interpreter}"
       "GNU_ROFF=1"
  +    "USE_ASCIIDOCTOR=1"
       "INSTALL_SYMLINKS=1"
     ];
   
  
positive.code: { stdenv
  , asciidoc
  , docbook_xml_dtd_45
  , docbook-xsl
  , fetchurl
  
negative.code: , gnused_small
  , openssl
  , pcre2_lib
  , python3
  , zlib
  }:
  
  