anchor.diff:      license.fullName = "MIT";
     };
   };
  +
   nvim-client = buildLuarocksPackage {
     pname = "nvim-client";
     version = "0.2.2-1";
  
positive.code:   version = "3.0-2";
  
    src = fetchurl {
      url    = "https://luarocks.org/lua_cliargs-3.0-2.src.rock";
      sha256 = "0qqdnw00r16xbyqn4w1xwwpg9i9ppc3c1dcypazjvdxaj899hy9w";
    };
    disabled = (luaOlder "5.1");
  
negative.code: 
  luaexpat = buildLuarocksPackage {
    pname = "luaexpat";
    version = "1.3.0-1";
  
    src = fetchurl {
      url    = "https://luarocks.org/luaexpat-1.3.0-1.src.rock";
      sha256 = "15jqz5q12i9zvjyagzwz2lrpzya64mih8v1hxwr0wl2gsjh86y5a";
    };
    disabled = (luaOlder "5.1");
    propagatedBuildInputs = [ lua ];
  
    meta = with lib; {
  