anchor.diff:        sha256 = "0sl6k5y3b855mbix310l9xzwqm4nb8ljjq4w7y6r1acpfwd7lkdc";
         # date = 2020-01-04T14:35:35+01:00;
       };
  -    packageRequires = [ eglot ];
  +    packageRequires = with final; [ eglot ];
     };
   
     ejira = trivialBuild {
  
positive.code:       sha256 = "14ai66c7j2k04a0vav92ybaikcc8cng5i5vy0iwpg7b2cws8a2zg";
        # date = 2017-04-24T03:47:10+05:30;
      };
      packageRequires = [ quick-peek ];
    };
  
    valign = trivialBuild {
  
negative.code: { stdenv, fetchFromGitHub, texinfo, perl, which }:
  
  final: prev:
  
  let inherit (prev) trivialBuild;
  in {
    # Forks.
    flymake-diagnostic-at-point = prev.flymake-diagnostic-at-point.overrideAttrs
      (attrs: {
        version = "20190810.2232";
        src = fetchFromGitHub {
  