anchor.diff:  { lib, makeWrapper, tesseractBase, languages
  +, runCommand, imagemagick
   
   # A list of languages like [ "eng" "spa" … ] or `null` for all available languages
   , enableLanguages ? null
  
positive.code:          exit 1
        fi
      '';
    });
  
    tesseract = (if enableLanguages == [] then tesseractBase else tesseractWithData) // passthru;
  in
    if enableLanguagesHash == null then
      tesseract
  
negative.code: }:
  
  let
    tesseractWithData = tesseractBase.overrideAttrs (_: {
      inherit tesseractBase tessdata;
  
  