anchor.diff:        mv gwt-${gwtVer} $GWT_LIB_DIR/gwt/${gwtVer}
   
         mkdir dependencies/common/dictionaries
  -      for dict in ${builtins.concatStringsSep " " hunspellDictionaries}; do
  +      for dict in ${builtins.concatStringsSep " " dictionaries}; do
           for i in "$dict/share/hunspell/"*; do
             ln -sv $i dependencies/common/dictionaries/
           done
  
positive.code: , llvmPackages
  }:
  
  let
    verMajor = "1";
    verMinor = "2";
  
negative.code:     sha256 = "19x000m3jwnkqgi6ic81lkzyjvvxcfacw2j0vcfcaknvvagzhyhb";
    };
  
    hunspellDictionaries = filter isDerivation (unique (attrValues hunspellDicts));
    # These dicts contain identically-named dict files, so we only keep the
    # -large versions in case of clashes
    largeDicts = filter (d: hasInfix "-large-wordlist" d) hunspellDictionaries;
    otherDicts = filter (d: !(hasAttr "dictFileName" d &&
                              elem d.dictFileName (map (d: d.dictFileName) largeDicts))) hunspellDictionaries;
    dictionaries = largeDicts ++ otherDicts;
  
    mathJaxSrc = fetchurl {
      url = https://s3.amazonaws.com/rstudio-buildtools/mathjax-26.zip;
  