<commit_before>{stdenv, fetchurl, m4}:

assert m4 != null;

stdenv.mkDerivation {
  name = "bison-1.875c";
  src = fetchurl {
    url = ftp://alpha.gnu.org/pub/gnu/bison/bison-1.875c.tar.gz;
    md5 = "bba317725fc84013b9d0a6b2576dfaa7";
  };
  buildInputs = [m4];
} // {
  glrSupport = true;
}<commit_msg>* Upgraded Bison to the latest alpha release.  This fixes a segfault   in Nix.<commit_after>{stdenv, fetchurl, m4}:

assert m4 != null;

stdenv.mkDerivation {
  name = "bison-1.875d";
  src = fetchurl {
    url = ftp://alpha.gnu.org/pub/gnu/bison/bison-1.875d.tar.gz;
    md5 = "faaa4a271ca722fb6c769d72e18ade0b";
  };
  buildInputs = [m4];
} // {
  glrSupport = true;
}
{'fraction_non_alphanumeric': 0.16148148148148148, 'fraction_numerical': 0.0874074074074074, 'mean_word_length': 3.305732484076433, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '820351', 'n_tokens_mistral': 330, 'n_tokens_neox': 302, 'n_words': 51}