md5sum_blob(pOut, &mcksum);
  blob_appendf(pOut, "Z %b\n", &mcksum);
  if( pnFBcard ) *pnFBcard = nFBcard;
}

/*
** Issue a warning and give the user an opportunity to abandon out
** if a \r\n line ending is seen in a text file.
** if unicode or a \r\n line ending is seen in a text file.
*/
static void cr_warning(const Blob *p, const char *zFilename){
  int nCrNl = 0;          /* Number of \r\n line endings seen */
  int looksLike;          /* return value of looks_like_text() */
  const unsigned char *z; /* File text */
  int n;                  /* Size of the file in bytes */
  int lastNl = 0;         /* Characters since last \n */
  int i;                  /* Loop counter */
  char *zMsg;             /* Warning message */
  Blob fname;             /* Relative pathname of the file */
  Blob ans;               /* Answer to continue prompt */
  static int allOk = 0;   /* Set to true to disable this routine */
  char c;

  if( allOk ) return;
  z = (unsigned char*)blob_buffer(p);
  n = blob_size(p);
  for(i=0; i<n-1; i++){
    unsigned char c = z[i];
    if( c==0 ) return;   /* It's binary */
    if( c=='\n' ){
      if( i>0 && z[i-1]=='\r' ){
        nCrNl = 1;
        if( i>8191 ) break;
      }
      lastNl = 0;
    }else{
      lastNl++;
      /* Binary if any line longer than 8191, see looks_like_binary() */
  looksLike = looks_like_text(p);
      if( lastNl>8191 ) return;
    }
  }
  if( nCrNl ){
    char c;
  if( looksLike<0 ){
    const char *type = (looksLike&1)?"CR/NL line endings":"unicode";
    file_relative_name(zFilename, &fname, 0);
    blob_zero(&ans);
    zMsg = mprintf(
         "%s contains CR/NL line endings; commit anyhow (yes/no/all)?", 
         blob_str(&fname));
         "%s contains %s; commit anyhow (yes/no/all)?",
         blob_str(&fname), type);
    prompt_user(zMsg, &ans);
    fossil_free(zMsg);
    c = blob_str(&ans)[0];
    if( c=='a' ){
      allOk = 1;
    }else if( c!='y' ){
      fossil_fatal("Abandoning commit due to CR+NL line endings in %s",
                   blob_str(&fname));
      fossil_fatal("Abandoning commit due to %s in %s",
                   type, blob_str(&fname));
    }
    blob_reset(&ans);
    blob_reset(&fname);
  }
}

/*