lib/util/add.js
function add(word, rules) {
    // Some dictionaries will list the same word multiple times with different
    // rule sets.
    var curr = (own.call(dict, word) && dict[word]) || []
    dict[word] = curr.concat(rules || [])
  }
function add(word, rules) {
    // Some dictionaries will list the same word multiple times with different
    // rule sets.
    var curr = (own.call(dict, word) && dict[word]) || []
    dict[word] = curr.concat(rules || [])
  }
Add `rules` for `word` to the table.