docs(wink-ner): complete documentation

src/wink-ner.js

@@ -425,6 +425,20 @@ var ner = function () {
     return { nti: i };
   }; // getNextNTokens()
 
+  // ### lookup
+  /**
+   * @private
+   * Exports the JSON of the learnings generated by `learn()`, which may be
+   * saved in a file that may be used later for NER purpose.
+   *
+   * @param {number} i — index of tokens, from where the lookup is performed.
+   * @param {object[]} tokens — input tokens to NER.
+   * @param {object} candidate — result of lookup in `uniWordEntities`.
+   * @param {array} nerdts — NERed tokens.
+   * @return {number} of the learnings.
+   * @example
+   * var learnings = myNER.exportJSON();
+  */
   var lookup = function ( i, tokens, candidate, nerdts ) {
     var result;
     for ( var k = 0, kmax = candidate.wordCounts.length; k < kmax; k += 1 ) {
@@ -542,6 +556,13 @@ var ner = function () {
     return ( nerdts );
   }; // recognize()
 
+  // ### initialize
+  /**
+   * @private
+   * Initalizes the config and learning related variables.
+   *
+   * @return {undefined} of the learnings.
+  */
   var initialize = function ( ) {
     // Define default configuration.
     // Ignore `punctuation`;