docs: function(query) {
      var i;
      var stopwords = ["a","and","are","as","at","be","but","by","for","if","in","into","is","it","near","no","not","of","on","or","such","that","the","their","then","there","these","they","this","to","was","will","with"];
  
      // stem the searchterms and add them to the correct list
      var stemmer = new Stemmer();
      var searchterms = [];
      var excluded = [];
      var hlterms = [];
      var tmp = splitQuery(query);
      var objectterms = [];
      for (i = 0; i < tmp.length; i++) {
        if (tmp[i] !== "") {
            objectterms.push(tmp[i].toLowerCase());
        }
  
        if ($u.indexOf(stopwords, tmp[i].toLowerCase()) != -1 || tmp[i].match(/^\d+$/) ||
            tmp[i] === "") {
          // skip this "word"
          continue;
        }
        // stem the word
        var word = stemmer.stemWord(tmp[i].toLowerCase());
        // prevent stemmer from cutting word smaller than two chars
        if(word.length < 3 && tmp[i].length >= 3) {
          word = tmp[i];
        }
        var toAppend;
        // select the correct list
        if (word[0] == '-') {
          toAppend = excluded;
          word = word.substr(1);
        }
        else {
          toAppend = searchterms;
          hlterms.push(tmp[i].toLowerCase());
        }
        // only add if not already in the list
        if (!$u.contains(toAppend, word))
          toAppend.push(word);
      }
      var highlightstring = '?highlight=' + $.urlencode(hlterms.join(" "));
  
      // console.debug('SEARCH: searching for:');
      // console.info('required: ', searchterms);
      // console.info('excluded: ', excluded);
  
      // prepare search
      var terms = this._index.terms;
      var titleterms = this._index.titleterms;
  
      // array of [filename, title, anchor, descr, score]
      var results = [];
      $('#search-progress').empty();
  
      // lookup as object
      for (i = 0; i < objectterms.length; i++) {
        var others = [].concat(objectterms.slice(0, i),
                               objectterms.slice(i+1, objectterms.length));
        results = results.concat(this.performObjectSearch(objectterms[i], others));
      }
  
      // lookup as search terms in fulltext
      results = results.concat(this.performTermsSearch(searchterms, excluded, terms, titleterms));
  
      // let the scorer override scores with a custom scoring function
      if (Scorer.score) {
        for (i = 0; i < results.length; i++)
          results[i][4] = Scorer.score(results[i]);
      }
  
      // now sort the results by score (in opposite order of appearance, since the
      // display function below uses pop() to retrieve items) and then
      // alphabetically
      results.sort(function(a, b) {
        var left = a[4];
        var right = b[4];
        if (left > right) {
          return 1;
        } else if (left < right) {
          return -1;
        } else {
          // same score: sort alphabetically
          left = a[1].toLowerCase();
          right = b[1].toLowerCase();
          return (left > right) ? -1 : ((left < right) ? 1 : 0);
        }
      });
  
      // for debugging
      //Search.lastresults = results.slice();  // a copy
      //console.info('search results:', Search.lastresults);
  
      // print the results
      var resultCount = results.length;
      function displayNextItem() {
        // results left, load the summary and display it
        if (results.length) {
          var item = results.pop();
          var listItem = $('<li style="display:none"></li>');
          if (DOCUMENTATION_OPTIONS.FILE_SUFFIX === '') {
            // dirhtml builder
            var dirname = item[0] + '/';
            if (dirname.match(/\/index\/$/)) {
              dirname = dirname.substring(0, dirname.length-6);
            } else if (dirname == 'index/') {
              dirname = '';
            }
            listItem.append($('<a/>').attr('href',
              DOCUMENTATION_OPTIONS.URL_ROOT + dirname +
              highlightstring + item[2]).html(item[1]));
          } else {
            // normal html builders
            listItem.append($('<a/>').attr('href',
              item[0] + DOCUMENTATION_OPTIONS.FILE_SUFFIX +
              highlightstring + item[2]).html(item[1]));
          }
          if (item[3]) {
            listItem.append($('<span> (' + item[3] + ')</span>'));
            Search.output.append(listItem);
            listItem.slideDown(5, function() {
              displayNextItem();
            });
          } else if (DOCUMENTATION_OPTIONS.HAS_SOURCE) {
            var suffix = DOCUMENTATION_OPTIONS.SOURCELINK_SUFFIX;
            $.ajax({url: DOCUMENTATION_OPTIONS.URL_ROOT + '_sources/' + item[5] + (item[5].slice(-suffix.length) === suffix ? '' : suffix),
                    dataType: "text",
                    complete: function(jqxhr, textstatus) {
                      var data = jqxhr.responseText;
                      if (data !== '' && data !== undefined) {
                        listItem.append(Search.makeSearchSummary(data, searchterms, hlterms));
                      }
                      Search.output.append(listItem);
                      listItem.slideDown(5, function() {
                        displayNextItem();
                      });
                    }});
          } else {
            // no source available, just display title
            Search.output.append(listItem);
            listItem.slideDown(5, function() {
              displayNextItem();
            });
          }
        }
        // search finished, update title and status message
        else {
          Search.stopPulse();
          Search.title.text(_('Search Results'));
          if (!resultCount)
            Search.status.text(_('Your search did not match any documents. Please make sure that all words are spelled correctly and that you\'ve selected enough categories.'));
          else
              Search.status.text(_('Search finished, found %s page(s) matching the search query.').replace('%s', resultCount));
          Search.status.fadeIn(500);
        }
      }
      displayNextItem();
    }