Get FeedDocumentBundle to used new addDocumentMap signature, a=chris

diff --git a/src/library/FeedDocumentBundle.php b/src/library/FeedDocumentBundle.php
index a7d95c217..ddad7a6c4 100644
--- a/src/library/FeedDocumentBundle.php
+++ b/src/library/FeedDocumentBundle.php
@@ -254,7 +254,11 @@ class FeedDocumentBundle extends IndexDocumentBundle
                 $media_category = "news";
                 $source_stop_regex = "";
             }
-            $phrase_string = $item[self::TITLE] . " tztzlzngth " .
+            /* r6t was chosen as short enough not to be
+               changed by chargramming, but rare enough
+               that can be used as a useful splitter
+             */
+            $phrase_string = $item[self::TITLE] . " r6t " .
                 $item[self::DESCRIPTION];
             $word_and_qa_lists = PhraseParser::extractPhrasesInLists(
                 $phrase_string, $lang);
@@ -271,9 +275,9 @@ class FeedDocumentBundle extends IndexDocumentBundle
                 $meta_ids[] = "safe:all";
             }
             $title_length = 0;
-            if (!empty($word_lists["tztzlzngth"][0])) {
-                $title_length = $word_lists["tztzlzngth"][0] + 1;
-                unset($word_lists["tztzlzngth"]);
+            if (!empty($word_lists["r6t"][0])) {
+                $title_length = $word_lists["r6t"][0] + 1;
+                unset($word_lists["r6t"]);
             }
             $num_words = 0;
             foreach($word_list as $word => $position_list)
@@ -281,7 +285,7 @@ class FeedDocumentBundle extends IndexDocumentBundle
                 $num_words += count($position_list);
             }
             $this->addScoresDocMap($doc_id, $num_words,
-                intval($item[self::PUBDATE]), $title_length,
+                intval($item[self::PUBDATE]), 0, $title_length, $title_length,
                 [], []);
             $this->addTermPostingLists(0, $num_words,
                 $word_list, $meta_ids, $this->doc_map_counter);