diff --git a/src/applications/base/controller/PhabricatorController.php b/src/applications/base/controller/PhabricatorController.php
index d2f172fc72..8a650fc7bd 100644
--- a/src/applications/base/controller/PhabricatorController.php
+++ b/src/applications/base/controller/PhabricatorController.php
@@ -1,575 +1,577 @@
 <?php
 
 abstract class PhabricatorController extends AphrontController {
 
   private $handles;
 
   public function shouldRequireLogin() {
     return true;
   }
 
   public function shouldRequireAdmin() {
     return false;
   }
 
   public function shouldRequireEnabledUser() {
     return true;
   }
 
   public function shouldAllowPublic() {
     return false;
   }
 
   public function shouldAllowPartialSessions() {
     return false;
   }
 
   public function shouldRequireEmailVerification() {
     return PhabricatorUserEmail::isEmailVerificationRequired();
   }
 
   public function shouldAllowRestrictedParameter($parameter_name) {
     return false;
   }
 
   public function shouldRequireMultiFactorEnrollment() {
     if (!$this->shouldRequireLogin()) {
       return false;
     }
 
     if (!$this->shouldRequireEnabledUser()) {
       return false;
     }
 
     if ($this->shouldAllowPartialSessions()) {
       return false;
     }
 
     $user = $this->getRequest()->getUser();
     if (!$user->getIsStandardUser()) {
       return false;
     }
 
     return PhabricatorEnv::getEnvConfig('security.require-multi-factor-auth');
   }
 
   public function willBeginExecution() {
     $request = $this->getRequest();
 
     if ($request->getUser()) {
       // NOTE: Unit tests can set a user explicitly. Normal requests are not
       // permitted to do this.
       PhabricatorTestCase::assertExecutingUnitTests();
       $user = $request->getUser();
     } else {
       $user = new PhabricatorUser();
       $session_engine = new PhabricatorAuthSessionEngine();
 
       $phsid = $request->getCookie(PhabricatorCookies::COOKIE_SESSION);
       if (strlen($phsid)) {
         $session_user = $session_engine->loadUserForSession(
           PhabricatorAuthSession::TYPE_WEB,
           $phsid);
         if ($session_user) {
           $user = $session_user;
         }
       } else {
         // If the client doesn't have a session token, generate an anonymous
         // session. This is used to provide CSRF protection to logged-out users.
         $phsid = $session_engine->establishSession(
           PhabricatorAuthSession::TYPE_WEB,
           null,
           $partial = false);
 
         // This may be a resource request, in which case we just don't set
         // the cookie.
         if ($request->canSetCookies()) {
           $request->setCookie(PhabricatorCookies::COOKIE_SESSION, $phsid);
         }
       }
 
 
       if (!$user->isLoggedIn()) {
         $user->attachAlternateCSRFString(PhabricatorHash::digest($phsid));
       }
 
       $request->setUser($user);
     }
 
     $translation = $user->getTranslation();
     if ($translation &&
         $translation != PhabricatorEnv::getEnvConfig('translation.provider')) {
       $translation = newv($translation, array());
       PhutilTranslator::getInstance()
         ->setLanguage($translation->getLanguage())
         ->addTranslations($translation->getTranslations());
     }
 
     $preferences = $user->loadPreferences();
     if (PhabricatorEnv::getEnvConfig('darkconsole.enabled')) {
       $dark_console = PhabricatorUserPreferences::PREFERENCE_DARK_CONSOLE;
       if ($preferences->getPreference($dark_console) ||
          PhabricatorEnv::getEnvConfig('darkconsole.always-on')) {
         $console = new DarkConsoleCore();
         $request->getApplicationConfiguration()->setConsole($console);
       }
     }
 
     // NOTE: We want to set up the user first so we can render a real page
     // here, but fire this before any real logic.
     $restricted = array(
       'code',
     );
     foreach ($restricted as $parameter) {
       if ($request->getExists($parameter)) {
         if (!$this->shouldAllowRestrictedParameter($parameter)) {
           throw new Exception(
             pht(
               'Request includes restricted parameter "%s", but this '.
               'controller ("%s") does not whitelist it. Refusing to '.
               'serve this request because it might be part of a redirection '.
               'attack.',
               $parameter,
               get_class($this)));
         }
       }
     }
 
     if ($this->shouldRequireEnabledUser()) {
       if ($user->isLoggedIn() && !$user->getIsApproved()) {
         $controller = new PhabricatorAuthNeedsApprovalController();
         return $this->delegateToController($controller);
       }
       if ($user->getIsDisabled()) {
         $controller = new PhabricatorDisabledUserController();
         return $this->delegateToController($controller);
       }
     }
 
     $event = new PhabricatorEvent(
       PhabricatorEventType::TYPE_CONTROLLER_CHECKREQUEST,
       array(
         'request' => $request,
         'controller' => $this,
       ));
     $event->setUser($user);
     PhutilEventEngine::dispatchEvent($event);
     $checker_controller = $event->getValue('controller');
     if ($checker_controller != $this) {
       return $this->delegateToController($checker_controller);
     }
 
     $auth_class = 'PhabricatorAuthApplication';
     $auth_application = PhabricatorApplication::getByClass($auth_class);
 
     // Require partial sessions to finish login before doing anything.
     if (!$this->shouldAllowPartialSessions()) {
       if ($user->hasSession() &&
           $user->getSession()->getIsPartial()) {
         $login_controller = new PhabricatorAuthFinishController();
         $this->setCurrentApplication($auth_application);
         return $this->delegateToController($login_controller);
       }
     }
 
     // Check if the user needs to configure MFA.
     $need_mfa = $this->shouldRequireMultiFactorEnrollment();
     $have_mfa = $user->getIsEnrolledInMultiFactor();
     if ($need_mfa && !$have_mfa) {
       // Check if the cache is just out of date. Otherwise, roadblock the user
       // and require MFA enrollment.
       $user->updateMultiFactorEnrollment();
       if (!$user->getIsEnrolledInMultiFactor()) {
         $mfa_controller = new PhabricatorAuthNeedsMultiFactorController();
         $this->setCurrentApplication($auth_application);
         return $this->delegateToController($mfa_controller);
       }
     }
 
     if ($this->shouldRequireLogin()) {
       // This actually means we need either:
       //   - a valid user, or a public controller; and
       //   - permission to see the application.
 
       $allow_public = $this->shouldAllowPublic() &&
                       PhabricatorEnv::getEnvConfig('policy.allow-public');
 
       // If this controller isn't public, and the user isn't logged in, require
       // login.
       if (!$allow_public && !$user->isLoggedIn()) {
         $login_controller = new PhabricatorAuthStartController();
         $this->setCurrentApplication($auth_application);
         return $this->delegateToController($login_controller);
       }
 
       if ($user->isLoggedIn()) {
         if ($this->shouldRequireEmailVerification()) {
           if (!$user->getIsEmailVerified()) {
             $controller = new PhabricatorMustVerifyEmailController();
             $this->setCurrentApplication($auth_application);
             return $this->delegateToController($controller);
           }
         }
       }
 
       // If the user doesn't have access to the application, don't let them use
       // any of its controllers. We query the application in order to generate
       // a policy exception if the viewer doesn't have permission.
 
       $application = $this->getCurrentApplication();
       if ($application) {
         id(new PhabricatorApplicationQuery())
           ->setViewer($user)
           ->withPHIDs(array($application->getPHID()))
           ->executeOne();
       }
     }
 
     // NOTE: We do this last so that users get a login page instead of a 403
     // if they need to login.
     if ($this->shouldRequireAdmin() && !$user->getIsAdmin()) {
       return new Aphront403Response();
     }
   }
 
   public function buildStandardPageView() {
     $view = new PhabricatorStandardPageView();
     $view->setRequest($this->getRequest());
     $view->setController($this);
     return $view;
   }
 
   public function buildStandardPageResponse($view, array $data) {
     $page = $this->buildStandardPageView();
     $page->appendChild($view);
     $response = new AphrontWebpageResponse();
     $response->setContent($page->render());
     return $response;
   }
 
   public function getApplicationURI($path = '') {
     if (!$this->getCurrentApplication()) {
       throw new Exception('No application!');
     }
     return $this->getCurrentApplication()->getApplicationURI($path);
   }
 
   public function buildApplicationPage($view, array $options) {
     $page = $this->buildStandardPageView();
 
     $title = PhabricatorEnv::getEnvConfig('phabricator.serious-business') ?
       'Phabricator' :
       pht('Bacon Ice Cream for Breakfast');
 
     $application = $this->getCurrentApplication();
     $page->setTitle(idx($options, 'title', $title));
     if ($application) {
       $page->setApplicationName($application->getName());
       if ($application->getTitleGlyph()) {
         $page->setGlyph($application->getTitleGlyph());
       }
     }
 
     if (!($view instanceof AphrontSideNavFilterView)) {
       $nav = new AphrontSideNavFilterView();
       $nav->appendChild($view);
       $view = $nav;
     }
 
     $user = $this->getRequest()->getUser();
     $view->setUser($user);
 
     $page->appendChild($view);
 
     $object_phids = idx($options, 'pageObjects', array());
     if ($object_phids) {
       $page->appendPageObjects($object_phids);
       foreach ($object_phids as $object_phid) {
         PhabricatorFeedStoryNotification::updateObjectNotificationViews(
           $user,
           $object_phid);
       }
     }
 
     if (idx($options, 'device', true)) {
       $page->setDeviceReady(true);
     }
 
     $page->setShowFooter(idx($options, 'showFooter', true));
     $page->setShowChrome(idx($options, 'chrome', true));
 
     $application_menu = $this->buildApplicationMenu();
     if ($application_menu) {
       $page->setApplicationMenu($application_menu);
     }
 
     $response = new AphrontWebpageResponse();
     return $response->setContent($page->render());
   }
 
   public function didProcessRequest($response) {
     // If a bare DialogView is returned, wrap it in a DialogResponse.
     if ($response instanceof AphrontDialogView) {
       $response = id(new AphrontDialogResponse())->setDialog($response);
     }
 
     $request = $this->getRequest();
     $response->setRequest($request);
 
     $seen = array();
     while ($response instanceof AphrontProxyResponse) {
       $hash = spl_object_hash($response);
       if (isset($seen[$hash])) {
         $seen[] = get_class($response);
         throw new Exception(
           'Cycle while reducing proxy responses: '.
           implode(' -> ', $seen));
       }
       $seen[$hash] = get_class($response);
 
       $response = $response->reduceProxyResponse();
     }
 
     if ($response instanceof AphrontDialogResponse) {
       if (!$request->isAjax()) {
         $dialog = $response->getDialog();
 
         $title = $dialog->getTitle();
         $short = $dialog->getShortTitle();
 
         $crumbs = $this->buildApplicationCrumbs();
         $crumbs->addTextCrumb(coalesce($short, $title));
 
         $page_content = array(
           $crumbs,
           $response->buildResponseString(),
         );
 
         $view = id(new PhabricatorStandardPageView())
           ->setRequest($request)
           ->setController($this)
           ->setDeviceReady(true)
           ->setTitle($title)
           ->appendChild($page_content);
 
         $response = id(new AphrontWebpageResponse())
           ->setContent($view->render())
           ->setHTTPResponseCode($response->getHTTPResponseCode());
       } else {
         $response->getDialog()->setIsStandalone(true);
 
         return id(new AphrontAjaxResponse())
           ->setContent(array(
             'dialog' => $response->buildResponseString(),
           ));
       }
     } else if ($response instanceof AphrontRedirectResponse) {
       if ($request->isAjax()) {
         return id(new AphrontAjaxResponse())
           ->setContent(
             array(
               'redirect' => $response->getURI(),
             ));
       }
     }
 
     return $response;
   }
 
   protected function getHandle($phid) {
     if (empty($this->handles[$phid])) {
       throw new Exception(
         "Attempting to access handle which wasn't loaded: {$phid}");
     }
     return $this->handles[$phid];
   }
 
   protected function loadHandles(array $phids) {
     $phids = array_filter($phids);
     $this->handles = $this->loadViewerHandles($phids);
     return $this;
   }
 
   protected function getLoadedHandles() {
     return $this->handles;
   }
 
   protected function loadViewerHandles(array $phids) {
     return id(new PhabricatorHandleQuery())
       ->setViewer($this->getRequest()->getUser())
       ->withPHIDs($phids)
       ->execute();
   }
 
   /**
    * Render a list of links to handles, identified by PHIDs. The handles must
    * already be loaded.
    *
    * @param   list<phid>  List of PHIDs to render links to.
    * @param   string      Style, one of "\n" (to put each item on its own line)
    *                      or "," (to list items inline, separated by commas).
    * @return  string      Rendered list of handle links.
    */
   protected function renderHandlesForPHIDs(array $phids, $style = "\n") {
     $style_map = array(
       "\n"  => phutil_tag('br'),
       ','   => ', ',
     );
 
     if (empty($style_map[$style])) {
       throw new Exception("Unknown handle list style '{$style}'!");
     }
 
     return implode_selected_handle_links($style_map[$style],
       $this->getLoadedHandles(),
       array_filter($phids));
   }
 
   protected function buildApplicationMenu() {
     return null;
   }
 
   protected function buildApplicationCrumbs() {
     $crumbs = array();
 
     $application = $this->getCurrentApplication();
     if ($application) {
       $sprite = $application->getIconName();
       if (!$sprite) {
         $sprite = 'application';
       }
 
       $crumbs[] = id(new PhabricatorCrumbView())
         ->setHref($this->getApplicationURI())
         ->setAural($application->getName())
         ->setIcon($sprite);
     }
 
     $view = new PhabricatorCrumbsView();
     foreach ($crumbs as $crumb) {
       $view->addCrumb($crumb);
     }
 
     return $view;
   }
 
   protected function hasApplicationCapability($capability) {
     return PhabricatorPolicyFilter::hasCapability(
       $this->getRequest()->getUser(),
       $this->getCurrentApplication(),
       $capability);
   }
 
   protected function requireApplicationCapability($capability) {
     PhabricatorPolicyFilter::requireCapability(
       $this->getRequest()->getUser(),
       $this->getCurrentApplication(),
       $capability);
   }
 
   protected function explainApplicationCapability(
     $capability,
     $positive_message,
     $negative_message) {
 
     $can_act = $this->hasApplicationCapability($capability);
     if ($can_act) {
       $message = $positive_message;
       $icon_name = 'fa-play-circle-o lightgreytext';
     } else {
       $message = $negative_message;
       $icon_name = 'fa-lock';
     }
 
     $icon = id(new PHUIIconView())
       ->setIconFont($icon_name);
 
     require_celerity_resource('policy-css');
 
     $phid = $this->getCurrentApplication()->getPHID();
     $explain_uri = "/policy/explain/{$phid}/{$capability}/";
 
     $message = phutil_tag(
       'div',
       array(
         'class' => 'policy-capability-explanation',
       ),
       array(
         $icon,
         javelin_tag(
           'a',
           array(
             'href' => $explain_uri,
             'sigil' => 'workflow',
           ),
           $message),
       ));
 
     return array($can_act, $message);
   }
 
   public function getDefaultResourceSource() {
     return 'phabricator';
   }
 
   /**
    * Create a new @{class:AphrontDialogView} with defaults filled in.
    *
    * @return AphrontDialogView New dialog.
    */
   public function newDialog() {
     $submit_uri = new PhutilURI($this->getRequest()->getRequestURI());
     $submit_uri = $submit_uri->getPath();
 
     return id(new AphrontDialogView())
       ->setUser($this->getRequest()->getUser())
       ->setSubmitURI($submit_uri);
   }
 
   protected function buildTransactionTimeline(
     PhabricatorApplicationTransactionInterface $object,
     PhabricatorApplicationTransactionQuery $query,
     PhabricatorMarkupEngine $engine = null,
     $render_data = array()) {
 
     $viewer = $this->getRequest()->getUser();
     $xaction = $object->getApplicationTransactionTemplate();
     $view = $xaction->getApplicationTransactionViewObject();
 
     $pager = id(new AphrontCursorPagerView())
       ->readFromRequest($this->getRequest())
       ->setURI(new PhutilURI(
         '/transactions/showolder/'.$object->getPHID().'/'));
 
     $xactions = $query
       ->setViewer($viewer)
       ->withObjectPHIDs(array($object->getPHID()))
       ->needComments(true)
       ->setReversePaging(false)
       ->executeWithCursorPager($pager);
     $xactions = array_reverse($xactions);
 
     if ($engine) {
       foreach ($xactions as $xaction) {
         if ($xaction->getComment()) {
           $engine->addObject(
             $xaction->getComment(),
             PhabricatorApplicationTransactionComment::MARKUP_FIELD_COMMENT);
         }
       }
       $engine->process();
       $view->setMarkupEngine($engine);
     }
 
     $timeline = $view
       ->setUser($viewer)
       ->setObjectPHID($object->getPHID())
       ->setTransactions($xactions)
       ->setPager($pager)
-      ->setRenderData($render_data);
+      ->setRenderData($render_data)
+      ->setQuoteTargetID($this->getRequest()->getStr('quoteTargetID'))
+      ->setQuoteRef($this->getRequest()->getStr('quoteRef'));
     $object->willRenderTimeline($timeline, $this->getRequest());
 
     return $timeline;
   }
 
 }
diff --git a/src/applications/transactions/view/PhabricatorApplicationTransactionView.php b/src/applications/transactions/view/PhabricatorApplicationTransactionView.php
index 4988fb2ace..8cf3135578 100644
--- a/src/applications/transactions/view/PhabricatorApplicationTransactionView.php
+++ b/src/applications/transactions/view/PhabricatorApplicationTransactionView.php
@@ -1,497 +1,499 @@
 <?php
 
 /**
  * @concrete-extensible
  */
 class PhabricatorApplicationTransactionView extends AphrontView {
 
   private $transactions;
   private $engine;
   private $showEditActions = true;
   private $isPreview;
   private $objectPHID;
   private $shouldTerminate = false;
   private $quoteTargetID;
   private $quoteRef;
   private $pager;
   private $renderData = array();
 
   public function setQuoteRef($quote_ref) {
     $this->quoteRef = $quote_ref;
     return $this;
   }
 
   public function getQuoteRef() {
     return $this->quoteRef;
   }
 
   public function setQuoteTargetID($quote_target_id) {
     $this->quoteTargetID = $quote_target_id;
     return $this;
   }
 
   public function getQuoteTargetID() {
     return $this->quoteTargetID;
   }
 
   public function setObjectPHID($object_phid) {
     $this->objectPHID = $object_phid;
     return $this;
   }
 
   public function getObjectPHID() {
     return $this->objectPHID;
   }
 
   public function setIsPreview($is_preview) {
     $this->isPreview = $is_preview;
     return $this;
   }
 
   public function setShowEditActions($show_edit_actions) {
     $this->showEditActions = $show_edit_actions;
     return $this;
   }
 
   public function getShowEditActions() {
     return $this->showEditActions;
   }
 
   public function setMarkupEngine(PhabricatorMarkupEngine $engine) {
     $this->engine = $engine;
     return $this;
   }
 
   public function setTransactions(array $transactions) {
     assert_instances_of($transactions, 'PhabricatorApplicationTransaction');
     $this->transactions = $transactions;
     return $this;
   }
 
   public function getTransactions() {
     return $this->transactions;
   }
 
   public function setShouldTerminate($term) {
     $this->shouldTerminate = $term;
     return $this;
   }
 
   public function setPager(AphrontCursorPagerView $pager) {
     $this->pager = $pager;
     return $this;
   }
 
   public function getPager() {
     return $this->pager;
   }
 
   /**
    * This is additional data that may be necessary to render the next set
    * of transactions. Objects that implement
    * PhabricatorApplicationTransactionInterface use this data in
    * willRenderTimeline.
    */
   public function setRenderData(array $data) {
     $this->renderData = $data;
     return $this;
   }
 
   public function getRenderData() {
     return $this->renderData;
   }
 
   public function buildEvents($with_hiding = false) {
     $user = $this->getUser();
 
     $xactions = $this->transactions;
 
     $xactions = $this->filterHiddenTransactions($xactions);
     $xactions = $this->groupRelatedTransactions($xactions);
     $groups = $this->groupDisplayTransactions($xactions);
 
     // If the viewer has interacted with this object, we hide things from
     // before their most recent interaction by default. This tends to make
     // very long threads much more manageable, because you don't have to
     // scroll through a lot of history and can focus on just new stuff.
 
     $show_group = null;
 
     if ($with_hiding) {
       // Find the most recent comment by the viewer.
       $group_keys = array_keys($groups);
       $group_keys = array_reverse($group_keys);
 
       // If we would only hide a small number of transactions, don't hide
       // anything. Just don't examine the last few keys. Also, we always
       // want to show the most recent pieces of activity, so don't examine
       // the first few keys either.
       $group_keys = array_slice($group_keys, 2, -2);
 
       $type_comment = PhabricatorTransactions::TYPE_COMMENT;
       foreach ($group_keys as $group_key) {
         $group = $groups[$group_key];
         foreach ($group as $xaction) {
           if ($xaction->getAuthorPHID() == $user->getPHID() &&
               $xaction->getTransactionType() == $type_comment) {
             // This is the most recent group where the user commented.
             $show_group = $group_key;
             break 2;
           }
         }
       }
     }
 
     $events = array();
     $hide_by_default = ($show_group !== null);
     $set_next_page_id = false;
 
     foreach ($groups as $group_key => $group) {
       if ($hide_by_default && ($show_group === $group_key)) {
         $hide_by_default = false;
         $set_next_page_id = true;
       }
 
       $group_event = null;
       foreach ($group as $xaction) {
         $event = $this->renderEvent($xaction, $group);
         $event->setHideByDefault($hide_by_default);
         if (!$group_event) {
           $group_event = $event;
         } else {
           $group_event->addEventToGroup($event);
         }
         if ($set_next_page_id) {
           $set_next_page_id = false;
           $pager = $this->getPager();
           if ($pager) {
             $pager->setNextPageID($xaction->getID());
           }
         }
       }
       $events[] = $group_event;
 
     }
 
     return $events;
   }
 
   public function render() {
     if (!$this->getObjectPHID()) {
       throw new Exception('Call setObjectPHID() before render()!');
     }
 
     $view = $this->buildPHUITimelineView();
 
     if ($this->getShowEditActions()) {
       Javelin::initBehavior('phabricator-transaction-list');
     }
 
     return $view->render();
   }
 
   public function buildPHUITimelineView($with_hiding = true) {
     if (!$this->getObjectPHID()) {
       throw new Exception(
         'Call setObjectPHID() before buildPHUITimelineView()!');
     }
 
     $view = new PHUITimelineView();
     $view->setShouldTerminate($this->shouldTerminate);
+    $view->setQuoteTargetID($this->getQuoteTargetID());
+    $view->setQuoteRef($this->getQuoteRef());
     $events = $this->buildEvents($with_hiding);
     foreach ($events as $event) {
       $view->addEvent($event);
     }
     if ($this->getPager()) {
       $view->setPager($this->getPager());
     }
     if ($this->getRenderData()) {
       $view->setRenderData($this->getRenderData());
     }
 
     return $view;
   }
 
   protected function getOrBuildEngine() {
     if (!$this->engine) {
       $field = PhabricatorApplicationTransactionComment::MARKUP_FIELD_COMMENT;
 
       $engine = id(new PhabricatorMarkupEngine())
         ->setViewer($this->getUser());
       foreach ($this->transactions as $xaction) {
         if (!$xaction->hasComment()) {
           continue;
         }
         $engine->addObject($xaction->getComment(), $field);
       }
       $engine->process();
 
       $this->engine = $engine;
     }
 
     return $this->engine;
   }
 
   private function buildChangeDetailsLink(
     PhabricatorApplicationTransaction $xaction) {
 
     return javelin_tag(
       'a',
       array(
         'href' => '/transactions/detail/'.$xaction->getPHID().'/',
         'sigil' => 'workflow',
       ),
       pht('(Show Details)'));
   }
 
   private function buildExtraInformationLink(
     PhabricatorApplicationTransaction $xaction) {
 
     $link = $xaction->renderExtraInformationLink();
     if (!$link) {
       return null;
     }
 
     return phutil_tag(
       'span',
       array(
         'class' => 'phui-timeline-extra-information',
       ),
       array(" \xC2\xB7  ", $link));
   }
 
   protected function shouldGroupTransactions(
     PhabricatorApplicationTransaction $u,
     PhabricatorApplicationTransaction $v) {
     return false;
   }
 
   protected function renderTransactionContent(
     PhabricatorApplicationTransaction $xaction) {
 
     $field = PhabricatorApplicationTransactionComment::MARKUP_FIELD_COMMENT;
     $engine = $this->getOrBuildEngine();
     $comment = $xaction->getComment();
 
     if ($comment) {
       if ($comment->getIsRemoved()) {
         return javelin_tag(
           'span',
           array(
             'class' => 'comment-deleted',
             'sigil' => 'transaction-comment',
             'meta'  => array('phid' => $comment->getTransactionPHID()),
           ),
           pht(
             'This comment was removed by %s.',
             $xaction->getHandle($comment->getAuthorPHID())->renderLink()));
       } else if ($comment->getIsDeleted()) {
         return javelin_tag(
           'span',
           array(
             'class' => 'comment-deleted',
             'sigil' => 'transaction-comment',
             'meta'  => array('phid' => $comment->getTransactionPHID()),
           ),
           pht('This comment has been deleted.'));
       } else if ($xaction->hasComment()) {
         return javelin_tag(
           'span',
           array(
             'class' => 'transaction-comment',
             'sigil' => 'transaction-comment',
             'meta'  => array('phid' => $comment->getTransactionPHID()),
           ),
           $engine->getOutput($comment, $field));
       } else {
         // This is an empty, non-deleted comment. Usually this happens when
         // rendering previews.
         return null;
       }
     }
 
     return null;
   }
 
   private function filterHiddenTransactions(array $xactions) {
     foreach ($xactions as $key => $xaction) {
       if ($xaction->shouldHide()) {
         unset($xactions[$key]);
       }
     }
     return $xactions;
   }
 
   private function groupRelatedTransactions(array $xactions) {
     $last = null;
     $last_key = null;
     $groups = array();
     foreach ($xactions as $key => $xaction) {
       if ($last && $this->shouldGroupTransactions($last, $xaction)) {
         $groups[$last_key][] = $xaction;
         unset($xactions[$key]);
       } else {
         $last = $xaction;
         $last_key = $key;
       }
     }
 
     foreach ($xactions as $key => $xaction) {
       $xaction->attachTransactionGroup(idx($groups, $key, array()));
     }
 
     return $xactions;
   }
 
   private function groupDisplayTransactions(array $xactions) {
     $groups = array();
     $group = array();
     foreach ($xactions as $xaction) {
       if ($xaction->shouldDisplayGroupWith($group)) {
         $group[] = $xaction;
       } else {
         if ($group) {
           $groups[] = $group;
         }
         $group = array($xaction);
       }
     }
 
     if ($group) {
       $groups[] = $group;
     }
 
     foreach ($groups as $key => $group) {
       $group = msort($group, 'getActionStrength');
       $group = array_reverse($group);
       $groups[$key] = $group;
     }
 
     return $groups;
   }
 
   private function renderEvent(
     PhabricatorApplicationTransaction $xaction,
     array $group) {
     $viewer = $this->getUser();
 
     $event = id(new PHUITimelineEventView())
       ->setUser($viewer)
       ->setTransactionPHID($xaction->getPHID())
       ->setUserHandle($xaction->getHandle($xaction->getAuthorPHID()))
       ->setIcon($xaction->getIcon())
       ->setColor($xaction->getColor());
 
     list($token, $token_removed) = $xaction->getToken();
     if ($token) {
       $event->setToken($token, $token_removed);
     }
 
     if (!$this->shouldSuppressTitle($xaction, $group)) {
       $title = $xaction->getTitle();
       if ($xaction->hasChangeDetails()) {
         if (!$this->isPreview) {
           $details = $this->buildChangeDetailsLink($xaction);
           $title = array(
             $title,
             ' ',
             $details,
           );
         }
       }
 
       if (!$this->isPreview) {
         $more = $this->buildExtraInformationLink($xaction);
         if ($more) {
           $title = array($title, ' ', $more);
         }
       }
 
       $event->setTitle($title);
     }
 
     if ($this->isPreview) {
       $event->setIsPreview(true);
     } else {
       $event
         ->setDateCreated($xaction->getDateCreated())
         ->setContentSource($xaction->getContentSource())
         ->setAnchor($xaction->getID());
     }
 
     $transaction_type = $xaction->getTransactionType();
     $comment_type = PhabricatorTransactions::TYPE_COMMENT;
     $is_normal_comment = ($transaction_type == $comment_type);
 
     if ($this->getShowEditActions() &&
         !$this->isPreview &&
         $is_normal_comment) {
 
       $has_deleted_comment =
         $xaction->getComment() &&
         $xaction->getComment()->getIsDeleted();
 
       $has_removed_comment =
         $xaction->getComment() &&
         $xaction->getComment()->getIsRemoved();
 
       if ($xaction->getCommentVersion() > 1 && !$has_removed_comment) {
         $event->setIsEdited(true);
       }
 
       // If we have a place for quoted text to go and this is a quotable
       // comment, pass the quote target ID to the event view.
       if ($this->getQuoteTargetID()) {
         if ($xaction->hasComment()) {
           if (!$has_removed_comment && !$has_deleted_comment) {
             $event->setQuoteTargetID($this->getQuoteTargetID());
             $event->setQuoteRef($this->getQuoteRef());
           }
         }
       }
 
       $can_edit = PhabricatorPolicyCapability::CAN_EDIT;
 
       if ($xaction->hasComment() || $has_deleted_comment) {
         $has_edit_capability = PhabricatorPolicyFilter::hasCapability(
           $viewer,
           $xaction,
           $can_edit);
         if ($has_edit_capability && !$has_removed_comment) {
           $event->setIsEditable(true);
         }
         if ($has_edit_capability || $viewer->getIsAdmin()) {
           if (!$has_removed_comment) {
             $event->setIsRemovable(true);
           }
         }
       }
     }
 
     $comment = $this->renderTransactionContent($xaction);
     if ($comment) {
       $event->appendChild($comment);
     }
 
     return $event;
   }
 
   private function shouldSuppressTitle(
     PhabricatorApplicationTransaction $xaction,
     array $group) {
 
     // This is a little hard-coded, but we don't have any other reasonable
     // cases for now. Suppress "commented on" if there are other actions in
     // the display group.
 
     if (count($group) > 1) {
       $type_comment = PhabricatorTransactions::TYPE_COMMENT;
       if ($xaction->getTransactionType() == $type_comment) {
         return true;
       }
     }
 
     return false;
   }
 
 }
diff --git a/src/view/phui/PHUITimelineView.php b/src/view/phui/PHUITimelineView.php
index d91924cc8d..a31d9cf8a3 100644
--- a/src/view/phui/PHUITimelineView.php
+++ b/src/view/phui/PHUITimelineView.php
@@ -1,150 +1,173 @@
 <?php
 
 final class PHUITimelineView extends AphrontView {
 
   private $events = array();
   private $id;
   private $shouldTerminate = false;
   private $shouldAddSpacers = true;
   private $pager;
   private $renderData = array();
+  private $quoteTargetID;
+  private $quoteRef;
 
   public function setID($id) {
     $this->id = $id;
     return $this;
   }
 
   public function setShouldTerminate($term) {
     $this->shouldTerminate = $term;
     return $this;
   }
 
   public function setShouldAddSpacers($bool) {
     $this->shouldAddSpacers = $bool;
     return $this;
   }
 
   public function setPager(AphrontCursorPagerView $pager) {
     $this->pager = $pager;
     return $this;
   }
 
   public function getPager() {
     return $this->pager;
   }
 
   public function addEvent(PHUITimelineEventView $event) {
     $this->events[] = $event;
     return $this;
   }
 
   public function setRenderData(array $data) {
     $this->renderData = $data;
     return $this;
   }
 
+  public function setQuoteTargetID($quote_target_id) {
+    $this->quoteTargetID = $quote_target_id;
+    return $this;
+  }
+
+  public function getQuoteTargetID() {
+    return $this->quoteTargetID;
+  }
+
+  public function setQuoteRef($quote_ref) {
+    $this->quoteRef = $quote_ref;
+    return $this;
+  }
+
+  public function getQuoteRef() {
+    return $this->quoteRef;
+  }
+
   public function render() {
     if ($this->getPager()) {
       if ($this->id === null) {
         $this->id = celerity_generate_unique_node_id();
       }
       Javelin::initBehavior(
         'phabricator-show-older-transactions',
         array(
           'timelineID' => $this->id,
           'renderData' => $this->renderData,
         ));
     }
     $events = $this->buildEvents();
 
     return phutil_tag(
       'div',
       array(
         'class' => 'phui-timeline-view',
         'id' => $this->id,
       ),
       $events);
   }
 
   public function buildEvents() {
     require_celerity_resource('phui-timeline-view-css');
 
     $spacer = self::renderSpacer();
 
     $hide = array();
     $show = array();
 
     foreach ($this->events as $event) {
       if ($event->getHideByDefault()) {
         $hide[] = $event;
       } else {
         $show[] = $event;
       }
     }
 
     $events = array();
     if ($hide && $this->getPager()) {
+      $uri = $this->getPager()->getNextPageURI();
+      $uri->setQueryParam('quoteTargetID', $this->getQuoteTargetID());
+      $uri->setQueryParam('quoteRef', $this->getQuoteRef());
       $events[] = javelin_tag(
         'div',
         array(
           'sigil' => 'show-older-block',
           'class' => 'phui-timeline-older-transactions-are-hidden',
         ),
         array(
           pht('Older changes are hidden. '),
           ' ',
           javelin_tag(
             'a',
             array(
-              'href' => (string) $this->getPager()->getNextPageURI(),
+              'href' => (string) $uri,
               'mustcapture' => true,
               'sigil' => 'show-older-link',
             ),
             pht('Show older changes.')),
         ));
     }
 
     if ($hide && $show) {
       $events[] = $spacer;
     }
 
     if ($show) {
       $events[] = phutil_implode_html($spacer, $show);
     }
 
     if ($events) {
       if ($this->shouldAddSpacers) {
         $events = array($spacer, $events, $spacer);
       }
     } else {
       $events = array($spacer);
     }
 
     if ($this->shouldTerminate) {
       $events[] = self::renderEnder(true);
     }
 
     return $events;
   }
 
   public static function renderSpacer() {
     return phutil_tag(
       'div',
       array(
         'class' => 'phui-timeline-event-view '.
                    'phui-timeline-spacer',
       ),
       '');
   }
 
   public static function renderEnder() {
     return phutil_tag(
       'div',
       array(
         'class' => 'phui-timeline-event-view '.
                    'the-worlds-end',
       ),
       '');
   }
 
 }