diff --git a/src/applications/people/markup/PhabricatorMentionRemarkupRule.php b/src/applications/people/markup/PhabricatorMentionRemarkupRule.php
index 42efb05603..8049866118 100644
--- a/src/applications/people/markup/PhabricatorMentionRemarkupRule.php
+++ b/src/applications/people/markup/PhabricatorMentionRemarkupRule.php
@@ -1,181 +1,185 @@
 <?php
 
 final class PhabricatorMentionRemarkupRule extends PhutilRemarkupRule {
 
   const KEY_RULE_MENTION          = 'rule.mention';
   const KEY_RULE_MENTION_ORIGINAL = 'rule.mention.original';
 
   const KEY_MENTIONED = 'phabricator.mentioned-user-phids';
 
 
   // NOTE: The negative lookbehind prevents matches like "mail@lists", while
   // allowing constructs like "@tomo/@mroch". Since we now allow periods in
   // usernames, we can't resonably distinguish that "@company.com" isn't a
   // username, so we'll incorrectly pick it up, but there's little to be done
   // about that. We forbid terminal periods so that we can correctly capture
   // "@joe" instead of "@joe." in "Hey, @joe.".
   //
   // We disallow "@@joe" because it creates a false positive in the common
   // construction "l@@k", made popular by eBay.
   const REGEX = '/(?<!\w|@)@([a-zA-Z0-9._-]*[a-zA-Z0-9_-])/';
 
   public function apply($text) {
     return preg_replace_callback(
       self::REGEX,
       array($this, 'markupMention'),
       $text);
   }
 
   protected function markupMention(array $matches) {
     $engine = $this->getEngine();
 
     if ($engine->isTextMode()) {
       return $engine->storeText($matches[0]);
     }
 
     $token = $engine->storeText('');
 
     // Store the original text exactly so we can preserve casing if it doesn't
     // resolve into a username.
     $original_key = self::KEY_RULE_MENTION_ORIGINAL;
     $original = $engine->getTextMetadata($original_key, array());
     $original[$token] = $matches[1];
     $engine->setTextMetadata($original_key, $original);
 
     $metadata_key = self::KEY_RULE_MENTION;
     $metadata = $engine->getTextMetadata($metadata_key, array());
     $username = strtolower($matches[1]);
     if (empty($metadata[$username])) {
       $metadata[$username] = array();
     }
     $metadata[$username][] = $token;
     $engine->setTextMetadata($metadata_key, $metadata);
 
     return $token;
   }
 
   public function didMarkupText() {
     $engine = $this->getEngine();
 
     $metadata_key = self::KEY_RULE_MENTION;
     $metadata = $engine->getTextMetadata($metadata_key, array());
     if (empty($metadata)) {
       // No mentions, or we already processed them.
       return;
     }
 
     $original_key = self::KEY_RULE_MENTION_ORIGINAL;
     $original = $engine->getTextMetadata($original_key, array());
 
     $usernames = array_keys($metadata);
 
     $users = id(new PhabricatorPeopleQuery())
       ->setViewer($this->getEngine()->getConfig('viewer'))
       ->withUsernames($usernames)
       ->needAvailability(true)
       ->execute();
 
     $actual_users = array();
 
     $mentioned_key = self::KEY_MENTIONED;
     $mentioned = $engine->getTextMetadata($mentioned_key, array());
     foreach ($users as $row) {
       $actual_users[strtolower($row->getUserName())] = $row;
       $mentioned[$row->getPHID()] = $row->getPHID();
     }
 
     $engine->setTextMetadata($mentioned_key, $mentioned);
     $context_object = $engine->getConfig('contextObject');
 
     foreach ($metadata as $username => $tokens) {
       $exists = isset($actual_users[$username]);
       $user_has_no_permission = false;
 
       if ($exists) {
         $user = $actual_users[$username];
         Javelin::initBehavior('phui-hovercards');
 
         // Check if the user has view access to the object she was mentioned in
         if ($context_object
           && $context_object instanceof PhabricatorPolicyInterface) {
           if (!PhabricatorPolicyFilter::hasCapability(
             $user,
             $context_object,
             PhabricatorPolicyCapability::CAN_VIEW)) {
             // User mentioned has no permission to this object
             $user_has_no_permission = true;
           }
         }
 
         $user_href = '/p/'.$user->getUserName().'/';
 
         if ($engine->isHTMLMailMode()) {
           $user_href = PhabricatorEnv::getProductionURI($user_href);
 
           if ($user_has_no_permission) {
             $colors = '
               border-color: #92969D;
               color: #92969D;
               background-color: #F7F7F7;';
           } else {
             $colors = '
               border-color: #f1f7ff;
               color: #19558d;
               background-color: #f1f7ff;';
           }
 
           $tag = phutil_tag(
             'a',
             array(
               'href' => $user_href,
               'style' => $colors.'
                 border: 1px solid transparent;
                 border-radius: 3px;
                 font-weight: bold;
                 padding: 0 4px;',
             ),
             '@'.$user->getUserName());
         } else {
+          if ($engine->getConfig('uri.full')) {
+            $user_href = PhabricatorEnv::getURI($user_href);
+          }
+
           $tag = id(new PHUITagView())
             ->setType(PHUITagView::TYPE_PERSON)
             ->setPHID($user->getPHID())
             ->setName('@'.$user->getUserName())
             ->setHref($user_href);
 
           if ($user_has_no_permission) {
             $tag->addClass('phabricator-remarkup-mention-nopermission');
           }
 
           if (!$user->isUserActivated()) {
             $tag->setDotColor(PHUITagView::COLOR_GREY);
           } else {
             if ($user->getAwayUntil()) {
               $tag->setDotColor(PHUITagView::COLOR_RED);
             }
           }
         }
 
         foreach ($tokens as $token) {
           $engine->overwriteStoredText($token, $tag);
         }
       } else {
         // NOTE: The structure here is different from the 'exists' branch,
         // because we want to preserve the original text capitalization and it
         // may differ for each token.
         foreach ($tokens as $token) {
           $tag = phutil_tag(
             'span',
             array(
               'class' => 'phabricator-remarkup-mention-unknown',
             ),
             '@'.idx($original, $token, $username));
           $engine->overwriteStoredText($token, $tag);
         }
       }
     }
 
     // Don't re-process these mentions.
     $engine->setTextMetadata($metadata_key, array());
   }
 
 }
diff --git a/src/applications/phame/controller/post/PhamePostViewController.php b/src/applications/phame/controller/post/PhamePostViewController.php
index 5579e82656..fdbaf139c2 100644
--- a/src/applications/phame/controller/post/PhamePostViewController.php
+++ b/src/applications/phame/controller/post/PhamePostViewController.php
@@ -1,269 +1,273 @@
 <?php
 
 final class PhamePostViewController
   extends PhameLiveController {
 
   public function handleRequest(AphrontRequest $request) {
     $response = $this->setupLiveEnvironment();
     if ($response) {
       return $response;
     }
 
     $viewer = $request->getViewer();
     $moved = $request->getStr('moved');
 
     $post = $this->getPost();
     $blog = $this->getBlog();
 
     $is_live = $this->getIsLive();
     $is_external = $this->getIsExternal();
 
     $header = id(new PHUIHeaderView())
       ->setHeader($post->getTitle())
       ->setUser($viewer);
 
     if (!$is_external) {
       $actions = $this->renderActions($post);
       $header->setPolicyObject($post);
       $header->setActionList($actions);
     }
 
     $document = id(new PHUIDocumentViewPro())
       ->setHeader($header);
 
     if ($moved) {
       $document->appendChild(
         id(new PHUIInfoView())
           ->setSeverity(PHUIInfoView::SEVERITY_NOTICE)
           ->appendChild(pht('Post moved successfully.')));
     }
 
     if ($post->isDraft()) {
       $document->appendChild(
         id(new PHUIInfoView())
           ->setSeverity(PHUIInfoView::SEVERITY_NOTICE)
           ->setTitle(pht('Draft Post'))
           ->appendChild(
             pht('Only you can see this draft until you publish it. '.
                 'Use "Publish" to publish this post.')));
     }
 
     if (!$post->getBlog()) {
       $document->appendChild(
         id(new PHUIInfoView())
           ->setSeverity(PHUIInfoView::SEVERITY_WARNING)
           ->setTitle(pht('Not On A Blog'))
           ->appendChild(
             pht('This post is not associated with a blog (the blog may have '.
                 'been deleted). Use "Move Post" to move it to a new blog.')));
     }
 
     $engine = id(new PhabricatorMarkupEngine())
       ->setViewer($viewer)
       ->addObject($post, PhamePost::MARKUP_FIELD_BODY)
       ->process();
 
     $document->appendChild(
       phutil_tag(
          'div',
         array(
           'class' => 'phabricator-remarkup',
         ),
         $engine->getOutput($post, PhamePost::MARKUP_FIELD_BODY)));
 
     $blogger = id(new PhabricatorPeopleQuery())
       ->setViewer($viewer)
       ->withPHIDs(array($post->getBloggerPHID()))
       ->needProfileImage(true)
       ->executeOne();
     $blogger_profile = $blogger->loadUserProfile();
 
+
+    $author_uri = '/p/'.$blogger->getUsername().'/';
+    $author_uri = PhabricatorEnv::getURI($author_uri);
+
     $author = phutil_tag(
       'a',
       array(
-        'href' => '/p/'.$blogger->getUsername().'/',
+        'href' => $author_uri,
       ),
       $blogger->getUsername());
 
     $date = phabricator_datetime($post->getDatePublished(), $viewer);
     if ($post->isDraft()) {
       $subtitle = pht('Unpublished draft by %s.', $author);
     } else {
       $subtitle = pht('Written by %s on %s.', $author, $date);
     }
 
     $user_icon = $blogger_profile->getIcon();
     $user_icon = PhabricatorPeopleIconSet::getIconIcon($user_icon);
     $user_icon = id(new PHUIIconView())->setIcon($user_icon);
 
     $about = id(new PhameDescriptionView())
       ->setTitle($subtitle)
       ->setDescription(
         array(
           $user_icon,
           ' ',
           $blogger_profile->getTitle(),
         ))
       ->setImage($blogger->getProfileImageURI())
-      ->setImageHref('/p/'.$blogger->getUsername());
+      ->setImageHref($author_uri);
 
     $timeline = $this->buildTransactionTimeline(
       $post,
       id(new PhamePostTransactionQuery())
       ->withTransactionTypes(array(PhabricatorTransactions::TYPE_COMMENT)));
     $timeline = phutil_tag_div('phui-document-view-pro-box', $timeline);
 
     if ($is_external) {
       $add_comment = null;
     } else {
       $add_comment = $this->buildCommentForm($post);
       $add_comment = phutil_tag_div('mlb mlt', $add_comment);
     }
 
     list($prev, $next) = $this->loadAdjacentPosts($post);
 
     $properties = id(new PHUIPropertyListView())
       ->setUser($viewer)
       ->setObject($post);
 
     $next_view = new PhameNextPostView();
     if ($next) {
-      $next_view->setNext($next->getTitle(), $next->getViewURI());
+      $next_view->setNext($next->getTitle(), $next->getLiveURI());
     }
     if ($prev) {
-      $next_view->setPrevious($prev->getTitle(), $prev->getViewURI());
+      $next_view->setPrevious($prev->getTitle(), $prev->getLiveURI());
     }
 
     $document->setFoot($next_view);
     $crumbs = $this->buildApplicationCrumbs();
     $properties = phutil_tag_div('phui-document-view-pro-box', $properties);
 
     $page = $this->newPage()
       ->setTitle($post->getTitle())
       ->setPageObjectPHIDs(array($post->getPHID()))
       ->setCrumbs($crumbs)
       ->appendChild(
         array(
           $document,
           $about,
           $properties,
           $timeline,
           $add_comment,
       ));
 
     if ($is_live) {
       $page
         ->setShowChrome(false)
         ->setShowFooter(false);
     }
 
     return $page;
   }
 
   private function renderActions(PhamePost $post) {
     $viewer = $this->getViewer();
 
     $actions = id(new PhabricatorActionListView())
       ->setObject($post)
       ->setUser($viewer);
 
     $can_edit = PhabricatorPolicyFilter::hasCapability(
       $viewer,
       $post,
       PhabricatorPolicyCapability::CAN_EDIT);
 
     $id = $post->getID();
 
     $actions->addAction(
       id(new PhabricatorActionView())
         ->setIcon('fa-pencil')
         ->setHref($this->getApplicationURI('post/edit/'.$id.'/'))
         ->setName(pht('Edit Post'))
         ->setDisabled(!$can_edit));
 
     $actions->addAction(
       id(new PhabricatorActionView())
         ->setIcon('fa-arrows')
         ->setHref($this->getApplicationURI('post/move/'.$id.'/'))
         ->setName(pht('Move Post'))
         ->setDisabled(!$can_edit)
         ->setWorkflow(true));
 
     $actions->addAction(
       id(new PhabricatorActionView())
         ->setIcon('fa-history')
         ->setHref($this->getApplicationURI('post/history/'.$id.'/'))
         ->setName(pht('View History')));
 
     if ($post->isDraft()) {
       $actions->addAction(
         id(new PhabricatorActionView())
           ->setIcon('fa-eye')
           ->setHref($this->getApplicationURI('post/publish/'.$id.'/'))
           ->setName(pht('Publish'))
           ->setDisabled(!$can_edit)
           ->setWorkflow(true));
     } else {
       $actions->addAction(
         id(new PhabricatorActionView())
           ->setIcon('fa-eye-slash')
           ->setHref($this->getApplicationURI('post/unpublish/'.$id.'/'))
           ->setName(pht('Unpublish'))
           ->setDisabled(!$can_edit)
           ->setWorkflow(true));
     }
 
     if ($post->isDraft()) {
       $live_name = pht('Preview');
     } else {
       $live_name = pht('View Live');
     }
 
     $actions->addAction(
       id(new PhabricatorActionView())
         ->setUser($viewer)
         ->setIcon('fa-globe')
         ->setHref($post->getLiveURI())
         ->setName($live_name));
 
     return $actions;
   }
 
   private function buildCommentForm(PhamePost $post) {
     $viewer = $this->getViewer();
 
     $draft = PhabricatorDraft::newFromUserAndKey(
       $viewer, $post->getPHID());
 
     $box = id(new PhabricatorApplicationTransactionCommentView())
       ->setUser($viewer)
       ->setObjectPHID($post->getPHID())
       ->setDraft($draft)
       ->setHeaderText(pht('Add Comment'))
       ->setAction($this->getApplicationURI('post/comment/'.$post->getID().'/'))
       ->setSubmitButtonName(pht('Add Comment'));
 
     return phutil_tag_div('phui-document-view-pro-box', $box);
   }
 
   private function loadAdjacentPosts(PhamePost $post) {
     $viewer = $this->getViewer();
 
     $query = id(new PhamePostQuery())
       ->setViewer($viewer)
       ->withVisibility(PhameConstants::VISIBILITY_PUBLISHED)
       ->withBlogPHIDs(array($post->getBlog()->getPHID()))
       ->setLimit(1);
 
     $prev = id(clone $query)
       ->setAfterID($post->getID())
       ->execute();
 
     $next = id(clone $query)
       ->setBeforeID($post->getID())
       ->execute();
 
     return array(head($prev), head($next));
   }
 
 }
diff --git a/src/applications/phame/view/PhamePostListView.php b/src/applications/phame/view/PhamePostListView.php
index fe6da36541..1932b597a1 100644
--- a/src/applications/phame/view/PhamePostListView.php
+++ b/src/applications/phame/view/PhamePostListView.php
@@ -1,144 +1,154 @@
 <?php
 
 final class PhamePostListView extends AphrontTagView {
 
   private $posts;
   private $nodata;
   private $showBlog = false;
   private $isExternal;
   private $isLive;
 
   public function setPosts($posts) {
     assert_instances_of($posts, 'PhamePost');
     $this->posts = $posts;
     return $this;
   }
 
   public function setNodata($nodata) {
     $this->nodata = $nodata;
     return $this;
   }
 
   public function showBlog($show) {
     $this->showBlog = $show;
     return $this;
   }
 
   public function setIsExternal($is_external) {
     $this->isExternal = $is_external;
     return $this;
   }
 
   public function getIsExternal() {
     return $this->isExternal;
   }
 
   public function setIsLive($is_live) {
     $this->isLive = $is_live;
     return $this;
   }
 
   public function getIsLive() {
     return $this->isLive;
   }
 
   protected function getTagAttributes() {
     return array();
   }
 
   protected function getTagContent() {
     $viewer = $this->getViewer();
     $posts = $this->posts;
     $nodata = $this->nodata;
 
     $handle_phids = array();
     foreach ($posts as $post) {
       $handle_phids[] = $post->getBloggerPHID();
       if ($post->getBlog()) {
         $handle_phids[] = $post->getBlog()->getPHID();
       }
     }
     $handles = $viewer->loadHandles($handle_phids);
 
     $list = array();
     foreach ($posts as $post) {
-      $blogger = $handles[$post->getBloggerPHID()]->renderLink();
+      $blogger_name = $handles[$post->getBloggerPHID()]->getName();
       $blogger_uri = $handles[$post->getBloggerPHID()]->getURI();
+      $blogger_uri = PhabricatorEnv::getURI($blogger_uri);
+
+      // Render a link manually to make sure we point at the correct domain.
+      $blogger = phutil_tag(
+        'a',
+        array(
+          'href' => $blogger_uri,
+        ),
+        $blogger_name);
+      $blogger = phutil_tag('strong', array(), $blogger);
+
       $blogger_image = $handles[$post->getBloggerPHID()]->getImageURI();
 
       $phame_post = null;
       if ($post->getBody()) {
         $phame_post = PhabricatorMarkupEngine::summarize($post->getBody());
         $phame_post = new PHUIRemarkupView($viewer, $phame_post);
       } else {
         $phame_post = phutil_tag('em', array(), pht('(Empty Post)'));
       }
 
-      $blogger = phutil_tag('strong', array(), $blogger);
       $date = phabricator_datetime($post->getDatePublished(), $viewer);
 
       $blog = $post->getBlog();
 
       if ($this->getIsLive()) {
         if ($this->getIsExternal()) {
           $blog_uri = $blog->getExternalLiveURI();
           $post_uri = $post->getExternalLiveURI();
         } else {
           $blog_uri = $blog->getInternalLiveURI();
           $post_uri = $post->getInternalLiveURI();
         }
       } else {
         $blog_uri = $blog->getViewURI();
         $post_uri = $post->getViewURI();
       }
 
       $blog_link = phutil_tag(
         'a',
         array(
           'href' => $blog_uri,
         ),
         $blog->getName());
 
       if ($this->showBlog) {
         if ($post->isDraft()) {
           $subtitle = pht(
             'Unpublished draft by %s in %s.',
             $blogger,
             $blog_link);
         } else {
           $subtitle = pht(
             'Written by %s on %s in %s.',
             $blogger,
             $date,
             $blog_link);
         }
       } else {
         if ($post->isDraft()) {
           $subtitle = pht('Unpublished draft by %s.', $blogger);
         } else {
           $subtitle = pht('Written by %s on %s.', $blogger, $date);
         }
       }
 
       $item = id(new PHUIDocumentSummaryView())
         ->setTitle($post->getTitle())
         ->setHref($post_uri)
         ->setSubtitle($subtitle)
         ->setImage($blogger_image)
         ->setImageHref($blogger_uri)
         ->setSummary($phame_post)
         ->setDraft($post->isDraft());
 
       $list[] = $item;
     }
 
     if (empty($list)) {
       $list = id(new PHUIInfoView())
         ->setSeverity(PHUIInfoView::SEVERITY_NODATA)
         ->appendChild($nodata);
     }
 
     return $list;
   }
 
 }
diff --git a/src/infrastructure/markup/PhabricatorMarkupEngine.php b/src/infrastructure/markup/PhabricatorMarkupEngine.php
index dc3809f873..7c19cac57f 100644
--- a/src/infrastructure/markup/PhabricatorMarkupEngine.php
+++ b/src/infrastructure/markup/PhabricatorMarkupEngine.php
@@ -1,659 +1,670 @@
 <?php
 
 /**
  * Manages markup engine selection, configuration, application, caching and
  * pipelining.
  *
  * @{class:PhabricatorMarkupEngine} can be used to render objects which
  * implement @{interface:PhabricatorMarkupInterface} in a batched, cache-aware
  * way. For example, if you have a list of comments written in remarkup (and
  * the objects implement the correct interface) you can render them by first
  * building an engine and adding the fields with @{method:addObject}.
  *
  *   $field  = 'field:body'; // Field you want to render. Each object exposes
  *                           // one or more fields of markup.
  *
  *   $engine = new PhabricatorMarkupEngine();
  *   foreach ($comments as $comment) {
  *     $engine->addObject($comment, $field);
  *   }
  *
  * Now, call @{method:process} to perform the actual cache/rendering
  * step. This is a heavyweight call which does batched data access and
  * transforms the markup into output.
  *
  *   $engine->process();
  *
  * Finally, do something with the results:
  *
  *   $results = array();
  *   foreach ($comments as $comment) {
  *     $results[] = $engine->getOutput($comment, $field);
  *   }
  *
  * If you have a single object to render, you can use the convenience method
  * @{method:renderOneObject}.
  *
  * @task markup Markup Pipeline
  * @task engine Engine Construction
  */
 final class PhabricatorMarkupEngine extends Phobject {
 
   private $objects = array();
   private $viewer;
   private $contextObject;
   private $version = 15;
   private $engineCaches = array();
   private $auxiliaryConfig = array();
 
 
 /* -(  Markup Pipeline  )---------------------------------------------------- */
 
 
   /**
    * Convenience method for pushing a single object through the markup
    * pipeline.
    *
    * @param PhabricatorMarkupInterface  The object to render.
    * @param string                      The field to render.
    * @param PhabricatorUser             User viewing the markup.
    * @param object                      A context object for policy checks
    * @return string                     Marked up output.
    * @task markup
    */
   public static function renderOneObject(
     PhabricatorMarkupInterface $object,
     $field,
     PhabricatorUser $viewer,
     $context_object = null) {
     return id(new PhabricatorMarkupEngine())
       ->setViewer($viewer)
       ->setContextObject($context_object)
       ->addObject($object, $field)
       ->process()
       ->getOutput($object, $field);
   }
 
 
   /**
    * Queue an object for markup generation when @{method:process} is
    * called. You can retrieve the output later with @{method:getOutput}.
    *
    * @param PhabricatorMarkupInterface  The object to render.
    * @param string                      The field to render.
    * @return this
    * @task markup
    */
   public function addObject(PhabricatorMarkupInterface $object, $field) {
     $key = $this->getMarkupFieldKey($object, $field);
     $this->objects[$key] = array(
       'object' => $object,
       'field'  => $field,
     );
 
     return $this;
   }
 
 
   /**
    * Process objects queued with @{method:addObject}. You can then retrieve
    * the output with @{method:getOutput}.
    *
    * @return this
    * @task markup
    */
   public function process() {
     $keys = array();
     foreach ($this->objects as $key => $info) {
       if (!isset($info['markup'])) {
         $keys[] = $key;
       }
     }
 
     if (!$keys) {
       return;
     }
 
     $objects = array_select_keys($this->objects, $keys);
 
     // Build all the markup engines. We need an engine for each field whether
     // we have a cache or not, since we still need to postprocess the cache.
     $engines = array();
     foreach ($objects as $key => $info) {
       $engines[$key] = $info['object']->newMarkupEngine($info['field']);
       $engines[$key]->setConfig('viewer', $this->viewer);
       $engines[$key]->setConfig('contextObject', $this->contextObject);
 
       foreach ($this->auxiliaryConfig as $aux_key => $aux_value) {
         $engines[$key]->setConfig($aux_key, $aux_value);
       }
     }
 
     // Load or build the preprocessor caches.
     $blocks = $this->loadPreprocessorCaches($engines, $objects);
     $blocks = mpull($blocks, 'getCacheData');
 
     $this->engineCaches = $blocks;
 
     // Finalize the output.
     foreach ($objects as $key => $info) {
       $engine = $engines[$key];
       $field = $info['field'];
       $object = $info['object'];
 
       $output = $engine->postprocessText($blocks[$key]);
       $output = $object->didMarkupText($field, $output, $engine);
       $this->objects[$key]['output'] = $output;
     }
 
     return $this;
   }
 
 
   /**
    * Get the output of markup processing for a field queued with
    * @{method:addObject}. Before you can call this method, you must call
    * @{method:process}.
    *
    * @param PhabricatorMarkupInterface  The object to retrieve.
    * @param string                      The field to retrieve.
    * @return string                     Processed output.
    * @task markup
    */
   public function getOutput(PhabricatorMarkupInterface $object, $field) {
     $key = $this->getMarkupFieldKey($object, $field);
     $this->requireKeyProcessed($key);
 
     return $this->objects[$key]['output'];
   }
 
 
   /**
    * Retrieve engine metadata for a given field.
    *
    * @param PhabricatorMarkupInterface  The object to retrieve.
    * @param string                      The field to retrieve.
    * @param string                      The engine metadata field to retrieve.
    * @param wild                        Optional default value.
    * @task markup
    */
   public function getEngineMetadata(
     PhabricatorMarkupInterface $object,
     $field,
     $metadata_key,
     $default = null) {
 
     $key = $this->getMarkupFieldKey($object, $field);
     $this->requireKeyProcessed($key);
 
     return idx($this->engineCaches[$key]['metadata'], $metadata_key, $default);
   }
 
 
   /**
    * @task markup
    */
   private function requireKeyProcessed($key) {
     if (empty($this->objects[$key])) {
       throw new Exception(
         pht(
           "Call %s before using results (key = '%s').",
           'addObject()',
           $key));
     }
 
     if (!isset($this->objects[$key]['output'])) {
       throw new PhutilInvalidStateException('process');
     }
   }
 
 
   /**
    * @task markup
    */
   private function getMarkupFieldKey(
     PhabricatorMarkupInterface $object,
     $field) {
 
     static $custom;
     if ($custom === null) {
       $custom = array_merge(
         self::loadCustomInlineRules(),
         self::loadCustomBlockRules());
 
       $custom = mpull($custom, 'getRuleVersion', null);
       ksort($custom);
       $custom = PhabricatorHash::digestForIndex(serialize($custom));
     }
 
     return $object->getMarkupFieldKey($field).'@'.$this->version.'@'.$custom;
   }
 
 
   /**
    * @task markup
    */
   private function loadPreprocessorCaches(array $engines, array $objects) {
     $blocks = array();
 
     $use_cache = array();
     foreach ($objects as $key => $info) {
       if ($info['object']->shouldUseMarkupCache($info['field'])) {
         $use_cache[$key] = true;
       }
     }
 
     if ($use_cache) {
       try {
         $blocks = id(new PhabricatorMarkupCache())->loadAllWhere(
           'cacheKey IN (%Ls)',
           array_keys($use_cache));
         $blocks = mpull($blocks, null, 'getCacheKey');
       } catch (Exception $ex) {
         phlog($ex);
       }
     }
 
     $is_readonly = PhabricatorEnv::isReadOnly();
 
     foreach ($objects as $key => $info) {
       // False check in case MySQL doesn't support unicode characters
       // in the string (T1191), resulting in unserialize returning false.
       if (isset($blocks[$key]) && $blocks[$key]->getCacheData() !== false) {
         // If we already have a preprocessing cache, we don't need to rebuild
         // it.
         continue;
       }
 
       $text = $info['object']->getMarkupText($info['field']);
       $data = $engines[$key]->preprocessText($text);
 
       // NOTE: This is just debugging information to help sort out cache issues.
       // If one machine is misconfigured and poisoning caches you can use this
       // field to hunt it down.
 
       $metadata = array(
         'host' => php_uname('n'),
       );
 
       $blocks[$key] = id(new PhabricatorMarkupCache())
         ->setCacheKey($key)
         ->setCacheData($data)
         ->setMetadata($metadata);
 
       if (isset($use_cache[$key]) && !$is_readonly) {
         // This is just filling a cache and always safe, even on a read pathway.
         $unguarded = AphrontWriteGuard::beginScopedUnguardedWrites();
           $blocks[$key]->replace();
         unset($unguarded);
       }
     }
 
     return $blocks;
   }
 
 
   /**
    * Set the viewing user. Used to implement object permissions.
    *
    * @param PhabricatorUser The viewing user.
    * @return this
    * @task markup
    */
   public function setViewer(PhabricatorUser $viewer) {
     $this->viewer = $viewer;
     return $this;
   }
 
   /**
    * Set the context object. Used to implement object permissions.
    *
    * @param The object in which context this remarkup is used.
    * @return this
    * @task markup
    */
   public function setContextObject($object) {
     $this->contextObject = $object;
     return $this;
   }
 
   public function setAuxiliaryConfig($key, $value) {
     // TODO: This is gross and should be removed. Avoid use.
     $this->auxiliaryConfig[$key] = $value;
     return $this;
   }
 
 
 /* -(  Engine Construction  )------------------------------------------------ */
 
 
 
   /**
    * @task engine
    */
   public static function newManiphestMarkupEngine() {
     return self::newMarkupEngine(array(
     ));
   }
 
 
   /**
    * @task engine
    */
   public static function newPhrictionMarkupEngine() {
     return self::newMarkupEngine(array(
       'header.generate-toc' => true,
     ));
   }
 
 
   /**
    * @task engine
    */
   public static function newPhameMarkupEngine() {
-    return self::newMarkupEngine(array(
-      'macros' => false,
-      'uri.full' => true,
-    ));
+    return self::newMarkupEngine(
+      array(
+        'macros' => false,
+        'uri.full' => true,
+        'uri.same-window' => true,
+        'uri.base' => PhabricatorEnv::getURI('/'),
+      ));
   }
 
 
   /**
    * @task engine
    */
   public static function newFeedMarkupEngine() {
     return self::newMarkupEngine(
       array(
         'macros'      => false,
         'youtube'     => false,
       ));
   }
 
   /**
    * @task engine
    */
   public static function newCalendarMarkupEngine() {
     return self::newMarkupEngine(array(
     ));
   }
 
 
   /**
    * @task engine
    */
   public static function newDifferentialMarkupEngine(array $options = array()) {
     return self::newMarkupEngine(array(
       'differential.diff' => idx($options, 'differential.diff'),
     ));
   }
 
 
   /**
    * @task engine
    */
   public static function newDiffusionMarkupEngine(array $options = array()) {
     return self::newMarkupEngine(array(
       'header.generate-toc' => true,
     ));
   }
 
   /**
    * @task engine
    */
   public static function getEngine($ruleset = 'default') {
     static $engines = array();
     if (isset($engines[$ruleset])) {
       return $engines[$ruleset];
     }
 
     $engine = null;
     switch ($ruleset) {
       case 'default':
         $engine = self::newMarkupEngine(array());
         break;
       case 'nolinebreaks':
         $engine = self::newMarkupEngine(array());
         $engine->setConfig('preserve-linebreaks', false);
         break;
       case 'diffusion-readme':
         $engine = self::newMarkupEngine(array());
         $engine->setConfig('preserve-linebreaks', false);
         $engine->setConfig('header.generate-toc', true);
         break;
       case 'diviner':
         $engine = self::newMarkupEngine(array());
         $engine->setConfig('preserve-linebreaks', false);
   //    $engine->setConfig('diviner.renderer', new DivinerDefaultRenderer());
         $engine->setConfig('header.generate-toc', true);
         break;
       case 'extract':
         // Engine used for reference/edge extraction. Turn off anything which
         // is slow and doesn't change reference extraction.
         $engine = self::newMarkupEngine(array());
         $engine->setConfig('pygments.enabled', false);
         break;
       default:
         throw new Exception(pht('Unknown engine ruleset: %s!', $ruleset));
     }
 
     $engines[$ruleset] = $engine;
     return $engine;
   }
 
   /**
    * @task engine
    */
   private static function getMarkupEngineDefaultConfiguration() {
     return array(
       'pygments'      => PhabricatorEnv::getEnvConfig('pygments.enabled'),
       'youtube'       => PhabricatorEnv::getEnvConfig(
         'remarkup.enable-embedded-youtube'),
       'differential.diff' => null,
       'header.generate-toc' => false,
       'macros'        => true,
       'uri.allowed-protocols' => PhabricatorEnv::getEnvConfig(
         'uri.allowed-protocols'),
       'uri.full' => false,
       'syntax-highlighter.engine' => PhabricatorEnv::getEnvConfig(
         'syntax-highlighter.engine'),
       'preserve-linebreaks' => true,
     );
   }
 
 
   /**
    * @task engine
    */
   public static function newMarkupEngine(array $options) {
     $options += self::getMarkupEngineDefaultConfiguration();
 
     $engine = new PhutilRemarkupEngine();
 
     $engine->setConfig('preserve-linebreaks', $options['preserve-linebreaks']);
 
     $engine->setConfig('pygments.enabled', $options['pygments']);
     $engine->setConfig(
       'uri.allowed-protocols',
       $options['uri.allowed-protocols']);
     $engine->setConfig('differential.diff', $options['differential.diff']);
     $engine->setConfig('header.generate-toc', $options['header.generate-toc']);
     $engine->setConfig(
       'syntax-highlighter.engine',
       $options['syntax-highlighter.engine']);
 
     $style_map = id(new PhabricatorDefaultSyntaxStyle())
       ->getRemarkupStyleMap();
     $engine->setConfig('phutil.codeblock.style-map', $style_map);
 
     $engine->setConfig('uri.full', $options['uri.full']);
 
+    if (isset($options['uri.base'])) {
+      $engine->setConfig('uri.base', $options['uri.base']);
+    }
+
+    if (isset($options['uri.same-window'])) {
+      $engine->setConfig('uri.same-window', $options['uri.same-window']);
+    }
+
     $rules = array();
     $rules[] = new PhutilRemarkupEscapeRemarkupRule();
     $rules[] = new PhutilRemarkupMonospaceRule();
 
 
     $rules[] = new PhutilRemarkupDocumentLinkRule();
     $rules[] = new PhabricatorNavigationRemarkupRule();
 
     if ($options['youtube']) {
       $rules[] = new PhabricatorYoutubeRemarkupRule();
     }
 
     $rules[] = new PhabricatorIconRemarkupRule();
     $rules[] = new PhabricatorEmojiRemarkupRule();
     $rules[] = new PhabricatorHandleRemarkupRule();
 
     $applications = PhabricatorApplication::getAllInstalledApplications();
     foreach ($applications as $application) {
       foreach ($application->getRemarkupRules() as $rule) {
         $rules[] = $rule;
       }
     }
 
     $rules[] = new PhutilRemarkupHyperlinkRule();
 
     if ($options['macros']) {
       $rules[] = new PhabricatorImageMacroRemarkupRule();
       $rules[] = new PhabricatorMemeRemarkupRule();
     }
 
     $rules[] = new PhutilRemarkupBoldRule();
     $rules[] = new PhutilRemarkupItalicRule();
     $rules[] = new PhutilRemarkupDelRule();
     $rules[] = new PhutilRemarkupUnderlineRule();
     $rules[] = new PhutilRemarkupHighlightRule();
 
     foreach (self::loadCustomInlineRules() as $rule) {
       $rules[] = clone $rule;
     }
 
     $blocks = array();
     $blocks[] = new PhutilRemarkupQuotesBlockRule();
     $blocks[] = new PhutilRemarkupReplyBlockRule();
     $blocks[] = new PhutilRemarkupLiteralBlockRule();
     $blocks[] = new PhutilRemarkupHeaderBlockRule();
     $blocks[] = new PhutilRemarkupHorizontalRuleBlockRule();
     $blocks[] = new PhutilRemarkupListBlockRule();
     $blocks[] = new PhutilRemarkupCodeBlockRule();
     $blocks[] = new PhutilRemarkupNoteBlockRule();
     $blocks[] = new PhutilRemarkupTableBlockRule();
     $blocks[] = new PhutilRemarkupSimpleTableBlockRule();
     $blocks[] = new PhutilRemarkupInterpreterBlockRule();
     $blocks[] = new PhutilRemarkupDefaultBlockRule();
 
     foreach (self::loadCustomBlockRules() as $rule) {
       $blocks[] = $rule;
     }
 
     foreach ($blocks as $block) {
       $block->setMarkupRules($rules);
     }
 
     $engine->setBlockRules($blocks);
 
     return $engine;
   }
 
   public static function extractPHIDsFromMentions(
     PhabricatorUser $viewer,
     array $content_blocks) {
 
     $mentions = array();
 
     $engine = self::newDifferentialMarkupEngine();
     $engine->setConfig('viewer', $viewer);
 
     foreach ($content_blocks as $content_block) {
       $engine->markupText($content_block);
       $phids = $engine->getTextMetadata(
         PhabricatorMentionRemarkupRule::KEY_MENTIONED,
         array());
       $mentions += $phids;
     }
 
     return $mentions;
   }
 
   public static function extractFilePHIDsFromEmbeddedFiles(
     PhabricatorUser $viewer,
     array $content_blocks) {
     $files = array();
 
     $engine = self::newDifferentialMarkupEngine();
     $engine->setConfig('viewer', $viewer);
 
     foreach ($content_blocks as $content_block) {
       $engine->markupText($content_block);
       $phids = $engine->getTextMetadata(
         PhabricatorEmbedFileRemarkupRule::KEY_EMBED_FILE_PHIDS,
         array());
       foreach ($phids as $phid) {
         $files[$phid] = $phid;
       }
     }
 
     return array_values($files);
   }
 
   /**
    * Produce a corpus summary, in a way that shortens the underlying text
    * without truncating it somewhere awkward.
    *
    * TODO: We could do a better job of this.
    *
    * @param string  Remarkup corpus to summarize.
    * @return string Summarized corpus.
    */
   public static function summarize($corpus) {
 
     // Major goals here are:
     //  - Don't split in the middle of a character (utf-8).
     //  - Don't split in the middle of, e.g., **bold** text, since
     //    we end up with hanging '**' in the summary.
     //  - Try not to pick an image macro, header, embedded file, etc.
     //  - Hopefully don't return too much text. We don't explicitly limit
     //    this right now.
 
     $blocks = preg_split("/\n *\n\s*/", $corpus);
 
     $best = null;
     foreach ($blocks as $block) {
       // This is a test for normal spaces in the block, i.e. a heuristic to
       // distinguish standard paragraphs from things like image macros. It may
       // not work well for non-latin text. We prefer to summarize with a
       // paragraph of normal words over an image macro, if possible.
       $has_space = preg_match('/\w\s\w/', $block);
 
       // This is a test to find embedded images and headers. We prefer to
       // summarize with a normal paragraph over a header or an embedded object,
       // if possible.
       $has_embed = preg_match('/^[{=]/', $block);
 
       if ($has_space && !$has_embed) {
         // This seems like a good summary, so return it.
         return $block;
       }
 
       if (!$best) {
         // This is the first block we found; if everything is garbage just
         // use the first block.
         $best = $block;
       }
     }
 
     return $best;
   }
 
   private static function loadCustomInlineRules() {
     return id(new PhutilClassMapQuery())
       ->setAncestorClass('PhabricatorRemarkupCustomInlineRule')
       ->execute();
   }
 
   private static function loadCustomBlockRules() {
     return id(new PhutilClassMapQuery())
       ->setAncestorClass('PhabricatorRemarkupCustomBlockRule')
       ->execute();
   }
 
 }
diff --git a/src/infrastructure/markup/view/PHUIRemarkupView.php b/src/infrastructure/markup/view/PHUIRemarkupView.php
index e30c09ce7c..e5772e9d84 100644
--- a/src/infrastructure/markup/view/PHUIRemarkupView.php
+++ b/src/infrastructure/markup/view/PHUIRemarkupView.php
@@ -1,96 +1,96 @@
 <?php
 
 /**
  * Simple API for rendering blocks of Remarkup.
  *
  * Example usage:
  *
  *   $fancy_text = new PHUIRemarkupView($viewer, $raw_remarkup);
  *   $view->appendChild($fancy_text);
  *
  */
 final class PHUIRemarkupView extends AphrontView {
 
   private $corpus;
   private $contextObject;
   private $options;
 
   // TODO: In the long run, rules themselves should define available options.
   // For now, just define constants here so we can more easily replace things
   // later once this is cleaned up.
   const OPTION_PRESERVE_LINEBREAKS = 'preserve-linebreaks';
 
   public function __construct(PhabricatorUser $viewer, $corpus) {
     $this->setUser($viewer);
     $this->corpus = $corpus;
   }
 
   public function setContextObject($context_object) {
     $this->contextObject = $context_object;
     return $this;
   }
 
   public function getContextObject() {
     return $this->contextObject;
   }
 
   public function setRemarkupOption($key, $value) {
     $this->options[$key] = $value;
     return $this;
   }
 
   public function setRemarkupOptions(array $options) {
     foreach ($options as $key => $value) {
       $this->setRemarkupOption($key, $value);
     }
     return $this;
   }
 
   public function render() {
     $viewer = $this->getViewer();
     $corpus = $this->corpus;
     $context = $this->getContextObject();
 
     $options = $this->options;
 
     $oneoff = id(new PhabricatorMarkupOneOff())
       ->setContent($corpus);
 
     if ($options) {
       $oneoff->setEngine($this->getEngine());
     } else {
       $oneoff->setPreserveLinebreaks(true);
     }
 
     $content = PhabricatorMarkupEngine::renderOneObject(
       $oneoff,
       'default',
       $viewer,
       $context);
 
     return $content;
   }
 
   private function getEngine() {
     $options = $this->options;
     $viewer = $this->getViewer();
 
     $viewer_key = $viewer->getCacheFragment();
 
     ksort($options);
     $engine_key = serialize($options);
     $engine_key = PhabricatorHash::digestForIndex($engine_key);
 
     $cache = PhabricatorCaches::getRequestCache();
-    $cache_key = "remarkup.engine({$viewer}, {$engine_key})";
+    $cache_key = "remarkup.engine({$viewer_key}, {$engine_key})";
 
     $engine = $cache->getKey($cache_key);
     if (!$engine) {
       $engine = PhabricatorMarkupEngine::newMarkupEngine($options);
       $cache->setKey($cache_key, $engine);
     }
 
     return $engine;
   }
 
 }