diff --git a/webroot/rsrc/js/application/transactions/behavior-comment-actions.js b/webroot/rsrc/js/application/transactions/behavior-comment-actions.js
index be28e0bdad..87cb80c74a 100644
--- a/webroot/rsrc/js/application/transactions/behavior-comment-actions.js
+++ b/webroot/rsrc/js/application/transactions/behavior-comment-actions.js
@@ -1,202 +1,199 @@
 /**
  * @provides javelin-behavior-comment-actions
  * @requires javelin-behavior
  *           javelin-stratcom
  *           javelin-workflow
  *           javelin-dom
  *           phuix-form-control-view
  *           phuix-icon-view
  *           javelin-behavior-phabricator-gesture
  */
 
 JX.behavior('comment-actions', function(config) {
   var action_map = config.actions;
 
   var action_node = JX.$(config.actionID);
   var form_node = JX.$(config.formID);
   var input_node = JX.$(config.inputID);
   var place_node = JX.$(config.placeID);
 
   var rows = {};
 
   JX.DOM.listen(action_node, 'change', null, function() {
     var option = find_option(action_node.value);
 
     action_node.value = '+';
 
     if (option) {
       add_row(option);
     }
   });
 
   function find_option(key) {
     var options = action_node.options;
     var option;
 
     for (var ii = 0; ii < options.length; ii++) {
       option = options[ii];
       if (option.value == key) {
         return option;
       }
     }
 
     return null;
   }
 
   function add_row(option) {
     var action = action_map[option.value];
     if (!action) {
       return;
     }
 
     option.disabled = true;
 
     var icon = new JX.PHUIXIconView()
       .setIcon('fa-times-circle');
     var remove = JX.$N('a', {href: '#'}, icon.getNode());
 
     var control = new JX.PHUIXFormControl()
       .setLabel(action.label)
       .setError(remove)
       .setControl(action.type, action.spec);
     var node = control.getNode();
 
     JX.Stratcom.addSigil(node, 'touchable');
 
     var remove_action = function() {
       JX.DOM.remove(node);
       delete rows[action.key];
       option.disabled = false;
     };
 
     JX.DOM.listen(node, 'gesture.swipe.end', null, function(e) {
       var data = e.getData();
 
       if (data.direction != 'left') {
         // Didn't swipe left.
         return;
       }
 
       if (data.length <= (JX.Vector.getDim(node).x / 2)) {
         // Didn't swipe far enough.
         return;
       }
 
       remove_action();
     });
 
     rows[action.key] = control;
 
     JX.DOM.listen(remove, 'click', null, function(e) {
       e.kill();
       remove_action();
     });
 
     place_node.parentNode.insertBefore(node, place_node);
 
     return control;
   }
 
   function serialize_actions() {
     var data = [];
 
     for (var k in rows) {
       data.push({
         type: k,
         value: rows[k].getValue(),
         initialValue: action_map[k].initialValue || null
       });
     }
 
     return JX.JSON.stringify(data);
   }
 
   function get_data() {
     var data = JX.DOM.convertFormToDictionary(form_node);
 
     data.__preview__ = 1;
     data[input_node.name] = serialize_actions();
 
     return data;
   }
 
   function restore_draft_actions(drafts) {
     var draft;
     var option;
     var control;
 
     for (var ii = 0; ii < drafts.length; ii++) {
       draft = drafts[ii];
 
       option = find_option(draft);
       if (!option) {
         continue;
       }
 
       control = add_row(option);
     }
   }
 
   function onresponse(response) {
     if (JX.Device.getDevice() != 'desktop') {
       return;
     }
 
     var panel = JX.$(config.panelID);
     if (!response.xactions.length) {
       JX.DOM.hide(panel);
     } else {
       JX.DOM.setContent(
         JX.$(config.timelineID),
-        [
-          JX.$H(response.spacer),
-          JX.$H(response.xactions.join(response.spacer))
-        ]);
+        JX.$H(response.xactions.join('')));
       JX.DOM.show(panel);
     }
   }
 
   JX.DOM.listen(form_node, ['submit', 'didSyntheticSubmit'], null, function() {
     input_node.value = serialize_actions();
   });
 
   if (config.showPreview) {
     var request = new JX.PhabricatorShapedRequest(
       config.actionURI,
       onresponse,
       get_data);
 
     var trigger = JX.bind(request, request.trigger);
 
     JX.DOM.listen(form_node, 'keydown', null, trigger);
 
     var always_trigger = function() {
       new JX.Request(config.actionURI, onresponse)
         .setData(get_data())
         .send();
     };
 
     JX.DOM.listen(form_node, 'shouldRefresh', null, always_trigger);
     request.start();
 
     var ondevicechange = function() {
       var panel = JX.$(config.panelID);
       if (JX.Device.getDevice() == 'desktop') {
         request.setRateLimit(500);
         always_trigger();
       } else {
         // On mobile, don't show live previews and only save drafts every
         // 10 seconds.
         request.setRateLimit(10000);
         JX.DOM.hide(panel);
       }
     };
 
     ondevicechange();
 
     JX.Stratcom.listen('phabricator-device-change', null, ondevicechange);
   }
 
   restore_draft_actions(config.drafts || []);
 
 });