diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -13,7 +13,7 @@
     'core.pkg.js' => '1e667bcb',
     'dark-console.pkg.js' => '187792c2',
     'differential.pkg.css' => '2d70b7b9',
-    'differential.pkg.js' => '22ec6f26',
+    'differential.pkg.js' => 'faa6e8ab',
     'diffusion.pkg.css' => '42c75c37',
     'diffusion.pkg.js' => 'a98c0bf7',
     'maniphest.pkg.css' => '35995d6d',
@@ -433,7 +433,7 @@
     'rsrc/js/application/releeph/releeph-preview-branch.js' => '75184d68',
     'rsrc/js/application/releeph/releeph-request-state-change.js' => '9f081f05',
     'rsrc/js/application/releeph/releeph-request-typeahead.js' => 'aa3a100c',
-    'rsrc/js/application/repository/repository-crossreference.js' => '1c95ea63',
+    'rsrc/js/application/repository/repository-crossreference.js' => '6337cf26',
     'rsrc/js/application/search/behavior-reorder-profile-menu-items.js' => 'e5bdb730',
     'rsrc/js/application/search/behavior-reorder-queries.js' => 'b86f297f',
     'rsrc/js/application/transactions/behavior-comment-actions.js' => '4dffaeb2',
@@ -685,7 +685,7 @@
     'javelin-behavior-reorder-applications' => 'aa371860',
     'javelin-behavior-reorder-columns' => '8ac32fd9',
     'javelin-behavior-reorder-profile-menu-items' => 'e5bdb730',
-    'javelin-behavior-repository-crossreference' => '1c95ea63',
+    'javelin-behavior-repository-crossreference' => '6337cf26',
     'javelin-behavior-scrollbar' => '92388bae',
     'javelin-behavior-search-reorder-queries' => 'b86f297f',
     'javelin-behavior-select-content' => 'e8240b50',
@@ -1049,12 +1049,6 @@
       'javelin-install',
       'javelin-util',
     ),
-    '1c95ea63' => array(
-      'javelin-behavior',
-      'javelin-dom',
-      'javelin-stratcom',
-      'javelin-uri',
-    ),
     '1cab0e9a' => array(
       'javelin-behavior',
       'javelin-dom',
@@ -1501,6 +1495,12 @@
     '60cd9241' => array(
       'javelin-behavior',
     ),
+    '6337cf26' => array(
+      'javelin-behavior',
+      'javelin-dom',
+      'javelin-stratcom',
+      'javelin-uri',
+    ),
     '65bb0011' => array(
       'javelin-behavior',
       'javelin-dom',
diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -3593,6 +3593,7 @@
     'PhabricatorInfrastructureTestCase' => '__tests__/PhabricatorInfrastructureTestCase.php',
     'PhabricatorInlineComment' => 'infrastructure/diff/interface/PhabricatorInlineComment.php',
     'PhabricatorInlineCommentController' => 'infrastructure/diff/PhabricatorInlineCommentController.php',
+    'PhabricatorInlineCommentInterface' => 'applications/transactions/interface/PhabricatorInlineCommentInterface.php',
     'PhabricatorInlineSummaryView' => 'infrastructure/diff/view/PhabricatorInlineSummaryView.php',
     'PhabricatorInstructionsEditField' => 'applications/transactions/editfield/PhabricatorInstructionsEditField.php',
     'PhabricatorIntConfigType' => 'applications/config/type/PhabricatorIntConfigType.php',
@@ -6789,7 +6790,10 @@
     'DifferentialTestPlanField' => 'DifferentialCoreCustomField',
     'DifferentialTitleCommitMessageField' => 'DifferentialCommitMessageField',
     'DifferentialTransaction' => 'PhabricatorModularTransaction',
-    'DifferentialTransactionComment' => 'PhabricatorApplicationTransactionComment',
+    'DifferentialTransactionComment' => array(
+      'PhabricatorApplicationTransactionComment',
+      'PhabricatorInlineCommentInterface',
+    ),
     'DifferentialTransactionEditor' => 'PhabricatorApplicationTransactionEditor',
     'DifferentialTransactionQuery' => 'PhabricatorApplicationTransactionQuery',
     'DifferentialTransactionView' => 'PhabricatorApplicationTransactionView',
@@ -8599,7 +8603,10 @@
     'PhabricatorAuditStatusConstants' => 'Phobject',
     'PhabricatorAuditSynchronizeManagementWorkflow' => 'PhabricatorAuditManagementWorkflow',
     'PhabricatorAuditTransaction' => 'PhabricatorModularTransaction',
-    'PhabricatorAuditTransactionComment' => 'PhabricatorApplicationTransactionComment',
+    'PhabricatorAuditTransactionComment' => array(
+      'PhabricatorApplicationTransactionComment',
+      'PhabricatorInlineCommentInterface',
+    ),
     'PhabricatorAuditTransactionQuery' => 'PhabricatorApplicationTransactionQuery',
     'PhabricatorAuditTransactionView' => 'PhabricatorApplicationTransactionView',
     'PhabricatorAuditUpdateOwnersManagementWorkflow' => 'PhabricatorAuditManagementWorkflow',
diff --git a/src/applications/audit/storage/PhabricatorAuditTransactionComment.php b/src/applications/audit/storage/PhabricatorAuditTransactionComment.php
--- a/src/applications/audit/storage/PhabricatorAuditTransactionComment.php
+++ b/src/applications/audit/storage/PhabricatorAuditTransactionComment.php
@@ -1,7 +1,9 @@
 <?php
 
 final class PhabricatorAuditTransactionComment
-  extends PhabricatorApplicationTransactionComment {
+  extends PhabricatorApplicationTransactionComment
+  implements
+    PhabricatorInlineCommentInterface {
 
   protected $commitPHID;
   protected $pathID;
@@ -85,4 +87,8 @@
     return !strlen($this->getContent());
   }
 
+  public function newInlineCommentObject() {
+    return PhabricatorAuditInlineComment::newFromModernComment($this);
+  }
+
 }
diff --git a/src/applications/differential/storage/DifferentialTransactionComment.php b/src/applications/differential/storage/DifferentialTransactionComment.php
--- a/src/applications/differential/storage/DifferentialTransactionComment.php
+++ b/src/applications/differential/storage/DifferentialTransactionComment.php
@@ -1,7 +1,9 @@
 <?php
 
 final class DifferentialTransactionComment
-  extends PhabricatorApplicationTransactionComment {
+  extends PhabricatorApplicationTransactionComment
+  implements
+    PhabricatorInlineCommentInterface {
 
   protected $revisionPHID;
   protected $changesetID;
@@ -131,4 +133,8 @@
     return !strlen($this->getContent());
   }
 
+  public function newInlineCommentObject() {
+    return DifferentialInlineComment::newFromModernComment($this);
+  }
+
 }
diff --git a/src/applications/transactions/interface/PhabricatorInlineCommentInterface.php b/src/applications/transactions/interface/PhabricatorInlineCommentInterface.php
new file mode 100644
--- /dev/null
+++ b/src/applications/transactions/interface/PhabricatorInlineCommentInterface.php
@@ -0,0 +1,7 @@
+<?php
+
+interface PhabricatorInlineCommentInterface {
+
+  public function newInlineCommentObject();
+
+}
diff --git a/src/infrastructure/diff/view/PHUIDiffInlineCommentPreviewListView.php b/src/infrastructure/diff/view/PHUIDiffInlineCommentPreviewListView.php
--- a/src/infrastructure/diff/view/PHUIDiffInlineCommentPreviewListView.php
+++ b/src/infrastructure/diff/view/PHUIDiffInlineCommentPreviewListView.php
@@ -38,15 +38,7 @@
 
     $inlines = $this->getInlineComments();
     foreach ($inlines as $key => $inline) {
-      // TODO: This is real, real gross.
-
-      if ($inline instanceof DifferentialTransactionComment) {
-        $inlines[$key] = DifferentialInlineComment::newFromModernComment(
-          $inline);
-      } else {
-        $inlines[$key] = PhabricatorAuditInlineComment::newFromModernComment(
-          $inline);
-      }
+      $inlines[$key] = $inline->newInlineCommentObject();
     }
 
     $engine = new PhabricatorMarkupEngine();
diff --git a/webroot/rsrc/js/application/repository/repository-crossreference.js b/webroot/rsrc/js/application/repository/repository-crossreference.js
--- a/webroot/rsrc/js/application/repository/repository-crossreference.js
+++ b/webroot/rsrc/js/application/repository/repository-crossreference.js
@@ -219,7 +219,7 @@
   }
 
   function getPath(target) {
-    // This method works in Differential, when browsing a changset.
+    // This method works in Differential, when browsing a changeset.
     var changeset;
     try {
       changeset = JX.DOM.findAbove(target, 'div', 'differential-changeset');