diff --git a/src/applications/differential/render/DifferentialChangesetOneUpRenderer.php b/src/applications/differential/render/DifferentialChangesetOneUpRenderer.php
--- a/src/applications/differential/render/DifferentialChangesetOneUpRenderer.php
+++ b/src/applications/differential/render/DifferentialChangesetOneUpRenderer.php
@@ -83,7 +83,9 @@
           $cells = array();
           if ($is_old) {
             if ($p['htype']) {
-              if (empty($p['oline'])) {
+              if ($p['htype'] === '\\') {
+                $class = 'comment';
+              } else if (empty($p['oline'])) {
                 $class = 'left old old-full';
               } else {
                 $class = 'left old';
@@ -129,7 +131,9 @@
             $cells[] = $no_coverage;
           } else {
             if ($p['htype']) {
-              if (empty($p['oline'])) {
+              if ($p['htype'] === '\\') {
+                $class = 'comment';
+              } else if (empty($p['oline'])) {
                 $class = 'right new new-full';
               } else {
                 $class = 'right new';
diff --git a/src/applications/differential/render/DifferentialChangesetRenderer.php b/src/applications/differential/render/DifferentialChangesetRenderer.php
--- a/src/applications/differential/render/DifferentialChangesetRenderer.php
+++ b/src/applications/differential/render/DifferentialChangesetRenderer.php
@@ -505,6 +505,8 @@
         $ospec['htype'] = $old[$ii]['type'];
         if (isset($old_render[$ii])) {
           $ospec['render'] = $old_render[$ii];
+        } else if ($ospec['htype'] === '\\') {
+          $ospec['render'] = $old[$ii]['text'];
         }
       }
 
@@ -514,6 +516,8 @@
         $nspec['htype'] = $new[$ii]['type'];
         if (isset($new_render[$ii])) {
           $nspec['render'] = $new_render[$ii];
+        } else if ($nspec['htype'] === '\\') {
+          $nspec['render'] = $new[$ii]['text'];
         }
       }