synopsis is now added to each page automatically. If the page is a container whose children call prepareView, their synopses are added as well

docs/changelog/7.x.x.txt

@@ -42,6 +42,7 @@
  - fixed #8822: Password Recovery Tempalte not working
  - fixed: WebGUI::User now actually checks whether the friends group exists
    (Martin Kamerbeek / Oqapi)
+ - fixed #9039: Synopsis not output as a meta field
 
 7.6.3
  - improved performance of file uploads

lib/WebGUI/Asset.pm

@@ -1955,6 +1955,12 @@ sub prepareView {
             name    => 'keywords',
             content => join(',', @keywords),
             }); 
+    }
+    if ($self->get('synopsis')) {
+        $style->setMeta({
+                name    => 'Description',
+                content => $self->get('synopsis'),
+        });
     }
 	$style->setRawHeadTags($self->getExtraHeadTags);
 }