Support empty/self-closing XML elements

diff --git a/wcfsetup/install/files/lib/util/XMLWriter.class.php b/wcfsetup/install/files/lib/util/XMLWriter.class.php
index 0b1ef9189448f96ede04e0a94aed97dedbc683a7..77eba26235efc913d09b5beb9a6427ff84d5b45a 100644 (file)
--- a/wcfsetup/install/files/lib/util/XMLWriter.class.php
+++ b/wcfsetup/install/files/lib/util/XMLWriter.class.php
@@ -129,7 +129,7 @@ class XMLWriter {
                }
                
                // content
-               $this->xml->writeCdata(StringUtil::escapeCDATA($cdata));
+               if ($cdata !== '') $this->xml->writeCdata(StringUtil::escapeCDATA($cdata));
                
                $this->endElement();
        }