#15970: xml.etree.ElementTree now serializes correctly the empty HTML elements "meta" and "param".
diff --git a/Lib/xml/etree/ElementTree.py b/Lib/xml/etree/ElementTree.py
index 2b0cf0c..d8ec67a 100644
--- a/Lib/xml/etree/ElementTree.py
+++ b/Lib/xml/etree/ElementTree.py
@@ -945,7 +945,7 @@
write(_escape_cdata(elem.tail, encoding))
HTML_EMPTY = ("area", "base", "basefont", "br", "col", "frame", "hr",
- "img", "input", "isindex", "link", "meta" "param")
+ "img", "input", "isindex", "link", "meta", "param")
try:
HTML_EMPTY = set(HTML_EMPTY)