#20288: fix handling of invalid numeric charrefs in HTMLParser.
diff --git a/Lib/test/test_htmlparser.py b/Lib/test/test_htmlparser.py
index 6a0e461..cde2bd2 100644
--- a/Lib/test/test_htmlparser.py
+++ b/Lib/test/test_htmlparser.py
@@ -394,6 +394,12 @@
("data", "&#bad;"),
("endtag", "p"),
])
+ # add the [] as a workaround to avoid buffering (see #20288)
+ self._run_check(["<div>&#bad;</div>"], [
+ ("starttag", "div", []),
+ ("data", "&#bad;"),
+ ("endtag", "div"),
+ ])
def test_unescape_function(self):
parser = HTMLParser.HTMLParser()