def test_issue2728(en_vocab):
    """Test that displaCy ENT visualizer escapes HTML correctly."""
    doc = Doc(en_vocab, words=["test", "<RELEASE>", "test"])
    doc.ents = [Span(doc, 0, 1, label="TEST")]
    html = displacy.render(doc, style="ent")
    assert "&lt;RELEASE&gt;" in html
    doc.ents = [Span(doc, 1, 2, label="TEST")]
    html = displacy.render(doc, style="ent")
    assert "&lt;RELEASE&gt;" in html
Test that displaCy ENT visualizer escapes HTML correctly.
spacy/tests/test_displacy.py