Do not treat <> as raw HTML when @ character appears before space character. Ref: #1165

Author: nzlosh

markdown/inlinepatterns.py

@@ -163,7 +163,7 @@ def build_inlinepatterns(md, **kwargs):
 AUTOMAIL_RE = r'<([^<> !]+@[^@<> ]+)>'
 
 # <...>
-HTML_RE = r'(<([a-zA-Z/][^<>]*|!--(?:(?!<!--|-->).)*--)>)'
+HTML_RE = r'(<(\/?[a-zA-Z][^<>@ ]*( [^<>]*)?|!--(?:(?!<!--|-->).)*--)>)'
 
 # "&#38;" (decimal) or "&#x26;" (hex) or "&amp;" (named)
 ENTITY_RE = r'(&(?:\#[0-9]+|\#x[0-9a-fA-F]+|[a-zA-Z0-9]+);)'

tests/test_syntax/inline/test_autolinks.py

@@ -51,5 +51,5 @@ def test_invalid_email_address_local_part(self):
  def test_invalid_email_address_domain(self):
  self.assertMarkdownRenders(
  """Missing domain <local-part@>""",
- """<p>Missing domain <local-part@></p>"""
+ """<p>Missing domain &lt;local-part@&gt;</p>"""
  )