Consolidate logic

markdown/extensions/md_in_html.py

@@ -112,7 +112,10 @@ def handle_starttag(self, tag, attrs):
             self.handle_empty_tag(data, True)
             return
 
-        if tag in self.block_level_tags and (self.at_line_start() or self.intail):
+        if (
+            tag in self.block_level_tags and
+            (self.at_line_start() or self.intail or self.mdstarted and self.mdstarted[-1])
+        ):
             # Valueless attribute (ex: `<tag checked>`) results in `[('checked', None)]`.
             # Convert to `{'checked': 'checked'}`.
             attrs = {key: value if value is not None else key for key, value in attrs}
@@ -131,20 +134,6 @@ def handle_starttag(self, tag, attrs):
                 attrs['markdown'] = state
                 self.treebuilder.start(tag, attrs)
 
-        elif not self.inraw and tag in self.block_level_tags and self.mdstarted and self.mdstarted[-1]:
-            # Nested one-liner block tags `<tag><tag>...`
-            attrs = {key: value if value is not None else key for key, value in attrs}
-            state = self.get_state(tag, attrs)
-            if 'p' in self.mdstack and tag in self.block_level_tags:
-                # Close unclosed 'p' tag
-                self.handle_endtag('p')
-            self.mdstate.append(state)
-            self.mdstack.append(tag)
-            self.mdstarted.append(True)
-            attrs['markdown'] = state
-            self.treebuilder.start(tag, attrs)
-            return
-
         else:
             # Span level tag
             if self.inraw: