Handle HTML in multi-line inline code

Author: facelessuser

markdown/extensions/md_in_html.py

@@ -253,13 +253,12 @@ def handle_empty_tag(self, data, is_block):
         if self.inraw or not self.mdstack:
             super().handle_empty_tag(data, is_block)
         else:
-            if self.at_line_start() or self.intail:
-                if is_block:
-                    self.handle_data('\n' + self.md.htmlStash.store(data) + '\n\n')
-                else:
-                    self.handle_data(self.md.htmlStash.store(data))
+            if self.at_line_start() and is_block:
+                self.handle_data('\n' + self.md.htmlStash.store(data) + '\n\n')
+            elif self.mdstate and self.mdstate[-1] == "off":
+                self.handle_data(self.md.htmlStash.store(data))
             else:
-                self.treebuilder.data(data)
+                self.handle_data(data)
 
     def parse_pi(self, i: int) -> int:
         if self.at_line_start() or self.intail or self.mdstack:

tests/test_syntax/extensions/test_md_in_html.py

@@ -1214,26 +1214,67 @@ def test_md1_code_void_tag(self):
                 """
                 <div class="outer" markdown="1">
 
-                Code: `<label></input></label>`
+                Code: `<label><input/></label>`
 
                 </div>
 
                 <div class="outer" markdown="1">
 
-                HTML: <label></input></label>
+                HTML: <label><input/></label>
 
                 </div>
                 """
             ),
             '<div class="outer">\n'
-            '<p>Code: <code>&lt;label&gt;&lt;/input&gt;&lt;/label&gt;</code></p>\n'
+            '<p>Code: <code>&lt;label&gt;&lt;input/&gt;&lt;/label&gt;</code></p>\n'
             '</div>\n'
             '<div class="outer">\n'
-            '<p>HTML: <label></input></label></p>\n'
+            '<p>HTML: <label><input/></label></p>\n'
             '</div>',
             extensions=['md_in_html']
         )
 
+    def test_md1_code_void_tag_multiline(self):
+
+        # https://github.com/Python-Markdown/markdown/issues/1075
+        self.assertMarkdownRenders(
+            self.dedent(
+                """
+                <div class="outer" markdown="1">
+
+                Code: `
+                <label>
+                <input/>
+                </label>
+                `
+
+                </div>
+
+                <div class="outer" markdown="1">
+
+                HTML:
+                <label>
+                <input/>
+                </label>
+
+                </div>
+                """
+            ),
+            '<div class="outer">\n'
+            '<p>Code: <code>&lt;label&gt;\n'
+            '&lt;input/&gt;\n'
+            '&lt;/label&gt;</code></p>\n'
+            '</div>\n'
+            '<div class="outer">\n'
+            '<p>HTML:\n'
+            '<label>\n'
+            '<input/>\n'
+            '</label></p>\n'
+            '</div>',
+            extensions=['md_in_html']
+        )
+
+
     def test_md1_code_comment(self):
 
         self.assertMarkdownRenders(