feat: use native Confluence task list macros

README.md

@@ -22,7 +22,7 @@
 | Insert           | `^^text^^`                            | —                                                               |
 | Superscript      | `x^2^`                                | —                                                               |
 | Subscript        | `H~2~O`                               | —                                                               |
-| Task lists       | `- [x] done`                          | Rendered with XHTML-compliant attributes                        |
+| Task lists       | `- [x] done`                          | Rendered as native Confluence task list                         |
 | Definition lists | `Term` / `:  Definition`              | —                                                               |
 | Abbreviations    | `*[HTML]: Hyper Text Markup Language` | ⚠️ `<abbr>` tags stripped by Confluence; degrades to plain text |
 | Footnotes        | `text[^1]` / `[^1]: note`             | Uses Confluence anchor macros for navigation                    |

mdfluence/confluence_renderer.py

@@ -75,11 +75,13 @@ def __init__(
         self.enable_relative_links = enable_relative_links
         self.relative_links: List[RelativeLink] = list()
         self._has_math = False
+        self._task_id = 0
 
     def reinit(self):
         self.attachments = list()
         self.relative_links = list()
         self._has_math = False
+        self._task_id = 0
         self.title = None
 
     def heading(self, text, level, **attrs):
@@ -163,19 +165,27 @@ def image(self, text, url, title=None):
         return root_element.render()
 
     def task_list_item(self, text, checked=False):
-        checkbox = (
-            '<input class="task-list-item-checkbox" type="checkbox" disabled="disabled"'
-        )
-        if checked:
-            checkbox += ' checked="checked"'
-        checkbox += "/>"
-
-        if text.startswith("<p>"):
-            text = text.replace("<p>", "<p>" + checkbox, 1)
-        else:
-            text = checkbox + text
-
-        return '<li class="task-list-item">' + text + "</li>\n"
+        self._task_id += 1
+        status = "complete" if checked else "incomplete"
+        # Strip wrapping <p> tags for clean task body
+        if text.startswith("<p>") and text.rstrip().endswith("</p>"):
+            text = text[3:].rstrip()[:-4]
+        task = ConfluenceTag("task", namespace="ac")
+        task_id = ConfluenceTag("task-id", namespace="ac")
+        task_id.text = str(self._task_id)
+        task_status = ConfluenceTag("task-status", namespace="ac")
+        task_status.text = status
+        task_body = ConfluenceTag("task-body", namespace="ac")
+        task_body.text = text
+        task.append(task_id)
+        task.append(task_status)
+        task.append(task_body)
+        return task.render()
+
+    def list(self, text, ordered, **attrs):
+        if "<ac:task>" in text:
+            return "<ac:task-list>\n" + text + "</ac:task-list>\n"
+        return super().list(text, ordered, **attrs)
 
     def _confluence_anchor(self, name):
         macro = self.structured_macro("anchor")

test_package/unit/test_plugins.py

@@ -68,7 +68,7 @@
         ),
         (
             "- [ ] todo\n- [x] done\n",
-            "task-list-item-checkbox",
+            "ac:task-list",
             "task_lists",
         ),
         (