Disable collapsing top-level headline.

scripts/generate.py

@@ -482,13 +482,16 @@ def render(headline, doc, headlineLevel):
     #     display_state = 'expanded'
     display_state = 'expanded'
 
+    title = render_inline(headline.title, render_tag)
+
+    if headlineLevel > 0:
+        title = f"<a href=\"javascript:toggle_expand('{html.escape(headline.id)}')\">{title}</a>"
+
     return f"""
 <div id="{html.escape(headline.id)}" class="node {todo_state} {display_state}">
   <h1 class="title">
     {state}
-    <a href=\"javascript:toggle_expand('{html.escape(headline.id)}')\">
-      {render_inline(headline.title, render_tag)}
-    </a>
+    {title}
     {tags}
   </h1>
   <div class='contents'>