docs: Regroup the tree support parts

Give the chapter a title, and put some things in sections.

diff --git a/docs/reference/gtk/gtk4-docs.xml b/docs/reference/gtk/gtk4-docs.xml
index 2f8924b313da8d443ffcf2f17ae922b9de647dd7..247e166eb8d6558dc7fdfde313e21ddfd1840496 100644 (file)
--- a/docs/reference/gtk/gtk4-docs.xml
+++ b/docs/reference/gtk/gtk4-docs.xml
@@ -94,8 +94,11 @@
     </chapter>
 
     <chapter id="Trees">
-      <xi:include href="xml/gtktreelistrow.xml" />
+      <title>Tree support</title>
       <xi:include href="xml/gtktreelistmodel.xml" />
+      <section>
+        <xi:include href="xml/gtktreelistrow.xml" />
+      </section>
       <xi:include href="xml/gtktreelistrowsorter.xml" />
       <xi:include href="xml/gtktreeexpander.xml" />
     </chapter>