docs: Add an index for 3.8 api additions

diff --git a/docs/reference/gtk/gtk-docs.sgml b/docs/reference/gtk/gtk-docs.sgml
index 1d334068d3b2dfe68021a587c463bc1d11a11296..ab14ce0ee6d7695f66a9be86ee305cd505b66233 100644 (file)
--- a/docs/reference/gtk/gtk-docs.sgml
+++ b/docs/reference/gtk/gtk-docs.sgml
@@ -406,6 +406,10 @@
     <title>Index of new symbols in 3.6</title>
     <xi:include href="xml/api-index-3.6.xml"><xi:fallback /></xi:include>
   </index>
+  <index id="api-index-3-8" role="3.8">
+    <title>Index of new symbols in 3.8</title>
+    <xi:include href="xml/api-index-3.8.xml"><xi:fallback /></xi:include>
+  </index>
 
   <xi:include href="xml/annotation-glossary.xml"><xi:fallback /></xi:include>