[tepl] docs: add index of new symbols in 5.2

[Sébastien Wilmet <swilmet src gnome org>]

commit 7a92d0e534ff978607e970d94658ad6d29548b1d
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Tue Sep 22 13:52:15 2020 +0200

    docs: add index of new symbols in 5.2

 docs/reference/tepl-docs.xml | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/docs/reference/tepl-docs.xml b/docs/reference/tepl-docs.xml
index 63eeb1a..1c3f42d 100644
--- a/docs/reference/tepl-docs.xml
+++ b/docs/reference/tepl-docs.xml
@@ -114,5 +114,9 @@
       <title>Index of new symbols in 5.0</title>
       <xi:include href="xml/api-index-5.0.xml"><xi:fallback /></xi:include>
     </index>
+    <index id="api-index-5-2" role="5.2">
+      <title>Index of new symbols in 5.2</title>
+      <xi:include href="xml/api-index-5.2.xml"><xi:fallback /></xi:include>
+    </index>
   </part>
 </book>