[gtksourceview] docs: add indexes for 2.x versions

[Sébastien Wilmet <swilmet src gnome org>]

commit 2c92ca3803a81f31852ab864bfb8085243abd5a2
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sat Aug 8 19:39:47 2015 +0200

    docs: add indexes for 2.x versions
    
    GTK-Doc complained about missing indexes.

 docs/reference/gtksourceview-docs.xml |   24 ++++++++++++++++++++++++
 1 files changed, 24 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gtksourceview-docs.xml b/docs/reference/gtksourceview-docs.xml
index 2487e5e..2a9b91c 100644
--- a/docs/reference/gtksourceview-docs.xml
+++ b/docs/reference/gtksourceview-docs.xml
@@ -101,6 +101,30 @@
     <title>Index of deprecated symbols</title>
     <xi:include href="xml/api-index-deprecated.xml"><xi:fallback /></xi:include>
   </index>
+  <index id="api-index-2-0" role="2.0">
+    <title>Index of new symbols in 2.0</title>
+    <xi:include href="xml/api-index-2.0.xml"><xi:fallback /></xi:include>
+  </index>
+  <index id="api-index-2-2" role="2.2">
+    <title>Index of new symbols in 2.2</title>
+    <xi:include href="xml/api-index-2.2.xml"><xi:fallback /></xi:include>
+  </index>
+  <index id="api-index-2-4" role="2.4">
+    <title>Index of new symbols in 2.4</title>
+    <xi:include href="xml/api-index-2.4.xml"><xi:fallback /></xi:include>
+  </index>
+  <index id="api-index-2-8" role="2.8">
+    <title>Index of new symbols in 2.8</title>
+    <xi:include href="xml/api-index-2.8.xml"><xi:fallback /></xi:include>
+  </index>
+  <index id="api-index-2-10" role="2.10">
+    <title>Index of new symbols in 2.10</title>
+    <xi:include href="xml/api-index-2.10.xml"><xi:fallback /></xi:include>
+  </index>
+  <index id="api-index-2-12" role="2.12">
+    <title>Index of new symbols in 2.12</title>
+    <xi:include href="xml/api-index-2.12.xml"><xi:fallback /></xi:include>
+  </index>
   <index id="api-index-3-0" role="3.0">
     <title>Index of new symbols in 3.0</title>
     <xi:include href="xml/api-index-3.0.xml"><xi:fallback /></xi:include>