Merge branch 'api-index' into 'main'

doc: Workaround missing API index

See merge request GNOME/glib!3308

3 files changed, 214 insertions, 214 deletions

diff --git a/docs/reference/gio/gio-docs.xml b/docs/reference/gio/gio-docs.xml
index e80a678d1..c68bf8a08 100644
--- a/docs/reference/gio/gio-docs.xml
+++ b/docs/reference/gio/gio-docs.xml
@@ -280,138 +280,138 @@
       <xi:include href="xml/tree_index.sgml"/>
   </chapter>
   
-  <index id="api-index-full">
+  <chapter id="api-index-full">
     <title id="index-all">Index</title>
     <xi:include href="xml/api-index-full.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-deprecated" role="deprecated">
+  </chapter>
+  <chapter id="api-index-deprecated" role="deprecated">
     <title>Index of deprecated symbols</title>
     <xi:include href="xml/api-index-deprecated.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-18" role="2.18">
+  </chapter>
+  <chapter id="api-index-2-18" role="2.18">
     <title>Index of new symbols in 2.18</title>
     <xi:include href="xml/api-index-2.18.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-20" role="2.20">
+  </chapter>
+  <chapter id="api-index-2-20" role="2.20">
     <title>Index of new symbols in 2.20</title>
     <xi:include href="xml/api-index-2.20.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-22" role="2.22">
+  </chapter>
+  <chapter id="api-index-2-22" role="2.22">
     <title>Index of new symbols in 2.22</title>
     <xi:include href="xml/api-index-2.22.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-24" role="2.24">
+  </chapter>
+  <chapter id="api-index-2-24" role="2.24">
     <title>Index of new symbols in 2.24</title>
     <xi:include href="xml/api-index-2.24.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-26" role="2.26">
+  </chapter>
+  <chapter id="api-index-2-26" role="2.26">
     <title>Index of new symbols in 2.26</title>
     <xi:include href="xml/api-index-2.26.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-28" role="2.28">
+  </chapter>
+  <chapter id="api-index-2-28" role="2.28">
     <title>Index of new symbols in 2.28</title>
     <xi:include href="xml/api-index-2.28.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-30" role="2.30">
+  </chapter>
+  <chapter id="api-index-2-30" role="2.30">
     <title>Index of new symbols in 2.30</title>
     <xi:include href="xml/api-index-2.30.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-32" role="2.32">
+  </chapter>
+  <chapter id="api-index-2-32" role="2.32">
     <title>Index of new symbols in 2.32</title>
     <xi:include href="xml/api-index-2.32.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-34" role="2.34">
+  </chapter>
+  <chapter id="api-index-2-34" role="2.34">
     <title>Index of new symbols in 2.34</title>
     <xi:include href="xml/api-index-2.34.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-36" role="2.36">
+  </chapter>
+  <chapter id="api-index-2-36" role="2.36">
     <title>Index of new symbols in 2.36</title>
     <xi:include href="xml/api-index-2.36.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-38" role="2.38">
+  </chapter>
+  <chapter id="api-index-2-38" role="2.38">
     <title>Index of new symbols in 2.38</title>
     <xi:include href="xml/api-index-2.38.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-40" role="2.40">
+  </chapter>
+  <chapter id="api-index-2-40" role="2.40">
     <title>Index of new symbols in 2.40</title>
     <xi:include href="xml/api-index-2.40.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-42" role="2.42">
+  </chapter>
+  <chapter id="api-index-2-42" role="2.42">
     <title>Index of new symbols in 2.42</title>
     <xi:include href="xml/api-index-2.42.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-44" role="2.44">
+  </chapter>
+  <chapter id="api-index-2-44" role="2.44">
     <title>Index of new symbols in 2.44</title>
     <xi:include href="xml/api-index-2.44.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-46" role="2.46">
+  </chapter>
+  <chapter id="api-index-2-46" role="2.46">
     <title>Index of new symbols in 2.46</title>
     <xi:include href="xml/api-index-2.46.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-48" role="2.48">
+  </chapter>
+  <chapter id="api-index-2-48" role="2.48">
     <title>Index of new symbols in 2.48</title>
     <xi:include href="xml/api-index-2.48.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-50" role="2.50">
+  </chapter>
+  <chapter id="api-index-2-50" role="2.50">
     <title>Index of new symbols in 2.50</title>
     <xi:include href="xml/api-index-2.50.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-52" role="2.52">
+  </chapter>
+  <chapter id="api-index-2-52" role="2.52">
     <title>Index of new symbols in 2.52</title>
     <xi:include href="xml/api-index-2.52.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-54" role="2.54">
+  </chapter>
+  <chapter id="api-index-2-54" role="2.54">
     <title>Index of new symbols in 2.54</title>
     <xi:include href="xml/api-index-2.54.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-56" role="2.56">
+  </chapter>
+  <chapter id="api-index-2-56" role="2.56">
     <title>Index of new symbols in 2.56</title>
     <xi:include href="xml/api-index-2.56.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-58" role="2.58">
+  </chapter>
+  <chapter id="api-index-2-58" role="2.58">
     <title>Index of new symbols in 2.58</title>
     <xi:include href="xml/api-index-2.58.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-60" role="2.60">
+  </chapter>
+  <chapter id="api-index-2-60" role="2.60">
     <title>Index of new symbols in 2.60</title>
     <xi:include href="xml/api-index-2.60.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-62" role="2.62">
+  </chapter>
+  <chapter id="api-index-2-62" role="2.62">
     <title>Index of new symbols in 2.62</title>
     <xi:include href="xml/api-index-2.62.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-64" role="2.64">
+  </chapter>
+  <chapter id="api-index-2-64" role="2.64">
     <title>Index of new symbols in 2.64</title>
     <xi:include href="xml/api-index-2.64.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-66" role="2.66">
+  </chapter>
+  <chapter id="api-index-2-66" role="2.66">
     <title>Index of new symbols in 2.66</title>
     <xi:include href="xml/api-index-2.66.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-68" role="2.68">
+  </chapter>
+  <chapter id="api-index-2-68" role="2.68">
     <title>Index of new symbols in 2.68</title>
     <xi:include href="xml/api-index-2.68.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-70" role="2.70">
+  </chapter>
+  <chapter id="api-index-2-70" role="2.70">
     <title>Index of new symbols in 2.70</title>
     <xi:include href="xml/api-index-2.70.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-72" role="2.72">
+  </chapter>
+  <chapter id="api-index-2-72" role="2.72">
     <title>Index of new symbols in 2.72</title>
     <xi:include href="xml/api-index-2.72.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-74" role="2.74">
+  </chapter>
+  <chapter id="api-index-2-74" role="2.74">
     <title>Index of new symbols in 2.74</title>
     <xi:include href="xml/api-index-2.74.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-76" role="2.76">
+  </chapter>
+  <chapter id="api-index-2-76" role="2.76">
     <title>Index of new symbols in 2.76</title>
     <xi:include href="xml/api-index-2.76.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-78" role="2.78">
+  </chapter>
+  <chapter id="api-index-2-78" role="2.78">
     <title>Index of new symbols in 2.78</title>
     <xi:include href="xml/api-index-2.78.xml"><xi:fallback /></xi:include>
-  </index>
+  </chapter>
 
   <xi:include href="xml/annotation-glossary.xml"><xi:fallback /></xi:include>
 
diff --git a/docs/reference/glib/glib-docs.xml b/docs/reference/glib/glib-docs.xml
index 2b88abd74..07b096f22 100644
--- a/docs/reference/glib/glib-docs.xml
+++ b/docs/reference/glib/glib-docs.xml
@@ -145,170 +145,170 @@
     <xi:include href="gtester-report.xml" />
   </chapter>
 
-  <index id="api-index-full">
+  <chapter id="api-index-full">
     <title>Index</title>
     <xi:include href="xml/api-index-full.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-deprecated" role="deprecated">
+  </chapter>
+  <chapter id="api-index-deprecated" role="deprecated">
     <title>Index of deprecated symbols</title>
     <xi:include href="xml/api-index-deprecated.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-2" role="2.2">
+  </chapter>
+  <chapter 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">
+  </chapter>
+  <chapter 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-2-6" role="2.6">
+  </chapter>
+  <chapter id="api-index-2-6" role="2.6">
     <title>Index of new symbols in 2.6</title>
     <xi:include href="xml/api-index-2.6.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-8" role="2.8">
+  </chapter>
+  <chapter 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">
+  </chapter>
+  <chapter 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">
+  </chapter>
+  <chapter 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-2-14" role="2.14">
+  </chapter>
+  <chapter id="api-index-2-14" role="2.14">
     <title>Index of new symbols in 2.14</title>
     <xi:include href="xml/api-index-2.14.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-16" role="2.16">
+  </chapter>
+  <chapter id="api-index-2-16" role="2.16">
     <title>Index of new symbols in 2.16</title>
     <xi:include href="xml/api-index-2.16.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-18" role="2.18">
+  </chapter>
+  <chapter id="api-index-2-18" role="2.18">
     <title>Index of new symbols in 2.18</title>
     <xi:include href="xml/api-index-2.18.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-20" role="2.20">
+  </chapter>
+  <chapter id="api-index-2-20" role="2.20">
     <title>Index of new symbols in 2.20</title>
     <xi:include href="xml/api-index-2.20.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-22" role="2.22">
+  </chapter>
+  <chapter id="api-index-2-22" role="2.22">
     <title>Index of new symbols in 2.22</title>
     <xi:include href="xml/api-index-2.22.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-24" role="2.24">
+  </chapter>
+  <chapter id="api-index-2-24" role="2.24">
     <title>Index of new symbols in 2.24</title>
     <xi:include href="xml/api-index-2.24.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-26" role="2.26">
+  </chapter>
+  <chapter id="api-index-2-26" role="2.26">
     <title>Index of new symbols in 2.26</title>
     <xi:include href="xml/api-index-2.26.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-28" role="2.28">
+  </chapter>
+  <chapter id="api-index-2-28" role="2.28">
     <title>Index of new symbols in 2.28</title>
     <xi:include href="xml/api-index-2.28.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-30" role="2.30">
+  </chapter>
+  <chapter id="api-index-2-30" role="2.30">
     <title>Index of new symbols in 2.30</title>
     <xi:include href="xml/api-index-2.30.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-32" role="2.32">
+  </chapter>
+  <chapter id="api-index-2-32" role="2.32">
     <title>Index of new symbols in 2.32</title>
     <xi:include href="xml/api-index-2.32.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-34" role="2.34">
+  </chapter>
+  <chapter id="api-index-2-34" role="2.34">
     <title>Index of new symbols in 2.34</title>
     <xi:include href="xml/api-index-2.34.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-36" role="2.36">
+  </chapter>
+  <chapter id="api-index-2-36" role="2.36">
     <title>Index of new symbols in 2.36</title>
     <xi:include href="xml/api-index-2.36.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-38" role="2.38">
+  </chapter>
+  <chapter id="api-index-2-38" role="2.38">
     <title>Index of new symbols in 2.38</title>
     <xi:include href="xml/api-index-2.38.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-40" role="2.40">
+  </chapter>
+  <chapter id="api-index-2-40" role="2.40">
     <title>Index of new symbols in 2.40</title>
     <xi:include href="xml/api-index-2.40.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-42" role="2.42">
+  </chapter>
+  <chapter id="api-index-2-42" role="2.42">
     <title>Index of new symbols in 2.42</title>
     <xi:include href="xml/api-index-2.42.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-44" role="2.44">
+  </chapter>
+  <chapter id="api-index-2-44" role="2.44">
     <title>Index of new symbols in 2.44</title>
     <xi:include href="xml/api-index-2.44.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-46" role="2.46">
+  </chapter>
+  <chapter id="api-index-2-46" role="2.46">
     <title>Index of new symbols in 2.46</title>
     <xi:include href="xml/api-index-2.46.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-48" role="2.48">
+  </chapter>
+  <chapter id="api-index-2-48" role="2.48">
     <title>Index of new symbols in 2.48</title>
     <xi:include href="xml/api-index-2.48.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-50" role="2.50">
+  </chapter>
+  <chapter id="api-index-2-50" role="2.50">
     <title>Index of new symbols in 2.50</title>
     <xi:include href="xml/api-index-2.50.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-52" role="2.52">
+  </chapter>
+  <chapter id="api-index-2-52" role="2.52">
     <title>Index of new symbols in 2.52</title>
     <xi:include href="xml/api-index-2.52.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-54" role="2.54">
+  </chapter>
+  <chapter id="api-index-2-54" role="2.54">
     <title>Index of new symbols in 2.54</title>
     <xi:include href="xml/api-index-2.54.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-56" role="2.56">
+  </chapter>
+  <chapter id="api-index-2-56" role="2.56">
     <title>Index of new symbols in 2.56</title>
     <xi:include href="xml/api-index-2.56.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-58" role="2.58">
+  </chapter>
+  <chapter id="api-index-2-58" role="2.58">
     <title>Index of new symbols in 2.58</title>
     <xi:include href="xml/api-index-2.58.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-60" role="2.60">
+  </chapter>
+  <chapter id="api-index-2-60" role="2.60">
     <title>Index of new symbols in 2.60</title>
     <xi:include href="xml/api-index-2.60.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-62" role="2.62">
+  </chapter>
+  <chapter id="api-index-2-62" role="2.62">
     <title>Index of new symbols in 2.62</title>
     <xi:include href="xml/api-index-2.62.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-64" role="2.64">
+  </chapter>
+  <chapter id="api-index-2-64" role="2.64">
     <title>Index of new symbols in 2.64</title>
     <xi:include href="xml/api-index-2.64.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-66" role="2.66">
+  </chapter>
+  <chapter id="api-index-2-66" role="2.66">
     <title>Index of new symbols in 2.66</title>
     <xi:include href="xml/api-index-2.66.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-68" role="2.68">
+  </chapter>
+  <chapter id="api-index-2-68" role="2.68">
     <title>Index of new symbols in 2.68</title>
     <xi:include href="xml/api-index-2.68.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-70" role="2.70">
+  </chapter>
+  <chapter id="api-index-2-70" role="2.70">
     <title>Index of new symbols in 2.70</title>
     <xi:include href="xml/api-index-2.70.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-72" role="2.72">
+  </chapter>
+  <chapter id="api-index-2-72" role="2.72">
     <title>Index of new symbols in 2.72</title>
     <xi:include href="xml/api-index-2.72.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-74" role="2.74">
+  </chapter>
+  <chapter id="api-index-2-74" role="2.74">
     <title>Index of new symbols in 2.74</title>
     <xi:include href="xml/api-index-2.74.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-76" role="2.76">
+  </chapter>
+  <chapter id="api-index-2-76" role="2.76">
     <title>Index of new symbols in 2.76</title>
     <xi:include href="xml/api-index-2.76.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-78" role="2.78">
+  </chapter>
+  <chapter id="api-index-2-78" role="2.78">
     <title>Index of new symbols in 2.78</title>
     <xi:include href="xml/api-index-2.78.xml"><xi:fallback /></xi:include>
-  </index>
+  </chapter>
 
   <xi:include href="xml/annotation-glossary.xml"><xi:fallback /></xi:include>
 
diff --git a/docs/reference/gobject/gobject-docs.xml b/docs/reference/gobject/gobject-docs.xml
index eecabf933..69147e276 100644
--- a/docs/reference/gobject/gobject-docs.xml
+++ b/docs/reference/gobject/gobject-docs.xml
@@ -98,138 +98,138 @@
   <xi:include href="tut_howto.xml" />
   <xi:include href="tut_tools.xml" />
 
-  <index id="api-index-full">
+  <chapter id="api-index-full">
     <title>Index</title>
     <xi:include href="xml/api-index-full.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-deprecated" role="deprecated">
+  </chapter>
+  <chapter id="api-index-deprecated" role="deprecated">
     <title>Index of deprecated symbols</title>
     <xi:include href="xml/api-index-deprecated.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-2" role="2.2">
+  </chapter>
+  <chapter 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">
+  </chapter>
+  <chapter 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-2-6" role="2.6">
+  </chapter>
+  <chapter id="api-index-2-6" role="2.6">
     <title>Index of new symbols in 2.6</title>
     <xi:include href="xml/api-index-2.6.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-8" role="2.8">
+  </chapter>
+  <chapter 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">
+  </chapter>
+  <chapter 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">
+  </chapter>
+  <chapter 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-2-14" role="2.14">
+  </chapter>
+  <chapter id="api-index-2-14" role="2.14">
     <title>Index of new symbols in 2.14</title>
     <xi:include href="xml/api-index-2.14.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-18" role="2.18">
+  </chapter>
+  <chapter id="api-index-2-18" role="2.18">
     <title>Index of new symbols in 2.18</title>
     <xi:include href="xml/api-index-2.18.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-22" role="2.22">
+  </chapter>
+  <chapter id="api-index-2-22" role="2.22">
     <title>Index of new symbols in 2.22</title>
     <xi:include href="xml/api-index-2.22.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-24" role="2.24">
+  </chapter>
+  <chapter id="api-index-2-24" role="2.24">
     <title>Index of new symbols in 2.24</title>
     <xi:include href="xml/api-index-2.24.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-26" role="2.26">
+  </chapter>
+  <chapter id="api-index-2-26" role="2.26">
     <title>Index of new symbols in 2.26</title>
     <xi:include href="xml/api-index-2.26.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-28" role="2.28">
+  </chapter>
+  <chapter id="api-index-2-28" role="2.28">
     <title>Index of new symbols in 2.28</title>
     <xi:include href="xml/api-index-2.28.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-30" role="2.30">
+  </chapter>
+  <chapter id="api-index-2-30" role="2.30">
     <title>Index of new symbols in 2.30</title>
     <xi:include href="xml/api-index-2.30.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-32" role="2.32">
+  </chapter>
+  <chapter id="api-index-2-32" role="2.32">
     <title>Index of new symbols in 2.32</title>
     <xi:include href="xml/api-index-2.32.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-34" role="2.34">
+  </chapter>
+  <chapter id="api-index-2-34" role="2.34">
     <title>Index of new symbols in 2.34</title>
     <xi:include href="xml/api-index-2.34.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-36" role="2.36">
+  </chapter>
+  <chapter id="api-index-2-36" role="2.36">
     <title>Index of new symbols in 2.36</title>
     <xi:include href="xml/api-index-2.36.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-38" role="2.38">
+  </chapter>
+  <chapter id="api-index-2-38" role="2.38">
     <title>Index of new symbols in 2.38</title>
     <xi:include href="xml/api-index-2.38.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-40" role="2.40">
+  </chapter>
+  <chapter id="api-index-2-40" role="2.40">
     <title>Index of new symbols in 2.40</title>
     <xi:include href="xml/api-index-2.40.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-42" role="2.42">
+  </chapter>
+  <chapter id="api-index-2-42" role="2.42">
     <title>Index of new symbols in 2.42</title>
     <xi:include href="xml/api-index-2.42.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-44" role="2.44">
+  </chapter>
+  <chapter id="api-index-2-44" role="2.44">
     <title>Index of new symbols in 2.44</title>
     <xi:include href="xml/api-index-2.44.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-46" role="2.46">
+  </chapter>
+  <chapter id="api-index-2-46" role="2.46">
     <title>Index of new symbols in 2.46</title>
     <xi:include href="xml/api-index-2.46.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-54" role="2.54">
+  </chapter>
+  <chapter id="api-index-2-54" role="2.54">
     <title>Index of new symbols in 2.54</title>
     <xi:include href="xml/api-index-2.54.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-56" role="2.56">
+  </chapter>
+  <chapter id="api-index-2-56" role="2.56">
     <title>Index of new symbols in 2.56</title>
     <xi:include href="xml/api-index-2.56.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-62" role="2.62">
+  </chapter>
+  <chapter id="api-index-2-62" role="2.62">
     <title>Index of new symbols in 2.62</title>
     <xi:include href="xml/api-index-2.62.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-66" role="2.66">
+  </chapter>
+  <chapter id="api-index-2-66" role="2.66">
     <title>Index of new symbols in 2.66</title>
     <xi:include href="xml/api-index-2.66.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-68" role="2.68">
+  </chapter>
+  <chapter id="api-index-2-68" role="2.68">
     <title>Index of new symbols in 2.68</title>
     <xi:include href="xml/api-index-2.68.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-70" role="2.70">
+  </chapter>
+  <chapter id="api-index-2-70" role="2.70">
     <title>Index of new symbols in 2.70</title>
     <xi:include href="xml/api-index-2.70.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-72" role="2.72">
+  </chapter>
+  <chapter id="api-index-2-72" role="2.72">
     <title>Index of new symbols in 2.72</title>
     <xi:include href="xml/api-index-2.72.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-74" role="2.74">
+  </chapter>
+  <chapter id="api-index-2-74" role="2.74">
     <title>Index of new symbols in 2.74</title>
     <xi:include href="xml/api-index-2.74.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-76" role="2.76">
+  </chapter>
+  <chapter id="api-index-2-76" role="2.76">
     <title>Index of new symbols in 2.76</title>
     <xi:include href="xml/api-index-2.76.xml"><xi:fallback /></xi:include>
-  </index>
-  <index id="api-index-2-78" role="2.78">
+  </chapter>
+  <chapter id="api-index-2-78" role="2.78">
     <title>Index of new symbols in 2.78</title>
     <xi:include href="xml/api-index-2.78.xml"><xi:fallback /></xi:include>
-  </index>
+  </chapter>
 
   <xi:include href="xml/annotation-glossary.xml"><xi:fallback /></xi:include>