diff --git a/reference/tidy/tidy/getoptdoc.xml b/reference/tidy/tidy/getoptdoc.xml
index 8b1e9e0b6ce7..f4df75246ca0 100644
--- a/reference/tidy/tidy/getoptdoc.xml
+++ b/reference/tidy/tidy/getoptdoc.xml
@@ -102,8 +102,8 @@ foreach ($config as $opt => $val) {
   &reftitle.seealso;
   <para>
    <simplelist>
-    <member><function>tidy::getconfig</function></member>
-    <member><function>tidy::getopt</function></member>
+    <member><function>tidy::getConfig</function></member>
+    <member><function>tidy::getOpt</function></member>
    </simplelist>
   </para>
  </refsect1>
diff --git a/reference/tidy/tidy/parsefile.xml b/reference/tidy/tidy/parsefile.xml
index 9dfbf89f77b5..0ff971073526 100644
--- a/reference/tidy/tidy/parsefile.xml
+++ b/reference/tidy/tidy/parsefile.xml
@@ -143,9 +143,9 @@ if(!empty($tidy->errorBuffer)) {
  <refsect1 role="seealso">
   &reftitle.seealso;
   <simplelist>
-   <member><function>tidy::parsestring</function></member>
-   <member><function>tidy::repairfile</function></member>
-   <member><function>tidy::repairstring</function></member>
+   <member><function>tidy::parseString</function></member>
+   <member><function>tidy::repairFile</function></member>
+   <member><function>tidy::repairString</function></member>
   </simplelist>
  </refsect1>
  
diff --git a/reference/tidy/tidynode/getnextsibling.xml b/reference/tidy/tidynode/getnextsibling.xml
new file mode 100644
index 000000000000..5df564f3879d
--- /dev/null
+++ b/reference/tidy/tidynode/getnextsibling.xml
@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- $Revision$ -->
+<refentry xml:id="tidynode.getnextsibling" xmlns="http://docbook.org/ns/docbook">
+ <refnamediv>
+  <refname>tidyNode::getNextSibling</refname>
+  <refpurpose>Returns the next sibling node of the current node</refpurpose>
+ </refnamediv>
+
+ <refsect1 role="description">
+  &reftitle.description;
+  <methodsynopsis role="tidyNode">
+   <modifier>public</modifier> <type class="union"><type>tidyNode</type><type>null</type></type><methodname>tidyNode::getNextSibling</methodname>
+   <void/>
+  </methodsynopsis>
+  <simpara>
+   Returns the next sibling node of the current node.
+  </simpara>
+ </refsect1>
+
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  &no.function.parameters;
+ </refsect1>
+
+ <refsect1 role="returnvalues">
+  &reftitle.returnvalues;
+  <simpara>
+   Returns a <type>tidyNode</type> if the node has a next sibling, or &null;
+   otherwise.
+  </simpara>
+ </refsect1>
+
+ <refsect1 role="examples">
+  &reftitle.examples;
+  <example>
+   <title><function>tidyNode::getNextSibling</function> example</title>
+   <programlisting role="php">
+<![CDATA[
+<?php
+
+$html = <<< HTML
+<html>
+ <head>
+ </head>
+ <body>
+  <p>Hello</p><p>World</p>
+ </body>
+</html>
+
+HTML;
+
+
+$tidy = tidy_parse_string($html);
+
+$node = $tidy->body();
+var_dump($node->child[0]->getNextSibling()->value);
+
+?>
+]]>
+   </programlisting>
+   &example.outputs;
+   <screen>
+<![CDATA[
+string(13) "<p>World</p>
+"
+]]>
+   </screen>
+  </example>
+ </refsect1>
+
+ <refsect1 role="seealso">
+  &reftitle.seealso;
+  <simplelist>
+   <member><function>tidy::getParent</function></member>
+   <member><function>tidy::getPreviousSibling</function></member>
+  </simplelist>
+ </refsect1>
+
+</refentry>
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+indent-tabs-mode:nil
+sgml-parent-document:nil
+sgml-default-dtd-file:"~/.phpdoc/manual.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->
diff --git a/reference/tidy/tidynode/getparent.xml b/reference/tidy/tidynode/getparent.xml
index f4e1f4142900..180622621cc7 100644
--- a/reference/tidy/tidynode/getparent.xml
+++ b/reference/tidy/tidynode/getparent.xml
@@ -74,6 +74,14 @@ string(4) "head"
   </para>
  </refsect1>
 
+ <refsect1 role="seealso">
+  &reftitle.seealso;
+  <simplelist>
+   <member><function>tidy::getPreviousSibling</function></member>
+   <member><function>tidy::getNextSibling</function></member>
+  </simplelist>
+ </refsect1>
+
 </refentry>
 <!-- Keep this comment at the end of the file
 Local variables:
diff --git a/reference/tidy/tidynode/getprevioussibling.xml b/reference/tidy/tidynode/getprevioussibling.xml
new file mode 100644
index 000000000000..492b8c8a4ccc
--- /dev/null
+++ b/reference/tidy/tidynode/getprevioussibling.xml
@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- $Revision$ -->
+<refentry xml:id="tidynode.getprevioussibling" xmlns="http://docbook.org/ns/docbook">
+ <refnamediv>
+  <refname>tidyNode::getPreviousSibling</refname>
+  <refpurpose>Returns the previous sibling node of the current node</refpurpose>
+ </refnamediv>
+
+ <refsect1 role="description">
+  &reftitle.description;
+  <methodsynopsis role="tidyNode">
+   <modifier>public</modifier> <type class="union"><type>tidyNode</type><type>null</type></type><methodname>tidyNode::getPreviousSibling</methodname>
+   <void/>
+  </methodsynopsis>
+  <simpara>
+   Returns the previous sibling node of the current node.
+  </simpara>
+ </refsect1>
+
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  &no.function.parameters;
+ </refsect1>
+
+ <refsect1 role="returnvalues">
+  &reftitle.returnvalues;
+  <simpara>
+   Returns a <type>tidyNode</type> if the node has a previous sibling, or &null;
+   otherwise.
+  </simpara>
+ </refsect1>
+
+ <refsect1 role="examples">
+  &reftitle.examples;
+  <example>
+   <title><function>tidyNode::getPreviousSibling</function> example</title>
+   <programlisting role="php">
+<![CDATA[
+<?php
+
+$html = <<< HTML
+<html>
+ <head>
+ </head>
+ <body>
+  <p>Hello</p><p>World</p>
+ </body>
+</html>
+
+HTML;
+
+
+$tidy = tidy_parse_string($html);
+
+$node = $tidy->body();
+var_dump($node->child[1]->getPreviousSibling()->value);
+
+?>
+]]>
+   </programlisting>
+   &example.outputs;
+   <screen>
+<![CDATA[
+string(13) "<p>Hello</p>
+"
+]]>
+   </screen>
+  </example>
+ </refsect1>
+
+ <refsect1 role="seealso">
+  &reftitle.seealso;
+  <simplelist>
+   <member><function>tidy::getParent</function></member>
+   <member><function>tidy::getNextSibling</function></member>
+  </simplelist>
+ </refsect1>
+
+</refentry>
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+indent-tabs-mode:nil
+sgml-parent-document:nil
+sgml-default-dtd-file:"~/.phpdoc/manual.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:nil
+sgml-local-ecat-files:nil
+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->
diff --git a/reference/tidy/versions.xml b/reference/tidy/versions.xml
index 05ca89d62e03..f4ae18cb5cea 100644
--- a/reference/tidy/versions.xml
+++ b/reference/tidy/versions.xml
@@ -48,6 +48,9 @@
  <function name="tidynode::isphp" from="PHP 5, PHP 7, PHP 8"/>
  <function name="tidynode::istext" from="PHP 5, PHP 7, PHP 8"/>
  <function name="tidynode::isxhtml" from="PHP 5, PHP 7, PHP 8"/>
+
+ <function name="tidynode::getnextsibling" from="PHP 8 &gt;= 8.4.0"/>
+ <function name="tidynode::getprevioussibling" from="PHP 8 &gt;= 8.4.0"/>
 </versions>
 <!-- Keep this comment at the end of the file
 Local variables:
