Fix more IDs, Links, and Markup of new migration guide

Author: Girgias

appendices/migration84/incompatible.xml

@@ -5,8 +5,8 @@
  <simpara>
   Although not explicitly stated in this section,
   every new <link linkend="migration84.new-functions">function</link>,
-  <link linkend="migration84.migration84.new-classes">class, interface, enum</link>,
-  or <link linkend="migration84.migration84.constants">constant</link>
+  <link linkend="migration84.new-classes">class, interface, enum</link>,
+  or <link linkend="migration84.constants">constant</link>
   may cause a redeclaration <exceptionname>Error</exceptionname> to be thrown.
  </simpara>
 
@@ -95,12 +95,12 @@
    The following extension class constants now declare a type on their
    constants:
    <simplelist>
-    <member><link linkend="book.date">Date</link></member>
+    <member><link linkend="book.datetime">Date</link></member>
     <member><link linkend="book.intl">Intl</link></member>
     <member><link linkend="book.pdo">PDO</link></member>
     <member><link linkend="book.reflection">Reflection</link></member>
     <member><link linkend="book.spl">SPL</link></member>
-    <member><link linkend="book.sqlite">Sqlite</link></member>
+    <member><link linkend="book.sqlite3">Sqlite</link></member>
     <member><link linkend="book.xmlreader">XMLReader</link></member>
    </simplelist>
   </para>
@@ -130,13 +130,13 @@
    <title>ODBC</title>
 
    <simpara>
-    The <link linkend="book.odbc">ODBC</link> functions now accept and return
+    The <link linkend="book.uodbc">ODBC</link> functions now accept and return
     <classname>Odbc\Result</classname> objects instead of
     <literal>odbc_result</literal> &resource;s.
    </simpara>
 
    <simpara>
-    The <link linkend="book.odbc">ODBC</link> functions now accept and return
+    The <link linkend="book.uodbc">ODBC</link> functions now accept and return
     <classname>Odbc\Connection</classname> objects instead of
     <literal>odbc_connection</literal> &resource;s.
    </simpara>
@@ -583,9 +583,9 @@
     However, it is now disabled through the
     <link linkend="ini.opcache.jit">opcache.jit</link> setting,
     rather than
-    <link linkend="ini.opcache.jit_buffer_size">opcache.jit_buffer_size</link>.
+    <link linkend="ini.opcache.jit-buffer-size">opcache.jit_buffer_size</link>.
     This may affect users who previously enabled JIT through
-    <link linkend="ini.opcache.jit_buffer_size">opcache.jit_buffer_size</link>
+    <link linkend="ini.opcache.jit-buffer-size">opcache.jit_buffer_size</link>
     exclusively, without also specifying a JIT mode using
     <link linkend="ini.opcache.jit">opcache.jit</link>.
     To enable JIT compilation, set the

appendices/migration84/new-features.xml

@@ -16,7 +16,7 @@
 
    <informalexample>
     <programlisting role="php">
-     <![CDATA[
+<![CDATA[
 <?php
 /*
 examples
@@ -35,7 +35,7 @@ examples
     Object properties may now have their <literal>set</literal> visibility controlled separately from the <literal>get</literal> visibility.
    </simpara>
    <informalexample>
-   <programlisting role="php">
+    <programlisting role="php">
 <![CDATA[
 <?php
 class Example

appendices/migration84/other-changes.xml

@@ -371,7 +371,7 @@
 
    <simpara>
     The <parameter>backlog</parameter> parameter of
-    <functtion>socket_create_listen(</functtion> now has a default value of
+    <function>socket_create_listen(</function> now has a default value of
     <constant>SOMAXCONN</constant>.
     Previously, it was <literal>128</literal>.
    </simpara>

appendices/migration84/removed-extensions.xml

@@ -11,7 +11,7 @@
  <simplelist>
   <member><link linkend="book.imap">IMAP</link></member>
   <member><link linkend="book.oci8">OCI8</link></member>
-  <member><link linkend="book.pdo-oci">PDO_OCI</link></member>
+  <member><link linkend="ref.pdo-oci">PDO_OCI</link></member>
   <member><link linkend="book.pspell">PSpell</link></member>
  </simplelist>
 </sect1>