diff --git a/functions/fdf.xml b/functions/fdf.xml
index faa5c3f8d1..f3b9fdec14 100644
--- a/functions/fdf.xml
+++ b/functions/fdf.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.26 $ -->
+<!-- $Revision: 1.27 $ -->
  <reference id="ref.fdf">
   <title>Forms Data Format functions</title>
   <titleabbrev>FDF</titleabbrev>
@@ -306,7 +306,9 @@ unlink("outtest.fdf");
      <funcprototype>
       <funcdef>string <function>fdf_next_field_name</function></funcdef>
       <paramdef>int <parameter>fdf_document</parameter></paramdef>
-      <paramdef>string <parameter>fieldname</parameter></paramdef>
+      <paramdef>string
+       <parameter><optional>fieldname</optional></parameter>
+      </paramdef>
      </funcprototype>
     </funcsynopsis>
     <para>
@@ -316,8 +318,8 @@ unlink("outtest.fdf");
      if the second paramter is &null;.</para>
 
     <para>
-     See also <function>fdf_set_field</function>,
-              <function>fdf_get_field</function>.</para>
+     See also <function>fdf_set_value</function>,
+              <function>fdf_get_value</function>.</para>
 
    </refsect1>
   </refentry>
diff --git a/functions/mbstring.xml b/functions/mbstring.xml
index a631b0d083..34ebaf73f7 100644
--- a/functions/mbstring.xml
+++ b/functions/mbstring.xml
@@ -1,20 +1,13 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.18 $ -->
+<!-- $Revision: 1.19 $ -->
  <reference id="ref.mbstring">
   <title>Multi-Byte String Functions</title> 
   <titleabbrev>
    Multi-Byte String
   </titleabbrev>
   <partintro>
-   &warn.experimental;
    <sect1 id="mb-intro">
     <title>Introduction</title>
-    <warning>
-     <simpara>
-      This module is EXPERIMENTAL. Function name/API is subject to
-      change. Current conversion filter supports Japanese only.
-     </simpara>
-    </warning>
     <para>
      There are many languages in which all characters can be expressed
      by single byte. Multi-byte character codes are used to express
@@ -547,7 +540,6 @@ mbstring.substitute_character = none
        <parameter><optional>language</optional></parameter></paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_language</function> sets language. If
      <parameter>language</parameter> is omitted, it returns current
@@ -600,7 +592,6 @@ mbstring.substitute_character = none
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_parse_str</function> parses GET/POST/COOKIE data and
      sets global variables. Since PHP does not provide raw POST/COOKIE
@@ -643,7 +634,6 @@ mbstring.substitute_character = none
        <parameter><optional>encoding</optional></parameter></paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_internal_encoding</function> sets internal character
      encoding to <parameter>encoding</parameter> If parameter is
@@ -702,7 +692,6 @@ echo mb_internal_encoding();
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <simpara>
      <function>mb_http_input</function> returns result of HTTP input
      character encoding detection. 
@@ -741,7 +730,6 @@ echo mb_internal_encoding();
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      If <parameter>encoding</parameter> is set,
      <function>mb_http_output</function> sets HTTP output character
@@ -781,7 +769,6 @@ echo mb_internal_encoding();
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_detect_order</function> sets automatic character
      encoding detection order to <parameter>encoding-list</parameter>.
@@ -883,7 +870,6 @@ echo implode(", ", mb_detect_order());
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_substitute_character</function> specifies
      substitution character when input character encoding is invalid
@@ -955,7 +941,6 @@ echo mb_substitute_character();
       <paramdef>int <parameter>status</parameter></paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_output_handler</function> is
      <function>ob_start</function> callback
@@ -1029,7 +1014,6 @@ ob_start("mb_output_handler");
       <paramdef>string <parameter>encoding</parameter></paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_preferred_mime_name</function> returns MIME
      <literal>charset</literal> string for character encoding
@@ -1068,7 +1052,6 @@ header("Content-Type: text/html; charset=" . mb_preferred_mime_name($outputenc))
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_strlen</function> returns number of characters in
      string <parameter>str</parameter> having character encoding
@@ -1109,7 +1092,6 @@ header("Content-Type: text/html; charset=" . mb_preferred_mime_name($outputenc))
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_strpos</function> returns the numeric position of
      the first occurrence of <parameter>needle</parameter> in the
@@ -1166,7 +1148,6 @@ header("Content-Type: text/html; charset=" . mb_preferred_mime_name($outputenc))
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_strrpos</function> returns the numeric position of
      the last occurrence of <parameter>needle</parameter> in the
@@ -1219,7 +1200,6 @@ header("Content-Type: text/html; charset=" . mb_preferred_mime_name($outputenc))
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_substr</function> returns the portion of
      <parameter>str</parameter> specified by the
@@ -1269,7 +1249,6 @@ header("Content-Type: text/html; charset=" . mb_preferred_mime_name($outputenc))
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_strcut</function> returns the portion of
      <parameter>str</parameter> specified by the
@@ -1316,7 +1295,6 @@ header("Content-Type: text/html; charset=" . mb_preferred_mime_name($outputenc))
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_strwidth</function> returns width of string
      <parameter>str</parameter>.
@@ -1370,7 +1348,6 @@ header("Content-Type: text/html; charset=" . mb_preferred_mime_name($outputenc))
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_strimwidth</function> truncates string
      <parameter>str</parameter> to specified
@@ -1426,7 +1403,6 @@ $str = mb_strimwidth($str, 0, 40, "..>");
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_convert_encoding</function> converts 
      character encoding of string <parameter>str</parameter> from
@@ -1483,7 +1459,6 @@ $str = mb_convert_encoding($str, "EUC-JP", "auto");
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_detect_encoding</function> detects character
      encoding in string <parameter>str</parameter>. It returns
@@ -1546,7 +1521,6 @@ echo mb_detect_encoding($str, $ary);
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_convert_kana</function> performs "han-kaku" -
      "zen-kaku" conversion for string <parameter>str</parameter>. It
@@ -1629,7 +1603,6 @@ $str = mb_convert_kana($str, "KVa");
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_encode_mimeheader</function> converts string
      <parameter>str</parameter> to encoded-word for header field.
@@ -1682,7 +1655,6 @@ echo $addr;
       <paramdef>string <parameter>str</parameter></paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_decode_mimeheader</function> decodes encoded-word
      string <parameter>str</parameter> in MIME header. 
@@ -1711,7 +1683,6 @@ echo $addr;
       <paramdef>mixed <parameter>vars</parameter></paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_convert_variables</function> convert 
      character encoding of variables <parameter>vars</parameter> in
@@ -1772,7 +1743,6 @@ $inputenc = mb_convert_variables($interenc, "ASCII,UTF-8,SJIS-win", $post1, $pos
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_encode_numericentity</function> converts
      specified character codes in string <parameter>str</parameter>
@@ -1857,7 +1827,6 @@ $str = mb_encode_numericentity($str, $convmap, "sjis-win");
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      Convert numeric string reference of string
      <parameter>str</parameter> in specified block to character. It
@@ -1917,7 +1886,6 @@ $convmap = array (
       </paramdef>
      </funcprototype>
     </funcsynopsis>
-    &warn.experimental.func;
     <para>
      <function>mb_send_mail</function> sends email. Headers and
      message are converted and encoded according to
@@ -1959,6 +1927,43 @@ $convmap = array (
    </refsect1>
   </refentry>
 
+  <refentry id="function.mb-get-info">
+   <refnamediv>
+    <refname>mb_get_info</refname>
+    <refpurpose>Get internal settings of mbstring</refpurpose>
+   </refnamediv>
+   <refsect1>
+    <title>Description</title>
+    <funcsynopsis>
+     <funcprototype>
+      <funcdef>string <function>mb_get_info</function></funcdef>
+      <paramdef>string 
+       <parameter><optional>type</optional></parameter>
+      </paramdef>
+     </funcprototype>
+    </funcsynopsis>
+    &warn.experimental.func;
+    <simpara>
+     <function>mb_get_info</function> returns internal setting
+     parameter of mbstring.
+    </simpara>
+    <para>
+     If <parameter>type</parameter> isn't specified or is specified to
+     "all", an array having the elements "internal_encoding",
+     "http_output", "http_input", "func_overload" will be returned.
+    </para>
+    <para>
+     If <parameter>type</parameter> is specified for "http_output",
+     "http_input", "internal_encoding", "func_overload",
+     the specified setting parameter will be returned.
+    </para>
+    <para>
+     See also <function>mb_internal_encoding</function>,
+     <function>mb_http_output</function>.
+    </para>
+   </refsect1>
+  </refentry>
+
  </reference>
 
 <!-- Keep this comment at the end of the file
diff --git a/functions/pdf.xml b/functions/pdf.xml
index d517f093fa..96aacad3bd 100644
--- a/functions/pdf.xml
+++ b/functions/pdf.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.75 $ -->
+<!-- $Revision: 1.76 $ -->
  <reference id="ref.pdf">
   <title>PDF functions </title>
   <titleabbrev>PDF</titleabbrev>
@@ -1239,14 +1239,15 @@ pdf_delete($pdf);
       <funcdef>int <function>pdf_findfont</function></funcdef>
       <paramdef>int <parameter>pdf object</parameter></paramdef>
       <paramdef>string <parameter>fontname</parameter></paramdef>
-      <paramdef>string <parameter>encoding^</parameter></paramdef>
+      <paramdef>string <parameter>encoding</parameter></paramdef>
       <paramdef>int <parameter>embed</parameter></paramdef>
      </funcprototype>
     </funcsynopsis>
     <para>
        Prepare a font for later use with <function>pdf_setfont</function>.
        The metrics will be loaded, and if embed is nonzero, the font file
-       will be checked, but not yet used. Encoding is one of "builtin",
+       will be checked, but not yet
+       used. <parameter>encoding</parameter> is one of "builtin",
        "macroman", "winansi", "host", or a user-defined encoding name,
        or the name of a CMap.
     </para>