diff --git a/reference/hash/functions/hash-init.xml b/reference/hash/functions/hash-init.xml
index c6313f019c..90b37eb87f 100644
--- a/reference/hash/functions/hash-init.xml
+++ b/reference/hash/functions/hash-init.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.3 $ -->
+<!-- $Revision: 1.4 $ -->
 <!-- Generated by xml_proto.php v2.3. Found in /scripts directory of phpdoc. -->
 <refentry xml:id="function.hash-init" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -12,7 +12,7 @@
    <type>resource</type><methodname>hash_init</methodname>
    <methodparam><type>string</type><parameter>algo</parameter></methodparam>
    <methodparam choice="opt"><type>int</type><parameter>options</parameter></methodparam>
-   <methodparam><type>string</type><parameter>key</parameter></methodparam>
+   <methodparam choice="opt"><type>string</type><parameter>key</parameter></methodparam>
   </methodsynopsis>
 
  </refsect1>
diff --git a/reference/iconv/functions/iconv-substr.xml b/reference/iconv/functions/iconv-substr.xml
index de06fe6334..62796e4895 100644
--- a/reference/iconv/functions/iconv-substr.xml
+++ b/reference/iconv/functions/iconv-substr.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='iso-8859-1'?>
-<!-- $Revision: 1.8 $ -->
+<!-- $Revision: 1.9 $ -->
 <refentry xml:id="function.iconv-substr" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
   <refname>iconv_substr</refname>
@@ -12,8 +12,13 @@
    <type>string</type><methodname>iconv_substr</methodname>
    <methodparam><type>string</type><parameter>str</parameter></methodparam>
    <methodparam><type>int</type><parameter>offset</parameter></methodparam>
-   <methodparam choice="opt"><type>int</type><parameter>length</parameter></methodparam>
-   <methodparam choice="opt"><type>string</type><parameter>charset</parameter></methodparam>
+  </methodsynopsis>
+  <methodsynopsis>
+   <type>string</type><methodname>iconv_substr</methodname>
+   <methodparam><type>string</type><parameter>str</parameter></methodparam>
+   <methodparam><type>int</type><parameter>offset</parameter></methodparam>
+   <methodparam><type>int</type><parameter>length</parameter></methodparam>
+   <methodparam><type>string</type><parameter>charset</parameter></methodparam>
   </methodsynopsis>
   <para>
    Cuts a portion of <parameter>str</parameter> specified by the 
diff --git a/reference/image/functions/imagepsbbox.xml b/reference/image/functions/imagepsbbox.xml
index ebc0b08551..368b2ff991 100644
--- a/reference/image/functions/imagepsbbox.xml
+++ b/reference/image/functions/imagepsbbox.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.11 $ -->
+<!-- $Revision: 1.12 $ -->
 <refentry xml:id="function.imagepsbbox" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
   <refname>imagepsbbox</refname>
@@ -12,7 +12,13 @@
    <methodparam><type>string</type><parameter>text</parameter></methodparam>
    <methodparam><type>int</type><parameter>font</parameter></methodparam>
    <methodparam><type>int</type><parameter>size</parameter></methodparam>
-   <methodparam choice="opt"><type>int</type><parameter>space</parameter></methodparam>
+  </methodsynopsis>
+  <methodsynopsis>
+   <type>array</type><methodname>imagepsbbox</methodname>
+   <methodparam><type>string</type><parameter>text</parameter></methodparam>
+   <methodparam><type>int</type><parameter>font</parameter></methodparam>
+   <methodparam><type>int</type><parameter>size</parameter></methodparam>
+   <methodparam><type>int</type><parameter>space</parameter></methodparam>
    <methodparam><type>int</type><parameter>tightness</parameter></methodparam>
    <methodparam><type>float</type><parameter>angle</parameter></methodparam>
   </methodsynopsis>
diff --git a/reference/network/functions/dns-get-record.xml b/reference/network/functions/dns-get-record.xml
index 4a01512c8c..436f8f2c06 100644
--- a/reference/network/functions/dns-get-record.xml
+++ b/reference/network/functions/dns-get-record.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.26 $ -->
+<!-- $Revision: 1.27 $ -->
 <refentry xml:id="function.dns-get-record" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
  <refnamediv>
   <refname>dns_get_record</refname>
@@ -12,7 +12,12 @@
    <type>array</type><methodname>dns_get_record</methodname>
    <methodparam><type>string</type><parameter>hostname</parameter></methodparam>
    <methodparam choice="opt"><type>int</type><parameter>type</parameter></methodparam>
-   <methodparam choice="opt"><type>array</type><parameter role="reference">authns</parameter></methodparam>
+  </methodsynopsis>
+  <methodsynopsis>
+   <type>array</type><methodname>dns_get_record</methodname>
+   <methodparam><type>string</type><parameter>hostname</parameter></methodparam>
+   <methodparam><type>int</type><parameter>type</parameter></methodparam>
+   <methodparam><type>array</type><parameter role="reference">authns</parameter></methodparam>
    <methodparam><type>array</type><parameter role="reference">addtl</parameter></methodparam>
   </methodsynopsis>
   <para>
diff --git a/reference/strings/functions/levenshtein.xml b/reference/strings/functions/levenshtein.xml
index 73d54cb788..5ff9e2ae64 100644
--- a/reference/strings/functions/levenshtein.xml
+++ b/reference/strings/functions/levenshtein.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision: 1.10 $ -->
+<!-- $Revision: 1.11 $ -->
 <refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.levenshtein" xmlns:xlink="http://www.w3.org/1999/xlink">
  <refnamediv>
   <refname>levenshtein</refname>
@@ -12,7 +12,12 @@
    <type>int</type><methodname>levenshtein</methodname>
    <methodparam><type>string</type><parameter>str1</parameter></methodparam>
    <methodparam><type>string</type><parameter>str2</parameter></methodparam>
-   <methodparam choice="opt"><type>int</type><parameter>cost_ins</parameter></methodparam>
+  </methodsynopsis>
+  <methodsynopsis>
+   <type>int</type><methodname>levenshtein</methodname>
+   <methodparam><type>string</type><parameter>str1</parameter></methodparam>
+   <methodparam><type>string</type><parameter>str2</parameter></methodparam>
+   <methodparam><type>int</type><parameter>cost_ins</parameter></methodparam>
    <methodparam><type>int</type><parameter>cost_rep</parameter></methodparam>
    <methodparam><type>int</type><parameter>cost_del</parameter></methodparam>
   </methodsynopsis>
diff --git a/reference/uodbc/functions/odbc-procedurecolumns.xml b/reference/uodbc/functions/odbc-procedurecolumns.xml
index 6a41b125df..3328e528f7 100644
--- a/reference/uodbc/functions/odbc-procedurecolumns.xml
+++ b/reference/uodbc/functions/odbc-procedurecolumns.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.5 $ -->
+<!-- $Revision: 1.6 $ -->
 <!-- splitted from ./en/functions/uodbc.xml, last change in rev 1.3 -->
 <refentry xml:id="function.odbc-procedurecolumns" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -11,7 +11,11 @@
   <methodsynopsis>
    <type>resource</type><methodname>odbc_procedurecolumns</methodname>
    <methodparam><type>resource</type><parameter>connection_id</parameter></methodparam>
-   <methodparam choice="opt"><type>string</type><parameter>qualifier</parameter></methodparam>
+  </methodsynopsis>
+  <methodsynopsis>
+   <type>resource</type><methodname>odbc_procedurecolumns</methodname>
+   <methodparam><type>resource</type><parameter>connection_id</parameter></methodparam>
+   <methodparam><type>string</type><parameter>qualifier</parameter></methodparam>
    <methodparam><type>string</type><parameter>owner</parameter></methodparam>
    <methodparam><type>string</type><parameter>proc</parameter></methodparam>
    <methodparam><type>string</type><parameter>column</parameter></methodparam>
diff --git a/reference/uodbc/functions/odbc-procedures.xml b/reference/uodbc/functions/odbc-procedures.xml
index 0d66aabcd9..55a1b93c3c 100644
--- a/reference/uodbc/functions/odbc-procedures.xml
+++ b/reference/uodbc/functions/odbc-procedures.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.6 $ -->
+<!-- $Revision: 1.7 $ -->
 <!-- splitted from ./en/functions/uodbc.xml, last change in rev 1.3 -->
 <refentry xml:id="function.odbc-procedures" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -11,7 +11,11 @@
   <methodsynopsis>
    <type>resource</type><methodname>odbc_procedures</methodname>
    <methodparam><type>resource</type><parameter>connection_id</parameter></methodparam>
-   <methodparam choice="opt"><type>string</type><parameter>qualifier</parameter></methodparam>
+  </methodsynopsis>
+  <methodsynopsis>
+   <type>resource</type><methodname>odbc_procedures</methodname>
+   <methodparam><type>resource</type><parameter>connection_id</parameter></methodparam>
+   <methodparam><type>string</type><parameter>qualifier</parameter></methodparam>
    <methodparam><type>string</type><parameter>owner</parameter></methodparam>
    <methodparam><type>string</type><parameter>name</parameter></methodparam>
   </methodsynopsis>