diff --git a/reference/calendar/constants.xml b/reference/calendar/constants.xml
index 6104a1ab9a..0ea91ad29a 100644
--- a/reference/calendar/constants.xml
+++ b/reference/calendar/constants.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.1 $ -->
+<!-- $Revision: 1.2 $ -->
 <section id="calendar.constants">
  &reftitle.constants;
  &extension.constants;
@@ -155,6 +155,55 @@
    <listitem>
     <simpara>
      
+    </simpara>
+   </listitem>
+  </varlistentry>
+ </variablelist>
+ <para>
+  The following constants are available since <literal>PHP</literal> 4.3.0 :
+ </para>
+ <variablelist>
+  <varlistentry>
+   <term>
+    <constant>CAL_EASTER_DEFAULT</constant> 
+    (<link linkend="language.types.integer">integer</link>)
+   </term>
+   <listitem>
+    <simpara>
+     
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry>
+   <term>
+    <constant>CAL_EASTER_ROMAN</constant> 
+    (<link linkend="language.types.integer">integer</link>)
+   </term>
+   <listitem>
+    <simpara>
+     
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry>
+   <term>
+    <constant>CAL_EASTER_ALWAYS_GREGORIAN</constant> 
+    (<link linkend="language.types.integer">integer</link>)
+   </term>
+   <listitem>
+    <simpara>
+     
+    </simpara>
+   </listitem>
+  </varlistentry>
+  <varlistentry>
+   <term>
+    <constant>CAL_EASTER_ALWAYS_JULIAN</constant> 
+    (<link linkend="language.types.integer">integer</link>)
+   </term>
+   <listitem>
+    <simpara>
+     
     </simpara>
    </listitem>
   </varlistentry>
diff --git a/reference/calendar/functions/easter-date.xml b/reference/calendar/functions/easter-date.xml
index ddabd0c4af..d16b728385 100644
--- a/reference/calendar/functions/easter-date.xml
+++ b/reference/calendar/functions/easter-date.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
 <!-- splitted from ./en/functions/calendar.xml, last change in rev 1.2 -->
   <refentry id="function.easter-date">
    <refnamediv>
@@ -12,12 +12,16 @@
     <title>Description</title>
      <methodsynopsis>
       <type>int</type><methodname>easter_date</methodname>
-      <methodparam><type>int</type><parameter>year</parameter></methodparam>
+      <methodparam choice="opt"><type>int</type><parameter>year</parameter></methodparam>
      </methodsynopsis>
     <para>
      Returns the UNIX timestamp corresponding to midnight on Easter of
-     the given year.  If no year is specified, the current year is
-     assumed.
+     the given year.
+    </para>
+    <para>
+     Since <literal>PHP</literal> 4.3.0, the <parameter>year</parameter>
+     parameter is optional and defaults to the current year according to the
+     localtime if ommited.
     </para>
     <para>
      <emphasis>Warning:</emphasis> This function will generate
diff --git a/reference/calendar/functions/easter-days.xml b/reference/calendar/functions/easter-days.xml
index 8955439b65..17c2d71849 100644
--- a/reference/calendar/functions/easter-days.xml
+++ b/reference/calendar/functions/easter-days.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
 <!-- splitted from ./en/functions/calendar.xml, last change in rev 1.2 -->
   <refentry id="function.easter-days">
    <refnamediv>
@@ -13,13 +13,27 @@
     <title>Description</title>
      <methodsynopsis>
       <type>int</type><methodname>easter_days</methodname>
-      <methodparam><type>int</type><parameter>year</parameter></methodparam>
+      <methodparam choice="opt"><type>int</type><parameter>year</parameter></methodparam>
+      <methodparam choice="opt"><type>int</type><parameter>method</parameter></methodparam>
      </methodsynopsis>
     <para>
      Returns the number of days after March 21 on which Easter falls
-     for a given year.  If no year is specified, the current year is
+     for a given year. If no year is specified, the current year is
      assumed.
     </para>
+    <para>
+     Since <literal>PHP</literal> 4.3.0, the <parameter>year</parameter>
+     parameter is optional and defaults to the current year according to the
+     localtime if ommited.
+    </para>
+    <para>
+     The <parameter>method</parameter> parameter was also introduced in
+     <literal>PHP</literal> 4.3.0 and allows to calculate easter dates based
+     on the Gregorian calendar during the years 1582 - 1752 when set to
+     <constant>CAL_EASTER_ROMAN</constant>. See the <link
+     linkend="calendar.constants">calendar constants</link> for more valid
+     constants.
+    </para>
     <para>
      This function can be used instead of
      <function>easter_date</function> to calculate Easter for years