diff --git a/reference/hwapi/reference.xml b/reference/hwapi/reference.xml
index 5339521378..9d66038c2f 100644
--- a/reference/hwapi/reference.xml
+++ b/reference/hwapi/reference.xml
@@ -7,7 +7,8 @@
    <section id="hwapi-intro">
     <title>Introduction</title>
     <para>
-     <productname>Hyperwave</productname> has been developed at <ulink url="&url.iicm;">IICM</ulink> in Graz. It started with
+     <productname>Hyperwave</productname> has been developed at 
+     <ulink url="&url.iicm;">IICM</ulink> in Graz. It started with
      the name <acronym>Hyper-G</acronym> and changed to Hyperwave when
      it was commercialised (If I remember properly it was in 1996).
     </para>
@@ -50,33 +51,33 @@
       <listitem>
        <simpara>
         <classname>HW_API</classname>
-	      </simpara>
-	     </listitem>
+          </simpara>
+         </listitem>
       <listitem>
        <simpara>
         <classname>HW_API_Object</classname>
-	      </simpara>
-	     </listitem>
+          </simpara>
+         </listitem>
       <listitem>
        <simpara>
         <classname>HW_API_Attribute</classname>
-	      </simpara>
-	     </listitem>
+          </simpara>
+         </listitem>
       <listitem>
        <simpara>
         <classname>HW_API_Error</classname>
-	      </simpara>
-	     </listitem>
+          </simpara>
+         </listitem>
       <listitem>
        <simpara>
         <classname>HW_API_Content</classname>
-	      </simpara>
-	     </listitem>
+          </simpara>
+         </listitem>
       <listitem>
        <simpara>
         <classname>HW_API_Reason</classname>
-	      </simpara>
-	     </listitem>
+          </simpara>
+         </listitem>
      </itemizedlist>
      Some basic classes like <classname>HW_API_String</classname>,
      <classname>HW_API_String_Array</classname>, etc., which exist in the
@@ -97,50 +98,50 @@
        <simpara>
         <classname>objectIdentifier</classname> The name or id of an object,
         e.g. "rootcollection", "0x873A8768 0x00000002".
-	      </simpara>
-	     </listitem>
+          </simpara>
+         </listitem>
       <listitem>
        <simpara>
         <classname>parentIdentifier</classname> The name or id of an object
         which is considered to be a parent.
-	      </simpara>
-	     </listitem>
+          </simpara>
+         </listitem>
       <listitem>
        <simpara>
         <classname>object</classname> An instance of class HW_API_Object.
-	      </simpara>
-	     </listitem>
+          </simpara>
+         </listitem>
       <listitem>
        <simpara>
         <classname>parameters</classname> An instance of class HW_API_Object.
-	      </simpara>
-	     </listitem>
+          </simpara>
+         </listitem>
       <listitem>
        <simpara>
         <classname>version</classname> The version of an object.
-	      </simpara>
-	     </listitem>
+          </simpara>
+         </listitem>
       <listitem>
        <simpara>
         <classname>mode</classname> An integer value determine the way an
         operation is executed.
-	      </simpara>
-	     </listitem>
+          </simpara>
+         </listitem>
       <listitem>
        <simpara>
         <classname>attributeSelector</classname> Any array of strings, each
         containing a name of an attribute. This is used if you retrieve the
         object record and want to include certain attributes.
-	      </simpara>
-	     </listitem>
+          </simpara>
+         </listitem>
       <listitem>
        <simpara>
         <classname>objectQuery</classname> A query to select certain object
         out of a list of objects. This is used to reduce the number of objects
         which was delivered by a function like
         <function>hw_api->children</function> or <function>hw_api->find</function>.
-	      </simpara>
-	     </listitem>
+          </simpara>
+         </listitem>
      </itemizedlist>
     </para>
    </section>
diff --git a/reference/mcal/reference.xml b/reference/mcal/reference.xml
index 56a69e833c..963b99ae70 100644
--- a/reference/mcal/reference.xml
+++ b/reference/mcal/reference.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
  <reference id="ref.mcal">
   <title>MCAL functions</title>
   <titleabbrev>MCAL</titleabbrev>
@@ -43,82 +43,82 @@
         MCAL_SUNDAY
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_MONDAY
+        MCAL_MONDAY
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_TUESDAY
+        MCAL_TUESDAY
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_WEDNESDAY
+        MCAL_WEDNESDAY
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_THURSDAY
+        MCAL_THURSDAY
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_FRIDAY
+        MCAL_FRIDAY
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_SATURDAY
+        MCAL_SATURDAY
       </simpara></listitem>
      </itemizedlist>
     For recurrence :
      <itemizedlist>
       <listitem><simpara>
-	    MCAL_RECUR_NONE
+        MCAL_RECUR_NONE
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_RECUR_DAILY
+        MCAL_RECUR_DAILY
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_RECUR_WEEKLY
+        MCAL_RECUR_WEEKLY
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_RECUR_MONTHLY_MDAY
+        MCAL_RECUR_MONTHLY_MDAY
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_RECUR_MONTHLY_WDAY
+        MCAL_RECUR_MONTHLY_WDAY
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_RECUR_YEARLY
+        MCAL_RECUR_YEARLY
       </simpara></listitem>
      </itemizedlist>
     For months : 
      <itemizedlist>
       <listitem><simpara>
-	    MCAL_JANUARY
+        MCAL_JANUARY
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_FEBRUARY
+        MCAL_FEBRUARY
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_MARCH
+        MCAL_MARCH
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_APRIL
+        MCAL_APRIL
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_MAY
+        MCAL_MAY
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_JUNE
+        MCAL_JUNE
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_JULY
+        MCAL_JULY
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_AUGUST
+        MCAL_AUGUST
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_SEPTEMBER
+        MCAL_SEPTEMBER
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_OCTOBER
+        MCAL_OCTOBER
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_NOVEMBER
+        MCAL_NOVEMBER
       </simpara></listitem>
       <listitem><simpara>
-	    MCAL_DECEMBER
+        MCAL_DECEMBER
       </simpara></listitem>
      </itemizedlist>
     Most of the functions use an internal event structure that is