xprint: docs - removed trailing spaces

src/modules/xprint/doc/api.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" 
+<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
    "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <section id="xprint.api" xmlns:xi="http://www.w3.org/2001/XInclude">
@@ -69,7 +69,7 @@
 		This function is able to identify regular expression back references,
 		for example \1, \2, \3... When a back reference is found the callback
 		function is called that is supposed to farther parse the back reference
-		and fill in the xl_elog structure. 
+		and fill in the xl_elog structure.
 	    </para>
 	    <para>Meaning of the parameters is as follows:</para>
 	    <itemizedlist>

src/modules/xprint/doc/functions.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" 
+<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
    "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <section id="xprint.functions" xmlns:xi="http://www.w3.org/2001/XInclude">
@@ -7,7 +7,7 @@
     </sectioninfo>
 
     <title>Functions</title>
-    
+
     <section id="xprint.xplog">
 	<title>
 	    <function>xplog(level, format)</function>
@@ -62,7 +62,7 @@
 		</para>
 	    </listitem>
 	    <listitem>
-		<para><emphasis>format</emphasis> - The formatted string to be printed. 
+		<para><emphasis>format</emphasis> - The formatted string to be printed.
 		</para>
 	    </listitem>
 	</itemizedlist>
@@ -77,7 +77,7 @@ xplog("L_ERR", "time [%Tf] method <%rm> r-uri <%ru> 2nd via <%{via[1]}>\n");
 	    </programlisting>
 	</example>
     </section>
-    
+
     <section id="xprint.xpdbg">
 	<title>
 	    <function>xpdbg(format)</function>

src/modules/xprint/doc/params.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" 
+<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
    "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <section id="xprint.parameters" xmlns:xi="http://www.w3.org/2001/XInclude">

src/modules/xprint/doc/xprint.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" 
+<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
    "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <book id="xprint" xmlns:xi="http://www.w3.org/2001/XInclude">
@@ -82,7 +82,7 @@
 		    %Cxy : color printing based on escape sequences (x - foreground
 			color, y - background color). The values for colors: x - default
 			color of the terminal; s - Black; r - Red; g - Green; y - Yellow;
-			b - Blue; p - Purple; c - Cyan; w - White 
+			b - Blue; p - Purple; c - Cyan; w - White
 		</para>
 	    </listitem>
 	    <listitem>
@@ -198,7 +198,7 @@
 	    </listitem>
 	    <listitem>
 		<para>
-		    %si : IP source address 
+		    %si : IP source address
 		</para>
 	    </listitem>
 	    <listitem>