Getting Extra space while converting to Text using XSL

Hi ALl,
I am giving Text in my XSL in <fo:block> and doing that XSLT to generate
Text file. But its giving extra space in between the words.
This is also not consistent between all words. How to over come this
problem? Below is formatting file which I am using.
I have posted this earlier but its not coming in list.
Thanks 
Leena 
leena.s@xxxxxxxxxxxxxxxxxxx

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:fo="http://www.w3.org/1999/XSL/Format"
    version='1.0'>
<xsl:output method="text" indent="no"/>
    <xsl:template match="DocGenJob">
        <fo:root>
            <fo:layout-master-set>
                 <fo:simple-page-master master-name="mainPage"
                     page-height="300mm" page-width="20cm">
                 
                     <fo:region-body region-name="xsl-region-body"
text-align="start"/>
                     <fo:region-before region-name="xsl-region-before"
extent="20mm"/>
                     <fo:region-after region-name="xsl-region-after"
extent="20mm"/>
                 </fo:simple-page-master>
             </fo:layout-master-set>

             <fo:page-sequence master-reference="mainPage">
             <fo:static-content flow-name="xsl-region-before">
  		  <fo:block text-align="right">
		    page  <fo:page-number/> of <fo:page-number-citation
ref-id="content_terminator"/>
	    </fo:block>
	  </fo:static-content>
  
		<fo:flow  flow-name="xsl-region-body" text-align="start">
			 <fo:block>&#xA0;</fo:block>. 
			<fo:block text-align="start" space-before="6pt">
			<xsl:text>Testing the data for Exta spaces
</xsl:text>
			</fo:block>

                     <fo:block id="content_terminator"/>    
                   </fo:flow>
             </fo:page-sequence>

        </fo:root>
    </xsl:template>
</xsl:stylesheet>
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