char replacement

Hellolinefeed

I am trying to write a stylesheet that could replace all the carriage return 
(CR) characters (Unicode 'xD') in the text() node of an element with 
something else.
Let's put it simple ! I have an element named 'screen' with some text within 
and I'd wish to put something like ~\\ at the end of each line (LaTeXing 
isn't it ?):
<screen>
agdh djdjdkk
whjjd kdopd
shdm gfjkmd
hdjdj kkdddl
</screen>

should become :


agdh djdjdkk~\\
whjjd kdopd~\\
shdm gfjkmd~\\
hdjdj kkdddl~\\

I wrote a stylesheet like this :
(the output method is 'text')

<xsl:template match="screen">
    <xsl:variable name="texto"><xsl:value-of 
select="substring-before(.,xD)"/></xsl:variable>
  <xsl:value-of select="concat($texto,'~\\')"/>
</xsl:template>

That works for the first 'xD' appearing but I can't find how to make it work 
recursively for the whole content of the 'screen' text. (XSLT is not the best 
thing to make strings replacements, I guess ;-) ) 

Could anyone help ?

Cheers 

Phil


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