Sounds like you want to use CDATA declarations:

<![CDATA[chr(2)]]> 

Might be a good idea to put entire code sections inside CDATA:

<![CDATA[
IF substring(PostingParameters.UserName,1,1) = char(2) 
	-- then it's an ID of a field and I will use value of that field
	-- to log in
ELSE
	-- its a constant
]]> 

On Fri, Mar 29, 2002 at 07:41:44PM +0100, Jenda Krynicky wrote:
>  I'm using XML files to replicate some settings and other stuff 
>  between several servers (thanks for your previous help!). Everything 
>  is cool except one thing.
>  
>  I use character with code 2 as a separator or marker on several 
>  places in the database. Things like
>  	IF substring(PostingParameters.UserName,1,1) = char(2) 
>  		-- then it's an ID of a field and I will use value of that field
>  		-- to log in
>  	ELSE
>  		-- its a constant
>  
>  or
>  	(from ASP) ... conn.SetPostingParameters(..., _
>  		CSVSeparator & chr(2) & CSVQuote _
>  		& chr(2) & CSVEscape, ...
>  
>  the problem is that if I write a string containing a chr(2) into an XML 
>  file, XMP::Parser (used via XML::Simple) will refuse to parse the file 
>  with 
>  
>  	not well-formed at line ...
>  
>  error message. So I've replaced the char(2)s with &#2; in the 
>  generated XML. Still no success, it gives
>  
>  	reference to invalid character number at line ...
>  
>  error message.
>  
>  Is there any way to "properly" escape such a character so that it 
>  would be accepted by XML::Parser?
>  
>  And if not what character would you recomend to be used 
>  (escaped if necessary) to make XML::Parser happy, but still being 
>  reasonably safe that it will not be mistaken for "normal" data.
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