On further investigation, after closing gretl and starting again, 
when I go File/Function files/On local machine I get the following 
error message - "XmlParseFile failed on ...\sfa_mod.gfn".  So it 
seems that the problem lies in the creation of the xml code for gfn 
function package.
Gordon
    
    
    
 
                    
                    
                        
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