alaric@fear:~/tmp/henrietta-cache$ henrietta-cache  -e https://code.call-cc.org/svn/chicken-eggs/release/4/egg-locations

Error: bad argument type - not a structure of the required type
#<unspecified>
request

        Call history:

        uri-generic#uri-port      
        uri-generic#uri-scheme    
        alist-ref         
        write     
        get-output-string         
        uri-common#uri-port       
        uri-generic#uri-port      
        uri-generic#uri-scheme    
        alist-ref         
        uri-common#uri-port       
        uri-generic#uri-port      
        uri-generic#uri-scheme    
        alist-ref         
        uri-common#uri-host       
        uri-common#uri-host       
        raise           <--