bnf

<string> ::= <quoted_string>
	    |<unquoted_string>
	    |<host_name_string>
            |<key>
  
<conf> ::= <global_conf> <host_confs>

<global_conf> :: =  global  "{"  <key_value_pairs>  "}"  ";"
	           |global  "{"  <key_value_pairs>  "}"
<host_confs> ::= empty| <host_confs>  <host_conf>
<host_conf> ::= host  <host_name>  "{"  <key_value_pairs> "}" ";" 
	       |host  <host_name>  "{"  <key_value_pairs> "}"

<key_value_pairs> ::= /* empty */
		      | <key_value> "\n"
		      | <key_value_pairs> <key_value> "\n"

<key_value> ::= <key> "="  <int>   
	       |<key> "=" <float>  
	       |<key> "=" <string> 

<host_name> ::= <host_name_string>
	        |<key>


Token Type
<key> = [_\-a-zA-Z][[:ascii:]]*
<int> ::= [0-9]+
<float> ::= [0-9]+\.[0-9]+ 
<quoted_string> ::= ".*"
<unquoted_string> =  [a-zA-Z_][a-zA-Z0-9\.\-_\\/]+
<host_name_string> = [a-zA-Z0-9\.\-_]+
=
}
{
;