::= [0-9] ::= [0-9a-zA-Z+-.] ::= [0-9a-f] ::= | ::= | ::= | ::= [[[ "/" ] "/" ] "/" ] ::= "|" | ::= ::= ::= ::= '"' '"' -- IA5 -- For chars not in this -- string use hex | "#" -- US GOSIP | "'" "'H" -- Hex | "" -- Empty but present ::= "NS" "+" -- Concrete Binary Representation -- This is the compact encoding | "+" [ "+" ] ::= | "d" -- Abstract Decimal | "x" -- Abstract Binary | "l" -- IA5: local form only | "RFC-1006" "+" "+" [ "+" [ "+" ]] | "X.25(80)" "+" "+" [ "+" "+" ] | "ECMA-117-Binary" "+" "+" "+" | "ECMA-117-Decimal" "+" "+" "+" ::= ::= "X121" | "DCC" | "TELEX" | "PSTN" | "ISDN" | "ICD" | "LOCAL" ::= ::= -- dotted decimal form (e.g., 10.0.0.6) -- or domain (e.g., twg.com) ::= ::= ::= ::= "CUDF" | "PID"