- The newest lexical space out-of a symbol area is actually a low-empty set of Unicode reputation chain.
- Brand new identifier away from an icon area try a series out of Unicode letters you to means a total IRI [RFC-3987].
- Different icon areas you should never show an identical identifier.
To simplify the language, we will often use symbol space identifiers to refer to the actual symbol spaces (for instance, we may use „symbol space xs:string“ instead of „symbol space identified by xs:string„).