A nonce may be used to ensure security for a stream cipher. The suffix is often humorously appended to other English words to create nonce words. Salts are closely related to the concept of a cryptographic nonce. The RFC encodes the tag length into the internally formatted nonce. Some authors define pseudo-randomness (or unpredictability) as a requirement for a nonce. The symbols also have nonce names in the Unicode standard. The server should remember nonce values that it has recently generated. It is similar in spirit to a nonce word, hence the name. For example, creating a nonce in some protocols needs only uniqueness. It is one of two Steve Miller Band songs that feature the nonce word "pompatus". Verbification is sometimes used to create nonce words or joking words. This implies that the Nonce is the site of that event. Ofcom received complaints after the scene where Thelma refers to Jay as a "ginger nonce". Nonce words ending in "-ed" ('provided with') may produce other potentially refractory masculine rhymes. They are termed ""nonce orders"" by analogy to "nonce words"; several examples follow below.